Roll 187 (Kodak 2422, B/W slide film) was developed in Rodinal 1+75 for 12 minutes in a rotary developer at 20 C, the resulting Dmax was poor, and the internet suggested that I had underdeveloped.
2422 on left and Velvia on the right. Note the low Dmax of 2422.
Roll 188: Kodak 2422 (!!!B/W slide film!!!) in Rodinal 1+25 (20 mL + 500 mL) for 30 minutes in a rotary developer at 20 C. Dmax is about the same as that of Velvia. I also shot a scene at ISO 0.2, bracketed at -1, 0, and +1. Those 5 frames filled up an entire roll. ISO 0.2 to ISO 0.1 look about right, so the next roll will be a density curve.
Jul 28, 2025 at 07:49 PM
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