Cable Gland for ProcessMaster II - allows a waterproof seal when sensor cable is passed through developing tank lids

Foot switch with 1.7m cable

2 meters of black 2 core cable fitted with 2.5mm mono jack plug
Base fitted with neoprene pad
Silver contacts, momentry action
 

for additional enlarger or safelight

Free when purchasing Stopclock Pro and Zonemaster II together.

Retractable,up to 80cm.

Black and White Enlarging Meter / Timer with Grey Scale Display and built-in Densitometer function

Banish the Test Strip!

This highly-acclaimed enlarging meter-timer combo features our patented grey scale print tone indicator which shows you the tonal range of the print, so you can place important tones and preview the look of the print without the need for endless test strips. Includes a spot-metering probe with densitometer function, a wide range (1 - 240 secs) heavy-duty (750W) timer which can work in intervals of 1/2, 1/3, 1/4, 1/6 or 1/12 f-stops, storage for the characteristics of eight different papers, and a clever burn-in feature which takes the guesswork out of printing. The perfect all-in-one solution for making the highest quality black and white prints - and it can be used for colour too!

Our tests (and customers’ experience) with Pyro and other staining developers indicate that the Analyser can be used with stained negatives in just the same way as with conventional developers. The meter will automatically account for the density of the stain.

The latest version features a sensor and measurement subsystem which provides fast response, especially at low light levels, and high stability with changes in temperature and over time. In addition, a Calibration Kit (included) makes calibration faster and easier, and we’ve re-written the User Manual to make it clearer and easier to read. There’s never been a better time to choose an Analyser Pro!

Why the Analyser Pro is different

Enlarging exposure meters often suffer from a number of shortcomings. In many cases, a single reading is taken from a mid-tone area of the negative (or from a diffused image) and exposure based on that reading. This can work quite well but it won’t advise you which paper grade to use.

Enlarging exposure meters which indicate a suggested paper grade do so assuming you want your shadows to be at maximum black and your highlights at paper base white. This isn't always the case, particularly in portraiture work. And if it isn’t the case, then you’re on your own - back to the test strip!

The Analyser Pro is different because it tells you exactly the shade of grey that you will get on a print for any spot measured area of the negative. You can see the effects of changing the paper grade without making a print - the Analyser's display indicates the changes in print tone for each measured spot as you alter the grade setting. You can manually override the Analyser's suggested exposure time in order to produce a lower or higher key print, and see the expected results before committing a piece of paper. You can even make your own grey scale for use with the Analyser using your favourite materials and processing, so that the Analyser's indications will be as close as possible to the final print.

You no longer need to worry about compensating for dry down (the increase in density of a dry print as compared to a wet one) because the display indicates the tone on the final, dry, print. For special cases, fine tuning may be accomplished with the built in automatic test strip generator.

All this adds up to a significant saving of both time and materials, and with paper prices rising this can only be an advantage. Darkroom work is much more enjoyable when your success rate is high!

In common with our acclaimed StopClock range, we have designed the Analyser using industrial grade components for maximum reliability. Gold plated switch contacts, fibreglass printed circuit boards and heavy duty relays mean that it should last a lifetime, so we confidently offer a two year parts and labour guarantee. In addition, the Analyser comes with a fourteen day money back guarantee of satisfaction, so why not try one for yourself?

Analyser Pro Features

• Up to eight spot readings of a negative can be taken and the corresponding tonal value of each on the final print will be displayed on the 15 step grey scale.
• Simple controls (harder, softer, brighter, darker) allow print contrast and brightness to be previewed without the use of test strips or prints - saves time and paper.
• Over and under exposure warnings. 12-stop measurement range.
• Exposure times of 1.0 to 240 seconds are calculated automatically by the Analyser Pro using the metering probe in conjunction with paper grade and built-in calibration settings. Exposure times can be adjusted manually.
• Basic and burn-in exposures are accurate to 1/12th stop maximum resolution and microprocessor controlled to within a hundredth of a second.
• Clever burn-in feature computes and times the difference between an increased exposure time and the basic print exposure. Makes burning-in a breeze! Simply make the basic exposure, increase the exposure time by the desired amount, then press and hold the Print key - the Analyser Pro subtracts the base exposure from the new time and times the result automatically!
• Adjustable calibration caters for your preferences of paper, processing, and enlarger characteristics for every grade of paper from 00 to 5, including half-grades.
• Automatic reciprocity failure compensation.
• Densitometer mode to help refine your film development.
• Eight individual calibration sets for different papers, surfaces, etc. Adjustable calibration caters for your preferences of paper, processing, and enlarger characteristics for every grade of paper from 00 to 5, including half-grades.
• Automatic test strip generation for fine tuning of print exposure; test strips can be generated either as incremental or full exposures.
• Switching capacity of 750 W (500W for 115v versions) handles most enlargers, including cold-cathode types.
• Industrial grade components throughout, including gold-contact switches and heavy duty relays, for maximum reliability.

Video Presentations

Watch these QuickTime videos to learn more about the Analyser. Alternatively, visit Beyond Monochrome to see videos about all our products and explanatory notes.

