jenny_sampson Posted May 24, 2006 Share Posted May 24, 2006 hello... i shot a roll of fp4 at 400 (something i don't normally do --in fact, i think i had put hp5 in there, but alas it was fp4!)...i am wondering if anyone has any advice on processing times with rodinol... thanks,jenny Link to comment Share on other sites More sharing options...
randall ellis Posted May 24, 2006 Share Posted May 24, 2006 I'm not sure what you're going to get with Rodinal, but if you can find some Diafine, it will work out fairly well. You could also try Microphen stock (15.5 mins), or Perceptol stock (17 mins). Rodinal may give you much more grain at that speed, even with FP4+, than you are expecting. - Randy Link to comment Share on other sites More sharing options...
stephen sullivan Posted May 24, 2006 Share Posted May 24, 2006 Jenny, by chance, does your camera have auto DX (ISO) Setting? If so, then your camera exposed the film at EI 125 (that is unless you manually set the EI to 400.) If, as you said, then develope in Kodak's Xtol @ EI 500 see: http://www.digitaltruth.com/devchart.html Link to comment Share on other sites More sharing options...
pics Posted May 24, 2006 Share Posted May 24, 2006 FP4+ and most other films in this speed range don't respond especially well to push processing like typical 400 speed films. A one stop push is about all FP4+ is good for and even then expect less than ideal results. I have never pushed any film in Rodinal but just yesterday did some FP4+ at EI 250 in D-76 1+1 for 15 min. They are printable but display noticeable loss of shadow detail. In theory, Xtol or Microphen would be better candidates but I wouldn't expect any miracles with this film pushed 2 stops. I'd be interested to see your results however since I haven't tried it. Link to comment Share on other sites More sharing options...
chuck_mathis Posted May 25, 2006 Share Posted May 25, 2006 I don't believe that Rodinal is going to be the best developer for this situation. If it's allyou have increase the development time 50% per stop and hope for the best. I normally shoot FP-4 at 200 and process in Microphen 1:1. I don't think an additional stop is going to be too much of a problem in Microphen. After processing a couple of rolls in Diafine I think 250 is just about right on for FP-4 but Diafine doesn't give any additional push. It did handle the volcanic rocks in the New Mexico sun nicely though. Link to comment Share on other sites More sharing options...
larrydressler Posted May 25, 2006 Share Posted May 25, 2006 Diafine gives me about 250 at the max with this film D-76 with a 50-60% increas in Dev will give you maybe 320 wit alot of contrast and blocked up shadows. Larry Link to comment Share on other sites More sharing options...
ed_hurst Posted May 26, 2006 Share Posted May 26, 2006 Another vote for Microphen stock or Diafine. But don't expect miracles - you won't have a great deal of shadow detail! Link to comment Share on other sites More sharing options...
jon_noble Posted May 26, 2006 Share Posted May 26, 2006 I would not worry too much. I have pushed it to 800 before and used a guessed time for it in Jessops Econodev (crap i know) and gotten surprising results Heres the link to a picture from that roll http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00FAun Link to comment Share on other sites More sharing options...
bljkasfdljkasfdljskfa Posted May 28, 2006 Share Posted May 28, 2006 I'll go with Noble. This film pushes great. I've pushed it to 400, and it looked like a 400 speed film. Microphen is a good choice and so is Xtol. Link to comment Share on other sites More sharing options...
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