paul_perron Posted March 31, 2000 Share Posted March 31, 2000 Can someone tell me how different Rodinal dilutions (1/25, 1/50, 1/100) affect grain, sharpness, and tonal scale? <p> Thanks in advance, <p> Paul Link to comment Share on other sites More sharing options...
shawn_stupidpost Posted April 1, 2000 Share Posted April 1, 2000 Minimally in my experience (not dramatically, anyways...). 1/25=lower grain/lower sharpness; 1/100=higher grain/higher sharpness; 1/50 in the middle. Scale is pretty much the same to my eye; I think exposure is going to affect the scale more than dilution. Link to comment Share on other sites More sharing options...
shawn_stupidpost Posted April 1, 2000 Share Posted April 1, 2000 Although...I developed some TMY at 1:10 the other day, and I ended up with a really cool affect: higher values were obviously blown out (even at 5 minutes of development), but the lower values had a wonderful, contrasty separation that I found quite pleasing...wierd Link to comment Share on other sites More sharing options...
ed b. Posted April 3, 2000 Share Posted April 3, 2000 Higher dilutions of rodinal increase the compensating effect and edge effects, but lower effective film speed. I have my times and dilutions for Rodinal on my site at http://unblinkingeye.com--they will give you a place to start with the higher dilutions. I personally think it is a waste of time using Rodinal at 1:25. If you need speed, try a different developer, but if you want acutance and fine gradation, try Rodinal at 1:50, 1:75, or 1:100. Link to comment Share on other sites More sharing options...
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