Analyser Basic Control

Exposure Control

Metering and the Grey Scale

Metering and Manipulation

Changing Paper Type

Darkroom Demonstration

Darkroom Demonstration 2

Making Test Stripe

Introduction to Calibration

User Calibration

Calibration Service

Please note that in these movies, the video recording of the displays gives an appearance of flickering. This is not visible to the naked eye.

Analyser Pro Specification

• Timing accuracy: Better than 1%. Timing repeatability: Better than 0.1%
• Internal measurement resolution: 1/60 stop
• Timing range: 1.0 to 240 seconds per exposure. Timing resolution: 0.01 sec
• Time setting intervals: 1/2, 1/3, 1/4, 1/6 or 1/12 stop; user selectable at any time.
• Automatic Test Strips can be made using the currently set time interval.
• Optional audible seconds tick ("metronome")
• Measurement spot size: 2mm (0.05 inch) approx. Measurement range: twelve stops, with over and under exposure indication. Up to eight spot measurements per exposure
• Calibration: built-in, user adjustable exposure and contrast settings for all grades from 00 to 5 in half grade steps. Eight individual calibration sets.
• Optional delay to accommodate slow-starting enlargers (e.g some Durst and Kaiser stabilised transformers)
• Switching capacity: (230v versions) 750W per outlet, 750W total. (115v versions) 500W per outlet, 500W total
• Display type: Yellow LED, 4 digits for time and paper grade: 15 segment bar graph for grey scale
• Size: Main unit: WHD 200mm x 65mm x 160mm (7.8 x 2.5 x 6.3 inches), Sensor: WHD 80x56x24mm (3.1 x 2.1 x 1 inches) approx. Weight: 2200g approx as shipped
• Accessories supplied: Mains lead,enlarger/safelight connectors, calibration kit, instructions.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Please Note: The Analyser Pro is designed to control enlargers in which the lamp can be switched on and off simply by applying mains power - this covers the great majority of enlargers but excludes some which have closed-loop control systems such as the Durst Autocolor, Fujimoto, etc. A special version is available for the Ilford Multigrade 500 system. We do not support the Ilford Multigrade 400 or 600 systems. If your enlarger is not suitable but you would like the exposure metering functions, consider our ZoneMaster II baseboard exposure meter.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. June 2010

"The built in calibrations may suffice but the wide variety of materials and processes may require additional calibration. While user calibration is possible for some products, Chris Woodhouse also offers a dedicated calibration service for your particular needs. This is available upon request from chris@beyondmonochrome.co.uk for a fee of £20 per paper. This uses the same techniques that were used to develop the original calibrations; in this case it measures a test print that you make with your materials and techniques."

Analyser 500: a version of the Analyser Pro dedicated to the Ilford Multigrade 500 enlarger system and including some unique features

Black and White Enlarging Meter / Timer with Grey Scale Display and built-in Densitometer function
- dedicated to the Ilford Multigrade 500 System

Banish the test strip!

The Analyser 500 is a version of our acclaimed Analyser Pro enlarging meter/timer designed especially to replace the standard control pad of the Ilford Multigrade 500 enlarger head. Connected to the Ilford light source it directly controls exposure time and contrast grade to produce high quality prints without wasting time and paper on making test strips. Please read the Analyser Pro page for a general description of the features and benefits of the Analyser and our unique, patented grey scale display.

Our tests (and customers’ experience) with Pyro and other staining developers indicate that the Analyser can be used with stained negatives in just the same way as with conventional developers. The meter will automatically account for the density of the stain.

The latest version features a new sensor and measurement subsystem which provides much faster response, especially at low light levels, and greater stability with changes in temperature and over time. There’s never been a better time to choose an Analyser 500!

Split-grade printing

The Analyser 500 controls the Ilford light source in a different way to the standard Ilford controller. Instead of varying the relative intensity of the green and blue bulbs to establish contrast grade, two exposures are made, one using the green bulb only and one using the blue bulb only. The relative lengths of each exposure together determine both the total exposure and the contrast grade. Because the characteristics of the Ilford light source are known and consistent, the Analyser 500 requires no initial calibration - you can use it "straight out of the box" - although of course a calibration feature is available for fine tuning and to accommodate different papers and working techniques.

Absolute contrast settings - "Grade 2" is grade 2, whatever paper you use!

A special feature of the Analyser 500 is the contrast grade calibration. Instead of an arbitrary "grade" setting which can give different results with different papers, the Analyser 500's contrast settings are in ISO(R) units. This means that if you change to a different paper, the Analyser adjusts the blue/green exposure ratio so maintaining the same contrast on the new paper. So you can proof on an inexpensive resin-coated paper, confident in the knowledge that when you switch to a high quality paper for the final print the exposure and contrast will be maintained.

Video Presentations

Watch these QuickTime videos to learn more about the Analyser.  Alternatively, visit Beyond Monochrome to see videos about all our products and explanatory notes.

Note that the links below refer to videos about the standard Analyser Pro, these are mostly applicable to the Analyser 500; the final link is specific to the Analyser 500.

• Analyser Basic Controls
• Exposure Control
• Metering and the Grey Scale
• Metering and Manipulation
• Changing Paper Types
• Darkroom Demonstration 1
• Darkroom Demonstration 2
• Analyser 500
• Calibrating the Analyser 500

Please note that in these movies, the video recording of the displays gives an appearance of flickering. This is not visible to the naked eye.

