Weldon said:I was using a old Rollie T1 that has a meter on the side. The exposure was 15 seconds so I don't think it was reciprocity. The straight exposure should have been F11 at 1/30 sec. I stepped it down to F22 at 15 seconds using the nd filter plus a red filter that I step down 2 stops for. I use the red filter very often at 2 steps down but the nd filter is new.
Weldon said:I aquired a 4X neutral density filter and thought it would increse exposure time by 4 stops...I was wrong. Each neg was underexposed. Shoud I have tried 4 times the exposure time?
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