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re: indigestion, sunshades

Eric_Drysdale@xxxxxxxxxx writes:

>Also, I ran into a pro photographer acquaintance who suggested that I compensate my shutter speed (slower) for the cold weather, something about the emulsion slowing down. I had taken shots in the cold before, with fine results. What's the deal on this? For perfectionists only? 


Astronomers use 'cold cameras' which use dry ice to cool the emulsion to prevent reciprocity failure, so maybe the emulsion actually speeds up. 


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