A minor watchword for C41 processing

Recent Classifieds

Forum statistics

Threads
179,438
Messages
2,470,429
Members
94,814
Latest member
Anthony_
Recent bookmarks
0

David Lyga

Council
Joined
Nov 25, 2007
Messages
3,410
Location
Philadelphia
Shooter
35mm
I have said this before, years ago, and it is so important that it needs re-iteration.

When unloading C41 color film for processing make absolutely certain that your AC power strip is NOT emitting red light. This seemingly innocuous red light (which does not seem to light up much) is peril to your film. You will end up with 'underexposed' negatives, extremely low contrast, and, after processing, a tell tale greenish/cyan cast on the base.

Even I, with much experience with this, make the occasional error and think that it is due to contamination. I have proved, again and again, that the culprit is that damn light and I have forever banished it by taping electrician tape over that sorry lumenence. Take heed.

C41 color film has an insane attraction for being ruined by that red light. - David Lyga
 

Rudeofus

Subscriber
Joined
Aug 13, 2009
Messages
4,524
Location
EU
Shooter
Medium Format
Many experienced darkroom workers tend to ignore red light, which will give nasty surprises in case of panchromatic or color film. BTW the effect you described as underexposure ("where did my shadows go?") is actually fogging, not underexposure.
 
OP
OP
David Lyga

David Lyga

Council
Joined
Nov 25, 2007
Messages
3,410
Location
Philadelphia
Shooter
35mm
Yes, of course it is not underexposure but it has the same effect. With B&W pan film the utter disaster is not as intense. But with color film, beware at all times. - David Lyga
 
Photrio.com contains affiliate links to products. We may receive a commission for purchases made through these links.
To read our full affiliate disclosure statement please click Here.

PHOTRIO PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Ilford ADOX Freestyle Photographic Stearman Press Weldon Color Lab
Top Bottom