|Posted: Thu Dec 26, 2013 7:19 pm Post subject: Harmann Direct Positive + Ancient Kodak Lens
|I've had a LOT of trouble figuring out Harmann's direct positive paper. It has a very narrow exposure range and overexposing it turns it to negative paper, something I want to master but haven't yet. I also haven't pinpointed the ISO yet, but suspect it to be somewhere around 2 or 3.
Work gave us all a few hours off on Christmas Eve, so I managed six shots with Harmann paper, four of which turned out (kind of). For two of these I used a Kodak 112mm f7.7 (I think, or maybe an f6.3) that came off an old 1A or similar camera. I picked it up for about $12 without the camera, so I'm not 100% certain where it came from.
Here are those shots:
I'm really pleased by the detail. I picked this as the first shot to see how it would perform at f32. Full coverage on 4X5 (with VERY limited movement), good sharpness, and reasonable contrast.
Put in a little bit of rear tilt (which is possible when the subject requires a bit of bellows extension) and the results look pretty good. I believe this was f16.
Here with my Caltar 165mm f6.8 for comparison. Same shot (different rotation because in the above image I like that rotation better). I also made this a mirror image so that it looks like the real thing instead of being reversed.
This was seriously overexposed. At f64 (again with the 112mm lens) this was a 24-ish-second exposure. I found earlier this year that at around 5 stops over exposed the tones begin to go negative. At about 15 stops, a very faint negative image appears.
Direct Positive paper is still really hard to work with for me. But at least I feel like I'm closer to cracking the code.