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I suppose it is possible that there is a temp difference between the 2 heads, but how would I know or check this? More importantly, when I made real photographs and developed them, the 8 minute time from my old test was bullet proof and the 5.5 minute time from my new set of tests made a good negative. So what could possibly have changed to alter my development times so drastically from 8 to 5.5 minutes not only in the BTZS tests, but also in real photographs. My exposure technique for the tests is the same, except for the different heads, and I haven't changed my technique for the film development. Thanks. |
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