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09-28-2007, 01:35 PM | #23 | |
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2. Other than that, all good and accurate info here, but leaves out one very important thing - no matter how sharp the lens CAN be, you need to keep it in the optimal f/ stop range to maximize the sharpness. My 12-24 f/4 and 17-35 f/2.8 are both excellent Nikkor lenses, but they are sharpest in the range of f/8. This applies to all lenses, and has to do with how the light passes through the lens elements and the aperature blades. At the wide-open setting, you are using the outer fringes of the lens, and it is not as sharp. Stopped down to f/22, the light actually bends around the blades of the diaphram, and you lose sharpness here as well. Most lenses do best 1-2 stops on either side of f/8.
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10-01-2007, 06:57 PM | #24 |
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10-01-2007, 10:26 PM | #27 |
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Technique is the single most important factor for sharp images.
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