Developing a frame or two in HC-110
Old 02-03-2019   #1
lizard
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Question Developing a frame or two in HC-110

Hi folks;
I will try to make a pinhole camera. They will be so small that i can only fit one frame of film inside.

I made a research but found nothing. Does anyone has any idea about how to develop just one frame of black & white film in HC 110?

My idea is to prepare just 100 or 200 ml of HC 110 Dil H and put the frame inside the tank. Than develop as if it's a roll.
Still I'm not sure about the developing time and agitation.
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Old 02-03-2019   #2
retinax
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I've been wondering about similar things. I was thinking about how neat it would be to use short bits of film for testing cameras/lenses as well as exposure/development. But for the latter, I think that development would be different from a whole roll because a) hardly any chemical change in the developer and b) the movement of liquid with the same agitation would be different in a mostly empty tank.
But as your goal isn't transferring results to whole rolls, I'd say start the experiments with a bit shorter dev time than you would for a whole roll, maybe 10-20% less.
If you really want to develop just one frame at a time, you could try to do it in a film canister in the dark, in that case the ratio of developer/film surface might be similar to normal roll in tank, so normal time? Just be sure to leave some air in it for agitation.
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