Analyser 500 Features and Specifications

• Timer: 0.1 to 248 seconds, resolution 10ms, f-stop increments of 1/2, 1/3, 1/4, 1/6, 1/12 stop.
• Bulb warm-up delay and paper reciprocity corrections for long exposure times.
• Print, pause, resume functions.
• Burn-in function after initial exposure.
• Test strips: Incremental and separate test strips centred on displayed exposure time.
• Meter: 2mm diameter spot meter with 12 stop measuring range.
• Meter internal resolution is 1/60th stop with exposures calculated to the nearest 1/12th stop.
• Meter probe can be used as a baseboard densitometer with densities up to log.D 2.5.
• Display: 4 digit amber display shows time and grade. Grades are shown in half grade steps (except when adjusting the grade setting which is in 0.1 grade steps), times below 10 seconds are to 0.01sec resolution.
• Greyscale shows 15 print tones from near-white to near-black, effectively covering the ISO(R) range. Up to 8 readings can be shown at the same time.
• Grade Control: Grade selection in steps of 2 ISO(R), equivalent to 1/10th Grade.
• Grade setting alters ratio of blue and green light exposures. Exposure is made by sequential blue and green exposures for maximum creative control. Paper calibrations are in ISO units, enabling fixed grade selection between different papers.
• User Options: Incremental and separate test strips, beeper on/off, display brightness, default paper, default f-stop step-size.
• Calibration: precalibrated for Ilford Multigrade IV RC and FB, Agfa Multicontrast Premium and Classic, and Kodak Polymax V FB papers, more to come. The characteristics of eight different papers can be stored.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Power requirements: the Analyser 500 derives its power from the Ilford Multigrade 500 Transformer unit, no other power supply is required. Hence the same version can be used on both 115v and 230v systems.
• Power Handling: Solid State switching of Ilford 500S transformer; green and blue lamps plus safelight
• Size: Main unit: WHD 200mm x 65mm x 160mm (7.8 x 2.5 x 6.3 inches), Sensor: WHD 80x56x24mm (3.1 x 2.1 x 1 inches) approx. Weight as shipped 1.9kg approx.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Please note:
This version of the Analyser works only with the Ilford Multigrade 500 enlarger system, it cannot be used with other enlarger types including other Ilford Multigrade systems. Our timers cannot be used with Ilford Multigrade 400 or 600 systems. For “conventional” enlargers, choose an Analyser Pro.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. June 2010.

"The built in calibrations may suffice but the wide variety of materials and processes may require additional calibration. While user calibration is possible for some products, Chris Woodhouse also offers a dedicated calibration service for your particular needs. This is available upon request from chris@beyondmonochrome.co.uk for a fee of £20 per paper. This uses the same techniques that were used to develop the original calibrations; in this case it measures a test print that you make with your materials and techniques."

 - allows direct connection to StopClock / Analyser

The PaperFlasher makes it easy to flash and fog photographic materials to control contrast and add tone to otherwise blank areas and can breathe new life into blocked-up highlights on prints. It comprises a tiny, lightweight, electronically stabilised light source and a battery-operated control box and timer. The light source can be mounted on the darkroom ceiling, on the enlarger lensboard, or in any other convenient position using Blu-Tack, double-sided tape, Velcro or similar. The timer is easy to use, and incorporates a novel test-strip generator for quick and accurate determination of the amount of exposure required. The exposure time can range from 1.0 seconds up to 84 seconds, and is microprocessor controlled to one tenth of a second accuracy. Uses for the PaperFlasher are legion - pre- and post-flashing exposures for contrast control, controlled fogging to add tone to blank areas of a print, fogging of print borders, pseudo-solarisation of prints while in the developer (the Sabattier effect), etc. etc. You can view the Users Manual here.

Video Presentation

Watch this QuickTime video to learn more about the PaperFlasher. Alternatively, visit Beyond Monochrome to see videos about all our products and explanatory notes.

• Introduction to the PaperFlasher

PaperFlasher Features

• Makes flashing and fogging easy - no need to remove the negative or use a separate enlarger
• Electronically stabilised light source for repeatable and consistent results
• Light source is small (40x40x20mm, 1.5x1.5x0.8 inches) and lightweight, making it easy to mount almost anywhere
• Battery-operated - inherently safe and portable. Control box size: 105x60x22mm (4.1x2.3x0.9 inches). Socket for optional foot switch.
• Built in timer with a range of 1.0 to 84 seconds
• Accurate and repeatable timing with 0.1 second accuracy
• Test strip generation in 0.1 and 0.5 stop steps for quick and easy determination of exposure
• Filters for intensity and colour control can easily be fitted to the light source
• Single PP3 type battery (included) provides long life and is easily replaceable. Rechargeable types can be used.
• Illuminated tactile switches, splashpoof case.
• Dimensions: Timer: WHD 110x65x28mm (4.3 x 2.5 x 1.1 inches) approx. Weight as shipped 250g approx.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. November 2008

Do you ever have problems maintaining consistent temperatures when processing your film or paper? The ProcessMaster II Compensating Process Timer is the answer!

