

View attachment 326210View attachment 326211
Forgive the yellowness, I use a bug light as my "main" light in the darkroom and leave only the red lights on when I'm not doing alt processes that can handle the yellow. There's no "proper" light source in the room anywhere haha.
First shot is the head. It leans hard into the "Borg" aesthetic. From bottom to top you can see the bellows, the head itself (black 3D printed bit sitting on top of the top bellows), then a big ol' heatsink, and finally the power supply unit on top of that. It uses 256 neopixel LEDs and a diffuser plate cannibalized from a Zone VI cold light head.
Second picture is the custom control panel. It runs on a Pico RP2040 microcontroller that I programmed in CircuitPython. The cord coming into the top is power from the power supply as well as data out for actually controlling the lights. The cord on the bottom goes to my foot pedal. Buttons are for controlling exposure time (in minutes, seconds, stops, or 1/12 stops), the two on the right are for activating compose/focus mode (all LEDs at 100% brightness on R, G, and B channels), and the far right button is the same as the foot pedal, just a "start exposure" button. Top knob controls contrast grade in 1/2 grade increments from 00 to 5. Bottom knob control "neutral density" (really just selective dimming of LEDs) in 1/3 stops from 0 to 5 stops.
It was a really fun project to put together, and it's a real joy to use. So much easier than messing around with that heavy condenser head and giant filters in and out of the tray.

Durst 138G and Omega D3
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View attachment 326210View attachment 326211
Forgive the yellowness, I use a bug light as my "main" light in the darkroom and leave only the red lights on when I'm not doing alt processes that can handle the yellow. There's no "proper" light source in the room anywhere haha.
First shot is the head. It leans hard into the "Borg" aesthetic. From bottom to top you can see the bellows, the head itself (black 3D printed bit sitting on top of the top bellows), then a big ol' heatsink, and finally the power supply unit on top of that. It uses 256 neopixel LEDs and a diffuser plate cannibalized from a Zone VI cold light head.
Second picture is the custom control panel. It runs on a Pico RP2040 microcontroller that I programmed in CircuitPython. The cord coming into the top is power from the power supply as well as data out for actually controlling the lights. The cord on the bottom goes to my foot pedal. Buttons are for controlling exposure time (in minutes, seconds, stops, or 1/12 stops), the two on the right are for activating compose/focus mode (all LEDs at 100% brightness on R, G, and B channels), and the far right button is the same as the foot pedal, just a "start exposure" button. Top knob controls contrast grade in 1/2 grade increments from 00 to 5. Bottom knob control "neutral density" (really just selective dimming of LEDs) in 1/3 stops from 0 to 5 stops.
It was a really fun project to put together, and it's a real joy to use. So much easier than messing around with that heavy condenser head and giant filters in and out of the tray.
Nice work.
This is the kind of electronics that manufacturers of enlargers would have offered had digital not halted their engineering. For example, you have a knob that sets grade -- that's a big step forward from the dinosaur technology of a tungsten bulb plus contrast-filters.
Mark
There's a fellow from Denmark that sells 8x10 conversion kits. I put one on my Durst Laborator 138. Not only does it give me the ability to enlarge 8x10 but converts the enlarger to LED. I am probably going to buy an Intrepid 4x5 enlarger and use it to replace the dichro head on my Laborator 1000. A Heiland LED head is $1500 for the L1000. I guess what I am saying is I am not sure you have to build your own anymore. The 8x10 Conversion kit cost $800. The Intrepid light source is under $500. I am impressed by anyone who can build their own! Some of these bulbs (like those for the L138) are rare as hen's teeth and cost more than the whole shebang from Intrepid. We need to support these boutique businesses; they have been wonderful supporting our hobby.
Another thing common to a lot of impoverished Europeans. At least, I have daughter rubbish, but not in my darkroom. That's sacred.Wish my daughter would clear enough rubbish out of my "darkroom" to enable me to use it.
A Focomat 2c and a Meopta Opemus 6 with diffuser head.
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I love your space! I would like to learn more about your Focomat!
Saunders LPL 4550 XLG
For large format I have two Omega D5500 and a Durst. For smaller format I have a Philips PCS150 and Minolta Mod III.
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- Omega ProLab rigged for 20x24in from 120neg
- Omega D6 rigged for 20x24in from 4x5neg
- Omega D2 rigged for 11x14in
- Focomat 1c for small prints.
- UV burner on the right which needs to find a new home.
De Vere 108s
De Vere 504
Focomat 2c
Welcome to the forum.
Interesting that you have the 108s and the 504 DeVere enlargers, commercial enterprise?
I have a DeVere freestanding 504.
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