Mike wrote: The chart below plots development time vs. contrast index. How do I convert contrast index to stops? In other words, if I measure Zone III...

I have a 100g sealed plastic container of Formulary glycin that's 2-3 years old. It's a brownish color. Does that mean it's definately bad or is...

This message refers to the newsgroup rec.photo.marketplace.darkroom, but it also contains information relevant to rec.photo.darkroom. Posts offering to buy or...

I rarely shoot B & W, but have always liked it with a lot of contrast. However recent experience is that the results are awful. They are just a boring pale...

I've had a darkroom for years and its basically involved a light-tight seal around the door, etc...It works fine, period. I'm dealing with stuff now, however,...

I now have a fully working unit. That's good. But I'm having trouble getting the required 0.55 from my own grey negative. I've been bouncing all around it but...

Hi. There was an article in the recent Photo Techniques which compared the two developrs. My takeaway was that under some very limited circumstances, according...

I love my Beseler 23C and have used it for over 20 years with both 35mm and 120, but the lure of a larger format has moved me to purchase a 4x5 camera (a...

I have this strange problem with APX 400 film: ON THE NEGATIVE I get tiny DENSE spots with THIN HALOS. On the print it's tiny white dot with dark halo. The...

Hi, Newbie poster, I hope this is an ok group to post this on. I've recently bought a Nikon F80 (N80 in US). I have enjoyed (in the past) developing my own...

Can't help you there?! Bakaka Fazackerly Tel. +1 774 989 2637

My normal routine for years has been to shoot Ilford DELTA 100 8x10 sheetfilm (exposed at EI 64) and develop in std. PMK Pyro in a Unicolor drum on a unicolor...

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Photo Friends I am the photo instructor for the City of Cape Coral Parks and Recreation Photography Programs - Last year I managed to open up a 5 station...

I posted this already on r.p.digital but got only one response. I am hoping you guys/girls know of some great places online that I can submit files to to get...

Anyone recommend a good online colour processing introduction? I thought I'd have a dabble to see just how practical colour dev and printing will be in my...

Hi, I recently shelled out $20 on e-bay for a sheet of heat absorbing glass for my Beseler 23C II and am VERY disappointed to find that it does absolutely...

looking at the recommended development times for Efke 25 and Neofin Blu and see: "with constant agitation 3.75 minutes, othewise 8 minutes." So much for using...

What are the advantages/differences between using say ABC Pyro as opposed to C-41 based B&W process film? I'm debating whether it is worth the trouble to use...

At least according to conventional wisdom slow films have thin emulsions and fast films have thick emulsions. I know from tests done that a 120 roll of slow...