(Mis)adventures in Cross-Processing

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The first (and last) times I cross-processed slide film using negative chemistry (E6 film in C-41 chemistry), I was generally pleased with the results, if not so much the uninspired content.

In part to fight the winter doldrums brought on by a most unwanted cold snap, I began to eye some of the expired rolls of Velvia in my freezer. And the cats. Since it’s not a time of year that I will get through E6 chemistry fast enough, if I were to use a roll, I would cross-process.

Since cross-processing E6 film in C-41 chemistry results in a pretty hefty push, you’re supposed to underexpose the film by a stop or two to make sure you get something that does not end up blown out. Taking inspiration from the rolls above (1 stop and 1⅓ stop, respectively), I figured that one stop would do it for me.

Unfortunately, one stop did not do the trick. I really should have metered at 320 or 400 (i.e. 1⅔ or 2 stops), which would have given me the results I was picturing.


Camera
Lens
Film
Developer
Scanner
Location
Date(s)
Filing

Mamiya C220
Mamiya-Sekor 8cm f/2.8
Fuji Velvia 100 (Exp. 2021/08)(EI200)
Flic Film C-41 Pro Kit
Epson V600 / SilverFast 9
Ottawa, Ontario
January 29, 2026
Series 7, Roll 012

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