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Nikon DSLR Cameras
D7200
D7200 Beginer
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<blockquote data-quote="pforsell" data-source="post: 669283" data-attributes="member: 7240"><p>It depends. The way Nikon has implemented the focus tuning is not perfect. I have tried the feature in the past but my results were never good. The problem is, lenses typically require different focus tuning parameters depending on the focusing distance, but we can only enter one value. If you have a 50mm f/1.4 prime lens, that needs +5 at 1 meter, -7 at 5 meters and +3 at 30 meters and beyond, which number will you enter?</p><p></p><p>And the thing only gets worse if you have a zoom lens. You would need 3-5 different zoom settings and 3-5 focusing distances for each zoom setting, yielding 25 fine tune values. Which one will you pick?</p><p></p><p>I have 5 cameras that allow focus tuning (D300, D3S, D3X, D4S and D5) but I have not done it. Maybe I am lucky or just blind, but none of my lenses require FT. On the other hand I only have Nikkor lenses which all perform beyond my expectations *knock on wood*.</p><p></p><p>One thing to remember, the FT should be done in bright daylight, if you shoot in daylight. Tungsten or fluorescent lighting cause focusing error (not large, but perceptible). Or vice versa, if you only shoot in tungsten, then tune in tungsten.</p></blockquote><p></p>
[QUOTE="pforsell, post: 669283, member: 7240"] It depends. The way Nikon has implemented the focus tuning is not perfect. I have tried the feature in the past but my results were never good. The problem is, lenses typically require different focus tuning parameters depending on the focusing distance, but we can only enter one value. If you have a 50mm f/1.4 prime lens, that needs +5 at 1 meter, -7 at 5 meters and +3 at 30 meters and beyond, which number will you enter? And the thing only gets worse if you have a zoom lens. You would need 3-5 different zoom settings and 3-5 focusing distances for each zoom setting, yielding 25 fine tune values. Which one will you pick? I have 5 cameras that allow focus tuning (D300, D3S, D3X, D4S and D5) but I have not done it. Maybe I am lucky or just blind, but none of my lenses require FT. On the other hand I only have Nikkor lenses which all perform beyond my expectations *knock on wood*. One thing to remember, the FT should be done in bright daylight, if you shoot in daylight. Tungsten or fluorescent lighting cause focusing error (not large, but perceptible). Or vice versa, if you only shoot in tungsten, then tune in tungsten. [/QUOTE]
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Nikon DSLR Cameras
D7200
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