Twan
TPF Noob!
- Joined
- Jan 14, 2020
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Dear analog enthousiasts,
I'm have a question regarding finding the right developing time / formula the info cannot be found on Massive Dev Chart.
I have two roles of B&W film that I want to develop and both push one stop. One roll of IMAGO 320 (ARS) and one roll of 400 TMAX (Kodak).
1) My first question relates to finding the right developing time. I am using Ilfotec DD-X developer, but since Imago 320 is a rare film I imagine, there are no results for this combination on Massive Dev Chart. How should I go about this? The only developing times in MDC that show up from Ilford are done with ID-11 developer.
2) How do I calculate the right push-processing time based on the standard developing times? Doing a quick Google I found here that usually a 1-stop push can be achieved by using 1,5 times the standard developing time. But I'm confused as it also says that for TMax film a 1-stop does not have a longer developing time as an exception.
Why is this the case? How do I push-process for Tmax 400 and how would I go about it for Imago 320?
3) Sometimes on Massive Dev Chart I find two different results on the same stock / developer combo. Is that just because two different people uploaded this that have a different preference?
I am fairly new to the whole process of developing my own black & white film, my apologies if I am asking very simple questions but I'm very keen on understanding how this all works.
Warm Regards,
Twan (Film Student)
I'm have a question regarding finding the right developing time / formula the info cannot be found on Massive Dev Chart.
I have two roles of B&W film that I want to develop and both push one stop. One roll of IMAGO 320 (ARS) and one roll of 400 TMAX (Kodak).
1) My first question relates to finding the right developing time. I am using Ilfotec DD-X developer, but since Imago 320 is a rare film I imagine, there are no results for this combination on Massive Dev Chart. How should I go about this? The only developing times in MDC that show up from Ilford are done with ID-11 developer.
2) How do I calculate the right push-processing time based on the standard developing times? Doing a quick Google I found here that usually a 1-stop push can be achieved by using 1,5 times the standard developing time. But I'm confused as it also says that for TMax film a 1-stop does not have a longer developing time as an exception.
Why is this the case? How do I push-process for Tmax 400 and how would I go about it for Imago 320?
3) Sometimes on Massive Dev Chart I find two different results on the same stock / developer combo. Is that just because two different people uploaded this that have a different preference?
I am fairly new to the whole process of developing my own black & white film, my apologies if I am asking very simple questions but I'm very keen on understanding how this all works.
Warm Regards,
Twan (Film Student)