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Found 1 result

  1. Apologies if this question has already been addressed, but by what I could tell actual mathematical calculations haven't been brought up. Right now I have an Alan Gordon Mark V director's viewfinder. I'm trying to figure out what the exact focal lengths (Give or take 2-3 millimeter) would be for commonly used sensor sizes such as full frame, Canon aps-c, and the Red Scarlet. After calling Alan Gordon this is what I know for sure. The 35mm window is based off of super 35 3-perf film, 24.9 x 13.9. My baseline that would remain consistent on the viewfinder for these calculations would be the the 35mm window with a 16:9 aspect ratio. My question is as I find out the crop factor each sensor has in relation to the viewfinder do I need to apply that 16:9 aspect ratio to the sensor sizes? This part confuses me. In my mind I would want to leave the sensor sizes untouched. I suppose I'm just thoroughly confused. If someone can shed some light on what would be an appropriate course of action to take in figuring out what formula to use I would be so grateful.
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