Archived posting to the Leica Users Group, 1998/09/08

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Subject: [Leica] Diafine
From: "Philip Kokoczka" <>
Date: Tue, 08 Sep 1998 04:21:43 PDT

Dan Post wrote:
>>Also- do any of you out there use Diafine? I find it a pretty good 
developer for hot weather use.<<

I first used Diafine in my high school photography class way back in 
1965. In fact, (to keep this post Leica oriented) I first used it to 
process some TriX pictures I took for the school paper at my HS football 
game with the photography teachers pride and joy-his M3 with 135mm 
Hektor. Since first using the teachers M3 I have gone thru an Exakta, a 
couple of Nikon models, a Minox C, a Hassy, and now finally an M6 outfit 
supplemented with a 1954 M3 with a 135mm Hektor lens. And I still use 
Diafine but now with Agfa 400. I have yet to find a B&W developer that I 
like better than Diafine. I use Diafine all year around-not only during 
the hot weather. It gives me about a 1/2 stop advantage in EI and I love 
the sharpness in the film grain. The Diafine developed negs are also 
extremely easy to print and seem to have a sparkle not there with other 
developers. I am suprised that there is so little use of Diafine out 
there with all the advantages it gives-i.e. time and temperature in the 
A & B solutions not critical. 


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