Re: Official: Fujifilm GFX 50S Medium Format Announced!
GMPhotography wrote: gdanmitchell wrote: GMPhotography wrote:
Dan diffraction hits sooner on a larger sensor than it does on a smaller system.
You have that backwards.
You can stop down to smaller apertures on larger format systems with the same effect from diffraction on your photograph that you would get at larger apertures on a smaller format. In other words, \"it hits\" later and is less noticeable at any compared aperture. You could shoot at f/32 on your 4x5 with fine results or smaller on 8x10, but don\'t try that on a 1\" sensor digital camera.
Think of it this way. For diffraction with measured diameter X, X is a smaller percentage of the frame size with larger formats, thus a particular measured absolute size of \"blur\" from diffraction has less effect with a larger sensor/film format.
Make sense?
Dan
Beg to differ. Don\'t care what anyone says. I lived it. Case closed
I shot MF digital backs for years it don\'t work like film. Once again a typical 35mm setup with great lens it\'s about F11. In MF with a full frame digital back and a great lens it\'s F8 when diffraction hits. Pixel pitch also plays a roll for sure. Why part of the complaint of MF is loss of DoF one reason is diffraction the other everything is bigger. I test this stuff let\'s not forget. I spent hundreds of thousands in MF digital. I know what wall I\'m hitting
Sorry Guy, you are wrong. If you feel diffraction hits at F11 something is wrong with your setup. I have also tested different formats a lot, and for typical pixel pitches now for 35 mm format(36-50mp resolution) I can see diffraction starting at f/5.6 At F/8 it is obvious.
Sep 21, 2016 at 12:12 AM
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