New model is now in a metal casing

The ProcessMaster II is a fully programmable Process Timer with several unique features. In addition to its eight programmable sequences of nine time steps the ProcessMaster II has a built-in thermometer probe to monitor chemical temperatures during processing and automatically adjust the processing time if the temperature changes. The probe can be placed directly in the developing tank or tray (as shown right, using a Paterson developing tank), or in a water bath, and will monitor the temperature during the process. Should the temperature fall the process time will be increased to compensate. Similarly, if the temperature rises the time will be decreased appropriately.

The ProcessMaster also has a "factorial development" mode for improving consistency when processing black and white prints in trays. This is based on the “Watkins Factor” method in which the time taken for the image to first appear on the paper is multiplied by a factor (the “Watkins Factor”) to determine the total development time. As the developer gradually exhausts during a printing session, optimum developing time increases; this method of timing effectively compensates for that exhaustion and maintains consistency. When the image first starts to appear on the paper, simply press the Start key or the footswitch and the ProcessMaster II instantly calculates the new development time. The factor can be set between 2 and 8; 6 is usually recommended. So for example if the image starts to appear after 20 seconds and the factor is set to 6, the total development time is 20 plus 6x20 or 140 seconds.

Adjustments to development time for Zone System purposes or contrast control are often expressed as a percentage of the normal time - for example “for low contrast subjects increase development time by 10%”. The ProcessMaster makes this easy - at the press of a key the remaining time display changes to show the percentage of the total so far elapsed. If you need to reduce development by 10% say, simply stop the timer when the display reaches “-10%”. An optional “run-on” mode allows the timer to continue to run after the programmed time has elapsed and the display will count up (to a maximum of 100% or double the programmed time) so you can easily add a percentage to the normal time. The display can be switched between percentage and real time whenever the timer is running.

We think all darkroom timers should have a footswitch for hands-free operation, and the ProcessMaster II is no exception! The timer has a pause and resume feature, and timing can be set to pause between steps or to run the whole programme without pausing but with audible prompts at the completion of each step. A big LED display and illuminated keypad mean that unlike most LCD timers, you can use the ProcessMaster in complete darkness.

If you want to use inversion agitation with a hand developing tank, a waterproof cable gland is available as an accessory. Fitting this to the tank lid as shown in the illustration on the right allows the sensor cable to be threaded through the lid and provides a leak-proof seal.

ProcessMaster Features

• Fully programmable sequence timer has eight programmes, each of which can have up to nine time steps.
• Each time step can range from 5 seconds to 2 hours.
• Built-in temperature probe optionally monitors chemical temperatures during processing and automatically adjusts process time to compensate for changes. Please note: this compensation feature is for black and white processes only.
• Large easily-read red LED display with adjustable brightness level.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Optional percentage display allows easy time adjustments, e.g “plus 10 percent” - useful for Zone System adjustments and compensation for developer exhaustion.
• Factorial Print Development mode for increased consistency as developer exhausts.
• Programmed times can be modified "on the fly" for temporary adjustments.
• Audible count-down during the last 10 seconds of each step (optional).
• Any step can be set to continue counting up after the end of the programmed time has expired, with elapsed time displayed in seconds or as a percentage of the programmed time.
• Pause and resume feature, plus your choice of pause-between-steps or continuous timing.
• Power-saving feature switches to stand-by after 30 seconds idle time - this feature can be disabled if desired.
• Powered by a single PP3/MN1602 type battery (included) or from an optional plug-in mains power supply - see the accessories page.
• Splash-proof case and tactile touch sensitive controls for reliability.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Video Presentations

Watch these QuickTime videos to learn more about the ProcessMaster.  Alternatively, visit Beyond Monochrome to see videos about all our products with explanatory notes.

ProcessMaster Basics

Advanced Features

Please note that the flickering visible on the display in these videos is a result of the recording process and is NOT representative of the product - the display looks steady to the eye.

ProcessMaster Specifications

• Eight programmes each of up to nine steps.
• Step length 5 seconds to 120 minutes (2 hours).
• Display type: 0.52" (13.2mm) Red LED, 4 digits.
• Illuminated keypad with low battery indication.
• External temperature probe with a range of 15-30 degrees C.
• Power source: 9v DC from internal PP3 / 6F22 type battery, or from an external power supply.
• Footswitch included.
• Size: WHD 145x85x28mmm (5.7 x 3.3 x 1 inches) approx
• Weight: 500g approx including battery and footswitch

Note on power supplies: The ProcessMaster II is supplied with a battery and can be used anywhere. However, if you prefer to use mains power we can supply UK or European type mains power supplies. For countries which use other mains standards (e.g. the USA) choose our Universal Power Supply (this includes interchangeable plug tops for UK, Schuko and USA standards). Suitable power supplies can also usually be obtained from local electrical retailers. Please see the ProcessMaster II User Manual for more information.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. March 2011.

Mains power supply for ZoneMaster and ProcessMaster, Universal 100-250v, 50-60Hz, plug tops included for UK, European and USA standards

StopClock Professional: the standard version suitable for almost all enlargers which use tungsten or halogen illumination. This includes those which use low-voltage (12v or 24v) bulbs and a transformer.

