so how long? do i follow http://www.digitaltruth.com/devchart.php?doc=pushproc
is rodinal a standard developer?
Yes, and a versatile one that can be used at 1:25, 1:50, 1:75, 1:100, 1:200 dilutions depending on the process. My experience pushing Tri-X to 1600 in Rodinal is that you will get a dense, foggy, very grainy negative. Think big, chunky grain. The fog can be printed through easily enough, but the negative will be noticeably foggy around the rebate edges. Unless you are after that look, you might consider an alternate developer like T-Max, Diafine or Acufine.
Peter Gomena
can't i just let it sit there?maybe agitate only for the first min or something haha
Peter,
that's not quite correct. I don't know why people think that. A two stop push is nothing for Tri-X. I have recently shot a roll @ 6400 and stand developed in Rodinal 1:100 for two hours. First minute of slow/gentle inversions and then 15 seconds of gentle swirl of the tank (like a wine glass) ever 30 minutes. This is the result and it is more than acceptable. Not foggy at all and grain is visible at high magnification/enlargement.
http://www.flickr.com/photos/leicaman/5034487285/
Best,
Max
It is a good picture, but it does not look four stops underexposed from a correct (i.e. incident) meter reading. A shot four stops underexposed from an incident reading and stand developed would not look like that. There would be hardly anything there in the lower tones, and it would be very flat. My guess would be that the in-camera meter, having been pointed at something dark, advised you to give more exposure than would be necessary for a 6400 film, resulting in an overexposure of two to three stops (depending on how dark it was) if the film was truly 6400. This would correlate to a one-to-two stop underexposure at the film's true speed of 400. Standing development works, but it does not push the film in contrast, nor does it increase its sensitivity to light. It simply adds a little bit of density to the low tones while keeping the high tones in check.
As always, the question of what to do with development comes down largely to what you did with exposure. If you used a directly-read in-camera meter set at 6400, there will most likely be so much variation throughout the 36 pix that pix will range from seven stops underexposed to one stop underexposed. The development suited for seven stops of underexposure is certainly not the same as the development suited for one stop of underexposure. Proper exposure is essential for accurate pushes and pulls, and to be able to judge the results thereof. The only tool anyone needs to make their in-camera meter accurately place tones every time is a $5 grey card.
Peter,
that's not quite correct. I don't know why people think that. A two stop push is nothing for Tri-X. I have recently shot a roll @ 6400 and stand developed in Rodinal 1:100 for two hours. First minute of slow/gentle inversions and then 15 seconds of gentle swirl of the tank (like a wine glass) ever 30 minutes. This is the result and it is more than acceptable. Not foggy at all and grain is visible at high magnification/enlargement.
http://www.flickr.com/photos/leicaman/5034487285/
Max
I have pushed Delta 3200 up to 25,000 EI and Acros to 6400 and surprising amounts of detail can be shown in the lower tones while highlights don't burn out.
I can't post images at the moment because I'm at work.
just my 2 pence
Mark
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