dankapsner Subscriber Joined Dec 11, 2016 Messages 143 Location Olympia, WA, USA Format Multi Format Sep 1, 2018 #1 I used it on a 39mm Summicron a long time ago. I think it allows you to expose daylight film under tungsten light. Free to a good, bad, or indifferent home. PM me. Thanks,Dan
I used it on a 39mm Summicron a long time ago. I think it allows you to expose daylight film under tungsten light. Free to a good, bad, or indifferent home. PM me. Thanks,Dan