F-76 equivalents

Film Photography & Darkroom discussion

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rmolson
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F-76 equivalents

Postby rmolson » Tue Mar 03, 2009 12:54 pm

F-76

I have been using F76 at the 1:9 dilution for some time which is about the equivalent to D-76 stock. I can’t seem to find the equivalent 1:1 dilution on the giant developing chart. IT shows a doubling of film speed and use of a higher temperature. I am not interested in pushing the film I want to try to get some the sharpness benefits of the old D-76 at 1:1.
Any one have any experience working at these dilutions


Digitaltruth
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Postby Digitaltruth » Tue Mar 03, 2009 5:21 pm

Try 1+14
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Keith Tapscott.
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Re: F-76 equivalents

Postby Keith Tapscott. » Wed Mar 04, 2009 12:14 pm

rmolson wrote:F-76

I have been using F76 at the 1:9 dilution for some time which is about the equivalent to D-76 stock. I can’t seem to find the equivalent 1:1 dilution on the giant developing chart. IT shows a doubling of film speed and use of a higher temperature. I am not interested in pushing the film I want to try to get some the sharpness benefits of the old D-76 at 1:1.
Any one have any experience working at these dilutions
Despite the product name, I am sceptical that it performs the same as D-76. It`s probably more like Ilford Ilfosol or Fotospeed FD-10. Perhaps Lowell Huff will comment if he reads this thread.

Lowell Huff
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Postby Lowell Huff » Thu Mar 05, 2009 2:48 pm

Since we have been making this formula and its predicessor, F 60 Film Developer, for thirty years, Ilfords DD-X is very similar to our formula. It is a phenidone HQ formula and does not resemble the Metol HQ formula of KODAK D76. It is much more sophisticated in design and purpose than that 1920s formula.


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