What is the difference between 2.8 f and 4f?

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F/2.8 will have double the collected light than F/4 if low light is your issue. It also means you can stop down to F/4 and get sharper images than an F/4 lens wide open, generally.

anonymous · Answer 1

F/2.8 will have double the collected light than F/4 if low light is your issue. It also means you can stop down to F/4 and get sharper images than an F/4 lens wide open, generally.

What is the difference between 2.8 f and 4f?

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What is the difference between 2.8 f and 4f?

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