200-250v 50-60Hz (UK and most other countries)

Easy to use if you’re beginning yet versatile and powerful enough for professional printers, the legendary StopClock Professional really will save you time and paper. Using our F-Stop exposure system in conjunction with a built-in automatic test strip generator and ten exposure memories per channel, you can set up a complete printing sequence quickly and easily, often with reference to just a single test strip! Once the paper’s on the easel and the lights are switched off, making the print becomes a simple matter of pressing the foot switch and shading the relevant areas of the print. No times to remember, no fiddling with timer settings in the dark. The two channels make split-grade printing a breeze, and there’s even a special mode which effectively allows the exposure and contrast of variable contrast paper to be controlled separately. And if the base exposure is changed, the StopClock recalculates all the burn-in exposures to maintain the correct density relationships! A special compensation mode alters exposure times to allow for the effects of “dry-down”, the change in apparent print brightness as the paper dries. It can also be used to compensate for the effects of toning.

StopClock Professional Features

• Base exposure time 1.0 seconds to 240 seconds, in steps of 1/24th to 1/2 f-stop (or of 0.1 or 1.0 seconds in linear time mode). Time is controlled to 0.01 seconds.
• All exposure times are set in coarse and fine steps of actual exposure rather than simple seconds, producing consistent changes on the paper. The fine step size is 1/24th f-stop (approx 2%). The coarse step size can be set to 1/2, 1/3, 1/4, 1/6 or 1/12 of a f-stop. Coarse/fine button toggles between 1/24th and the set coarse time step.
• Nine subsequent exposure times can be programmed, each calculated either relative to the base exposure or the total exposure time thus far. Burn-in exposures are set in steps of 1/12th to 1/2 f-stop. If the base exposure is changed, the burn-in exposures are recalculated to maintain the density relationships.
• Two completely independent channels, each having separate base and burn-in exposure times.
• Split-grade mode, in which exposure can be controlled using one channel while the second can be used to adjust contrast. Equivalent contrast is displayed in steps of 0.1 grade.
• Automatic test strip mode, for quickly producing test strips with 1/12th to 1/2 stop increments either as an incremental exposures or separate complete exposures.
• Exposure Compensation of +/-20% to allow for dry-down or and/or toning with respect to a test print.
• The clear yellow LED display brightness can be set to one of three levels. The display colour has been chosen to be safe for both colour and black and white printing.
• Audible beep at the end of each exposure, and optional seconds tick whilst the enlarger is switched on.
• Rugged steel enclosure and high quality components for reliability. Illuminated control buttons.
• Can be connected to our ZoneMaster for exposure metering.
• Automatic safelight switching; manual (focus) mode; 750 watts (500 watts in 115v versions) switching capacity;A footswitch is available as an optional extra for hands-free operation - see the accessories page
• Exceptionally easy to use! All timing, including switching between channels, can be controlled from the footswitch.

Video Presentations

Watch these QuickTime videos to learn more about the StopClock Professional. Alternatively, visit Beyond Monochrome to see videos about all our products with explanatory notes.

StopClock Basics

Advanced Features

Programming the StopClock

Making Test Strips

Please note that the flickering visible on the display in these videos is a result of the recording process and is NOT representative of the product - the display looks steady to the eye.

StopClock Professional Specification

• Timing accuracy: Better than 1%
• Timing repeatability: Better than 0.1%
• Exposure setting accuracy: Better than 1%; resolution 1/24th stop.
• Timing range: 1.0 to 240 seconds per step, up to ten steps per channel, two channels.
• Timing resolution: 0.01 sec.
• Switching capacity: 750W per outlet, 750W total (230V only; 500W total for 115V version.). Suitable for cold light enlargers.
• Display type: Yellow LED, three levels of dimming, 590nm LEDs are safe for colour as well as b+w papers (Safe except for direct exposure - dimmer than the filtration control lighting on most enlargers)
• Size: WHD 200mm x 65mm x 160mm (7.8 x 2.5 x 6.3 inches)
• Weight: 2200g approx as shipped.
• Input voltage: 200-250V AC 50Hz (100-125V 50/60Hz optional)
• Accessories supplied: Mains lead, enlarger/safelight connectors, instructions.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Please Note: The StopClock Professional is designed to control enlargers in which the lamp can be switched on and off simply by applying mains power - this covers the great majority of enlargers but excludes some which have closed-loop control systems such as the Durst Autocolor, Fujimoto, etc.

A special version is available for the Ilford Multigrade 500 system. We do not support the Ilford Multigrade 400 or 600 systems.

If you use a cold light (or cold cathode) enlarger, consider our StopClock Vario Compensating Timer.

Our policy is one of continuous development, therefore these specifications are subject to change without prior notice. E&OE. June 2010.

StopClock 500: a dedicated version for use with the Ilford Multigrade 500 enlarger system, it directly replaces the Ilford control unit and offers greater flexibility and reliability.

The StopClock 500 is a version of our acclaimed StopClock Professional f-stop enlarger timer designed especially to replace the standard control pad of the Ilford Multigrade 500 enlarger head. Connected to the Ilford light source it directly controls exposure time and contrast grade to produce high quality prints. Please read the StopClock Professional page for a general description of the features and benefits of the StopClock 500, which incorporates almost all the features of the standard StopClock Professional as well as adding contrast control.

