I took these images yesterday. I used the Pentax 645. I was curious how Kentmere 400 120 Black and White film would push to ISO 3200 and develop in Diafine. The results are better than I ever received from Kodak T-Max P3200 film. I will shoot a roll of Kentmere 400 in 35mm format, and another roll of the 120 format pushed 3 stops to confirm what I see here.
While you lose some dynamic range and have increased grain, the images, when printed, are acceptable.
The negatives were easy to scan using the Epson V850. I used Epson’s software. Using Lightroom and Photoshop was no problem either.
This was the 10th roll of film I developed in Diafine. There was one failure. Last weekend I shot a roll of Ilford SFX. I used a red filter and pushed the film 2 stops with terrible results. Otherwise, everything else has been good.
Steven Lawrence Pictures 
Very nice results for a three stop push. That volleyball photo shows off what the combination of Diafine and this film can do particularly well. I’d say this is a winning combo.
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I shot another roll today of Kentmere 400 and pushed it 3 stops. We will see how it comes out in Diafine.
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