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RA-4 Printing a Color Film Trichrome

Joined
Jul 8, 2025
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8
Location
New York
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Medium Format
Following up on my earlier thread about shooting trichromes directly onto color film, I've now printed one of those frames in RA-4.

One reason I mentioned for keeping the process fully analog was preserving the option for optical prints. I finally tested that with this shot of the green wave separation.

Setup is a Beseler Dichro 67S2 in a closet, Kodak Endura Premier in Lustre. For temperature control, I've been using a buffet-style food warming tray under a flat-bottom chemistry tray. It holds 100°F surprisingly well, with 50-second dev times. Final print settings: 7.5 sec at f/11, M90 Y40, 80mm lens, 11×14.

The colors came out more muted than my scan, which I actually prefer - the scan was probably pushed too hard. The green separation in the wave and the shifts in the rocks all came through, and grain is invisible at this size.



Put together a video walking through the process as well, if anyone is curious:


If anyone here has printed trichromes optically, from color or B&W separations, I'd be curious how you approached filtration. This was my first time printing something this spectrally unusual, so I mostly just dialed it in by eye.
 

koraks

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Nov 29, 2018
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I think it's very cool you proceeded to print this and I think the result is quite compelling. The print puts it into a whole new perspective IMO. Well done!
 
OP
OP
Joined
Jul 8, 2025
Messages
8
Location
New York
Format
Medium Format
Thanks, really appreciate it! I definitely agree, the print gives it a completely different presence. Plus, getting it on the wall afterward is a great payoff.
 

loccdor

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Great result. I subscribed.