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Shooting wide open with Digital

michaeladawson

Oakland, US
16 posts

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michaeladawson Registered since 17th May 2002
Fri 17-May-02 04:50 AM

Here's a question I haven't seen addressed anywhere. Your thoughts please.

Generally, with traditional film cameras you need to stop a lens down 2-3 stops from the maximum aperature to get optimal quality out of the lens. Correct?

With a digital camera you are capturing the center portion of the image. Isn't a big factor in low image quality with a traditional film camera when shooting wide open due to the falloff in sharpness towards the edges? If so, it stands to reason that you can get higher image quality at wide open aperatures from a lens on a digital camera than from that same lens on a film camera.

Is there anything to this? If so, is the difference significant enough to matter? The main point being whether you can get away with using a lower cost variable aperature lens wide open rather than paying for a f2.8 fixed lens but having to stop down to f5.6 anyways.

Mike

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