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Better Available Light Digital Photography, 2nd Edition by Barry Staver, Joe Farace

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5   Fast lenses

 

 

I almost never set out to photograph a landscape, nor do I think ofmy camera as a means of recording a mountain or an animal unlessI absolutely need a “record shot. ” My first thought is always oflight.

—Galen Rowell

Just as with sports cars, computer processing, bullet trains, and Internet connections, being fast is great for camera lenses. It’s much easier to take photographs in low light with an f/2.0 or f/2.8 lens than with an f/4.5 or f/5.6 lens. Camera companies don’t bury us with choices like the car manufacturers, usually selling just two or three similar lenses in the same focal-length range. We hope that this ...

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