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Acufine Diafine 2 Bath Black & White Film Developer Concentrate, Makes 1 Qt. of Solution

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List Price: $37.54

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Acufine : Picture 1 regular $29.95

About Acufine

Diafine is usable over a wide temperature range with one developing time for all films. Fast, medium and slow films can now be developed simultaneously without adjustment in developing time. All films with the exception of a few extremely slow emulsions are automatically developed to normal contrast. Time and temperature have no practical effect if the minimum recommendations are observed.

Diafine film developer is unsurpassed in its ability to produce greatest effective film speed, ultra-fine grain, maximum acutance and highest resolution. It is a characteristic of Diafine film developer to permit the widest latitude of exposure without the necessity of time-temperature compensation.

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Reviewed by 4 customers


love this stuff


I'm on my third batch of diafine now. It always does is job, lasts an incredibly long time, and is super easy to use. Tri-x, hp5, I've even developed some color Fujitsu superior in it just to see if it works. Shooting one to two stops under with most any rolls of film with come out with really high contrast images.


Best developer. Ever. Period.


I love Diafine. You don't have to worry about temperature, it is quick, and it always works. I have used it with Neopan 400, Tri-x, Kentmere, and even ORWO UN54. Always wonderful

(2 of 2 customers found this review helpful)


Easiest way to push Tri-X


If you ever wanted to push film but never got around to it this is the developer to start with. I have tried other push developers but keep coming back to Diafine.

(8 of 8 customers found this review helpful)


great stuff!


Okay, in addition to the info in the general description, a few points need to be made. One, the stuff is extremely economical because it lasts for months or even years with only a periodic 'topping-up' of solution A (some of which gets absorbed into the film). It is great for those who like to carry a camera about at all times and end up shooting under a variety of lighting conditions on a single roll of film. The reason is that it is a compensating developer and will pull as much shadow detail out of the picture as possible without blocking hightlights effectively broadening exposure lattitude and compensating for inconsistencies in exposure. It is less effective for those who wish to fine-tune there contrast during development to match specific lighting conditions. The fact that it is not effected by length of development time means that the film cannot be pushed or pulled. This is probably its only real disadvantage. It is also not a fine-grain developer, so it is best used with slow or middle speed film or where grain is not a concern. Since it gives an effective boast in speed of approximately one stop depending on the specific film used, this is not really a problem. Ilford Pan f 50 exposed at iso 80 is about as grainless as 35mm gets, has a beautiful tonality, and a moderate speed boost. Ilford fp-4 exposed at 200 or 250 is fast, fine-grained, and almost too perfect in tonality. Not only does diafine control the inherent contrast of slower films but it retains the already rich tonality of Tri-x and gives a nerely two stop increase in speed with only moderate increase in grain. Again, great stuff.


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Shopper  Why Did You Choose This?
DAVID L. L  The combination of DIafine developer and Kodak Tri-X Pan 400 was heartily recommended by Stephen Schaub in his two-part video posted on YouTube.
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