Spring 2012

Spring 2012
by ani

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1
vote
2answers
43 views

Is it safe to use rodinal or some other developer in the bath tub?

I am thinking of developing film and prints en-masse in a modern ceramic bath tub. Is it safe to use developers like Rodinal assuming the bath tub is going to be used for baths later? Rodinal is ...
6
votes
7answers
190 views

What is the actual color space of film in film photography?

I have been thinking about this question for a while now, and I haven't found an answer online. Modern technology (scanners, screens, digital cameras, printers...) use technical color spaces to ...
4
votes
2answers
96 views

10 months-old Ilford “Rapid Fixer” concentrate, is it still safe?

I have an almost unused 1L bottle of Ilford "Rapid Fixer" that was opened 10 months ago, used, then capped again. Is it still safe to fix B&W films with this? The "instructions" on front state : ...
4
votes
2answers
159 views

What are the effects of developing film with an expired developer?

Developers, fixers, and virtually all chemical products commonly used in film photography (or not) are prone to expiry over time. Nevertheless it is not uncommon to use expired chemicals in the hope ...
2
votes
1answer
74 views

How long does stock liquid developer last?

I have a few bottles of liquid stock-concentration developers. Some are opened and some or not, and they all date from April 2013. How long can I keep unused liquid developer for? After how long won'...
5
votes
2answers
121 views

Mixed D-76 with 3.8 liters instead of 3, is this bad?

I have a question about the water to powder ratio for D-76. The instructions say to start off with 3 liters of water in which you dissolve the powder and then top off to 3.8 liters (or 1 US gallon). ...
1
vote
1answer
97 views

Is it possible to substitute or alter color dyes during color film development?

Lately I've been really interested in film chemistry, particularly the different chemicals that they used -- not only the chemicals present in C-41, ECN-2, etc. processes that are still in use, but ...
5
votes
1answer
193 views

Do powdered chemicals expire?

I was given an OLD bag of D-76 developer made by Kodak. From the looks of it, it looks to be from the 90's or earlier. It is still sealed; however, feeling it there are clumps (probably from settling)...
8
votes
4answers
2k views

Is stop bath necessary for black and white prints?

I got my enlarger and I'm ready to start making prints. For chemicals, I have Kodak Dektol Developer and Fixer; however, I'm missing Stop Bath. I've heard conflicting reports about how necessary Stop ...
6
votes
3answers
397 views

Is there an effect of temperature on film exposure?

It is obvious that temperature plays a most critical role in developing films. It is not clear to me, though, what effects temperature might cause at the time of exposure. I didn't stumble upon any ...
5
votes
3answers
340 views

Wet photography: what's the second choice after silver halide?

All the film photography I know of - both colour and black-and-white - uses silver halide as the photosensitive component. I suppose that after over a hundred years of wet photography we have a good ...
7
votes
2answers
1k views

Can leaving a print in fixer too long cause damage/staining?

This is a question for you oldskool B&W photographers, I'm hoping there's some of you out there ;) I am just getting round to sorting out my darkroom and thought I'd give it a test run now the ...
13
votes
1answer
219 views

Selenium to increase contrast?

I have been using selenium as the last step during negative development to increase durability of the negative. I was told that it can be used to increase the contrast of the negatives too. I tried, ...