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      09-01-2016, 12:11 PM   #5
Daftasabrush
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Drives: F31 340i
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Focal distance also effects the sharpness. I have a 70-200 F4L IS and while it will claim to focus wide open at 1.2m away at 200mm, it isn't anywhere near as sharp as the same focal length and aperture but 5m away.
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