Split-grade printing

The StopClock 500 controls the Ilford light source in a different way to the standard Ilford controller. Instead of varying the relative intensity of the green and blue bulbs to establish contrast grade two exposures are made, one using the green bulb only and one using the blue bulb only. The relative lengths of each exposure together determine both the total exposure and the contrast grade. The split-grade exposure technique allows creative dodging and burning in - for example dodge during the green exposure to increase local contrast.

Because the StopClock 500 controls the contrast grade as well as the exposure time, the programmable sequence stores both time and grade, making burning in at different grades easy.

StopClock 500 Features

• Replaces the standard Ilford control keypad and derives its power from the Multigrade 500 Power Supply.
• Base exposure time 1.0 seconds to 240 seconds, in steps of 1/12th to 1/2 f-stop. Time is controlled to 0.01 seconds.
• Exposure times are set in steps of 1/2, 1/3, 1/4, 1/6 or 1/12 of a f-stop. (The fine 1/24 stop step size and linear mode are not available in this model).
• Nine subsequent exposure times can be programmed, each calculated either relative to the base exposure or the total exposure time thus far. Burn-in exposures are set in steps of 1/12th to 1/2 f-stop. If the base exposure changes, the burn-in exposures are recalculated to maintain the density relationships. Each step can have an individual contrast setting.
• Contrast setting via a split-grade exposure system which varies the ratio of green and blue exposures to achieve contrast control. Contrast is set and displayed in steps of 2 ISO(R) units - equivalent to 0.1 grade over the range 00.0 to 5.0.
• Automatic exposure test strip mode, for quickly producing test strips with 1/12th to 1/2 stop increments either as an incremental exposure or separate complete exposures.
• Automatic contrast test strip mode.
• Exposure Compensation of +/-20% to allow for dry-down or and/or toning with respect to a test print.
• The clear yellow LED display brightness can be set to one of three levels. The display colour has been chosen to be safe for both colour and black and white printing.
• Audible beep at the end of each exposure, and optional seconds tick whilst the enlarger is switched on.
• Rugged steel enclosure and high quality components for reliability. Illuminated control buttons.
• Automatic safelight switching via the Ilford power supply; manual (focus) mode;
• Exceptionally easy to use!

StopClock 500 Specification

• Timing accuracy: Better than 1%
• Timing repeatability: Better than 0.1%
• Exposure setting accuracy: Better than 1%; resolution 1/12th stop.
• Timing range: 1.0 to 240 seconds per step, up to ten steps.
• Timing resolution: 0.01 sec.
• Contrast resolution: 0.1 grade - approx 2 ISO(R) units.
• Display type: Yellow LED, three levels of dimming, 590nm LEDs are safe for colour papers (Safe except for direct exposure - dimmer than the filtration control lighting on most enlargers)
• Size: WHD 200mm x 65mm x 160mm (7.8 x 2.5 x 6.3 inches)
• Weight: 1900g approx as shipped.
• Input voltage: uses the Ilford 500 Power Supply
• Accessories supplied:  instructions.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Our policy is one of continuous development, therefore these specifications are subject to change without prior notice. E&OE. November 2008.

Please note: This version of the StopClock works only with the Ilford Multigrade 500 enlarger system, it cannot be used with other enlarger types including other Ilford Multigrade systems. Our timers cannot be used with Ilford Multigrade 400 or 600 systems.

Based on the StopClock Professional this Vario version incorporates a light monitoring system which can compensate for variations in the enlarger’s light output during an exposure. Cold light (or cold cathode) enlargers use one or more fluorescent tubes rather than incandescent bulbs as a light source. As these tubes warm up their light output increases, sometimes very significantly, and this can lead to difficulties in matching the final print to the test strip and inconsistencies between prints made at the same nominal exposure. The StopClock Vario’s light sensor measures the light level continuously and if it increases, the timer speeds up to shorten the exposure time. If the light level decreases, the timer slows down. This maintains the total volume of light, and hence the exposure of the paper, constant. Result - predictable prints!

Two versions are available. For Zone VI cold lights which have a light sensor factory fitted, a connecting cable is included. For other cold lights which don’t have a sensor, we provide a light sensor and cable assembly which you can fit to your lamphouse yourself - full instructions and a fitting kit are included.

The Vario incorporates all the features of the standard Professional model with the exception that it cannot be connected to a ZoneMaster II exposure meter. You can of course use the meter separately and transfer the time manually but please read the note below.

If the light sensor is disconnected, the Vario behaves just like a standard StopClock Professional, meaning that if you have a second enlarger using a standard light source, you can use the Vario with that as well.

