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Why can’t my lens take sharp photos at maximum aperture?
Why can't my lens take sharp photos at maximum aperture? I own a Tamron 28-300mm 3.5/6.3 A06, the version without the image stabilizer. When I shoot with the widest aperture, the photos often come out with very blurry, soft edge, not sharp. This is different from when I stop down the aperture; in that case, the photos turn out much sharper, although obviously at the expense of depth of field and the a...
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