StopClock Vario Features

• Base exposure time 1.0 seconds to 240 seconds, in steps of 1/24th to 1/2 f-stop (or of 0.1 or 1.0 seconds in linear time mode). Time is controlled to 0.01 seconds.
• Enlarger light monitoring system adjusts the exposure time automatically to compensate for variations in enlarger light output.
• All exposure times are set in coarse and fine steps. The fine step size is 1/24th f-stop (approx 2%). The coarse step size can be set to 1/2, 1/3, 1/4, 1/6 or 1/12 of a f-stop. Coarse/fine button toggles between 1/24th and the set coarse time step.
• Nine subsequent exposure times can be programmed, each calculated either relative to the base exposure or the total exposure time thus far. Burn-in exposures are set in steps of 1/12th to 1/2 f-stop. If the base exposure changes, the burn-in exposures are recalculated to maintain the density relationships.
• Two completely independent channels, each having separate base and burn-in exposure times.
• Split-grade mode, in which exposure can be controlled using one channel while the second can be used to adjust contrast. Equivalent contrast is displayed in steps of 0.1 grade.
• Automatic test strip mode, for quickly producing test strips with 1/12th to 1/2 stop increments either as an incremental exposure or separate complete exposures.
• Exposure Compensation of +/-20% to allow for dry-down or and/or toning with respect to a test print.
• The clear yellow LED display brightness can be set to one of three levels. The display colour has been chosen to be safe for both colour and black and white printing.
• Audible beep at the end of each exposure, and optional seconds tick whilst the enlarger is switched on.
• Rugged steel enclosure and high quality components for reliability. Illuminated control buttons.
• Automatic safelight switching; manual (focus) mode; 750 watts (500 watts in 115v versions) switching capacity.
• A footswitch is available as an optional extra for hands-free operation - see the accessories page.
• Exceptionally easy to use! All timing, including switching between channels, can be controlled from the footswitch.

Video Presentations

Watch these QuickTime videos to learn more about the StopClock Professional.  Alternatively, visit Beyond Monochrome to see videos about all our products with explanatory notes.

• StopClock Basics

• Advanced Features

• Programming the StopClock

• Making Test Strips

Please note that the flickering visible on the display in these videos is a result of the recording process and is NOT representative of the product - the display looks steady to the eye.

StopClock Vario Specification

• Timing accuracy: Better than 1%
• Timing repeatability: Better than 0.1%
• Exposure setting accuracy: Better than 1%; resolution 1/24th stop.
• Timing range: 1.0 to 240 seconds per step, up to ten steps per channel, two channels.
• Timing resolution: 0.01 sec.
• Switching capacity: 750W per outlet, 750W total (230V only; 500W total for 115V version.). Designed especially for cold light enlargers.
• Display type: Yellow LED, three levels of dimming, 590nm LEDs are safe for colour papers (Safe except for direct exposure - dimmer than the filtration control lighting on most enlargers).
• Size: WHD 200mm x 65mm x 160mm (7.8 x 2.5 x 6.3 inches)
• Weight: 2200g approx as shipped.
• Input voltage: 200-250V AC 50Hz (100-125V 50/60Hz optional)
• Accessories supplied: Mains lead, footswitch, enlarger/safelight connectors, instructions.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Note on the use of exposure meters

Because any changes in light level are compensated for during exposure only, small errors may occur when using an exposure meter with an enlarger controlled by a compensating timer. For best results ensure the enlarger is well warmed up and ensure that the exposure is made as quickly as possible after the measurements are taken.

Our policy is one of continuous development, therefore these specifications are subject to change without prior notice. E&OE. June 2010.

This handy torch (flashlight) comes in two flavours - red LED, bright and safe for black and white papers, and yellow LED (590nm) optimised for colour materials. The b/w version produces a bright beam or safe red light ideal for print inspection during development or for locating that dropped dodging tool! The colour version is useful for general orientation in the darkroom while colour materials are exposed - it should not be used for direct illumination of colour materials although the wavelength of the LED light has been chosen to match the minimum sensitivity of colour papers.

Housed in a small plastic key-fob style enclosure with a cord which can be worn around the neck or wrist, the SafeTorch can be held and operated with one hand. The momentary switch action ensures it cannot be left on accidentally.

The SafeTorch operates on a single 12v alkaline battery (included). Replacements are easily obtainable from retailers or direct from us.

SafeTorch Features and Specification

• Light source: b/w version: red high intensity LED x5; colour version yellow LED x5
• Battery: 12v alkaline type L1028, 23A or equivalent
• Size: 65x38x15mm approx.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. November 2008

For cold light(or cold cathode) enlargers (not Zone VI enlargers)

ZoneMaster II: just the metering functions in a compact battery-operated instrument for use with a separate enlarger timer. It can be connected directly to our StopClock Professional.

New model is now in a metal casing.

Black and White Enlarging Exposure Meter with Grey Scale Display and built-in Densitometer function

Banish the Test Strip!

A baseboard enlarging exposure meter featuring our patented grey scale print tone indicator which shows you the tonal range of the print, so you can place important tones and preview the look of the print without the need for endless test strips. Includes a spot-metering probe with densitometer function, a wide exposure time range (1 - 240 secs) with steps in intervals of 1/3, 1/4, 1/6 or 1/12 f-stops, and storage for the characteristics of eight different papers. All the features of our Analyser Pro for users with an existing timer - or it can be connected to our StopClock Professional for instant transfer of the computed exposure to the timer.

Our tests (and customers’ experience) with Pyro and other staining developers indicate that the ZoneMaster can be used with stained negatives in just the same way as with conventional developers. The meter will automatically account for the density of the stain.

The latest version features a new sensor and measurement subsystem which provides much faster response, especially at low light levels, and greater stability with changes in temperature and over time. In addition, a new Calibration Kit makes calibration faster and easier, and we’ve re-written the User Manual to make it clearer and easier to read. There’s never been a better time to choose an ZoneMaster II!

Why the ZoneMaster II is different

Enlarging exposure meters often suffer from a number of shortcomings. In many cases, a single reading is taken from a mid-tone area of the negative (or from a diffused image) and exposure based on that reading. This can work quite well but it won’t advise you which paper grade to use.

Enlarging exposure meters which indicate a suggested paper grade do so assuming you want your shadows to be at maximum black and your highlights at paper base white. This isn't always the case, particularly in portraiture work. And if it isn’t the case, then you’re on your own - back to the test strip!

The ZoneMaster II is different because it tells you exactly the shade of grey that you will get on a print for any spot measured area of the negative. You can see the effects of changing the paper grade without making a print - the ZoneMaster's display indicates the changes in print tone for each measured spot as you alter the grade setting. You can manually override the ZoneMaster's suggested exposure time in order to produce a lower or higher key print, and see the expected results before committing a piece of paper. You can even make your own grey scale for use with the ZoneMaster using your favourite materials and processing, so that its indications will be as close as possible to the final print. You no longer need to worry about compensating for dry down (the increase in density of a dry print as compared to a wet one) because the display indicates the tone on the final, dry, print.

All this adds up to a significant saving of both time and materials, and with paper prices rising this can only be an advantage. Darkroom work is much more enjoyable when your success rate is high! The ZoneMaster comes with a fourteen day money back guarantee of satisfaction, so why not try one for yourself?

ZoneMaster II plus StopClock Professional, or Analyser Pro?

We are often asked by potential customers whether they should choose the combination of ZoneMaster plus StopClock, or the all-in-one Analyser Pro. The Analyser is more convenient, but its timer is simpler than the StopClock. Our answer to this one is another question - 'what sort of printer are you?' For people who are interested in getting high quality prints with a minimum of effort and material wastage we recommend the Analyser Pro. Those who like to wring the last drop out of the negative by making several exposures, perhaps at different grades, on the same print will prefer the StopClock Professional. They will usually use the ZoneMaster to get a proof print quickly, then work on that to get to the finished print. Fine Art printers typically fall into this category. See the Compare page for full descriptions of the features of various products.

ZoneMaster II Features

• All the metering, control and display functions of the Analyser Pro are included in the ZoneMaster II with the exception of the enlarger / safelight switching.
• Built-in densitometer shows the log.D value of each spot reading relative to the brightest sample, and can be used to assist in refining your film development technique.
• Adjustable calibration caters for your preferences of paper, processing, and enlarger characteristics.
• Quickly determines pre-flashing and fogging exposures for contrast control, plus contact-sheet exposures.
• Can be connected to our StopClock Professional Enlarger Timer for instant setting of required exposure time
• Powered by a single PP3 / MN1604 type battery (included) or from an optional plug-in mains power supply - see the accessories page for details.
• Splash-proof case and illuminated, tactile touch sensitive controls for reliability.
• Supplied with stouffer calibration kit.
• Full two year guarantee, plus 14 day refund if you are not completely satisfied.

Video Presentations

Watch these QuickTime videos to learn more about the ZoneMaster. Alternatively, visit Beyond Monochrome to see videos about all our products and explanatory notes.

• ZoneMaster Basics
•  
•  
• Advanced Features

The operation and principles of the ZoneMaster II are basically the same as the Analyser Pro. You can watch several video presentations on the Analyser Pro on that product’s page here.

Please note that in these movies, the video recording of the displays sometimes gives an appearance of flickering. This is not visible to the naked eye.

ZoneMaster II Specification

• Metering spot size: 2mm diameter approx
• Internal measurement resolution: 1/60 stop
• Timing range: 1.0 to 240 seconds per exposure.
• Time setting intervals: 1/3, 1/4, 1/6 or 1/12 stop; user selectable at any time.
• Times for Test Strips can be displayed using the currently set time interval.
• Calibration: built-in, user adjustable exposure and contrast settings for all grades from 00 to 5 in half grade steps. Eight individual calibration sets.
• Display type: Red LED, 4 digits for time and paper grade: 15 segment bar graph for grey scale
• Illuminated keypad
• Can be connected to the StopClock Professional for full enlarger control.
• Size: Main console: WHD 145x85x28mmm (5.7 x 3.3 x 1 inches) approx. Sensor: WHD 80x56x24mm (3.1 x 2.1 x 1 inches) approx.
• Weight: 500g approx as shipped, including battery.

Our policy is one of continuous development, therefore specifications are subject to change without prior notice. E & OE. June 2010.

"The built in calibrations may suffice but the wide variety of materials and processes may require additional calibration. While user calibration is possible for some products, Chris Woodhouse also offers a dedicated calibration service for your particular needs. This is available upon request from chris@beyondmonochrome.co.uk for a fee of £20 per paper. This uses the same techniques that were used to develop the original calibrations; in this case it measures a test print that you make with your materials and techniques."

Stouffer 21-step (half stop) Sensitivity Guide (step wedge) uncalibrated (as supplied as part of our standard Calibration Kit)

Calibration Kit for Analyser and ZoneMaster ranges.
(user manual not included - download it here)