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Nikon DSLR Cameras
D7100
AFMA Auto Focus Micro Adjustment
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<blockquote data-quote="J-see" data-source="post: 428458" data-attributes="member: 31330"><p>The problem in fine-tuning focus at sight is that the least reliable factor is we ourselves. It's very hard for us to correctly eyeball anything since a lot of external factors influence how we perceive sharpness.</p><p></p><p>That's why I use the cam's "dot" to fine-tune. The cam doesn't care about any external factor and it is either in focus or out of focus. A program will do as fine.</p><p></p><p>You don't even need anything at 45° since all you need to find out is the range the cam considers "in focus". The moment I know my range, I pick the middle and that's it. At no point do I even take a shot and check the DoF. That's what I do when finished and only to check if I didn't mess up during my tuning.</p></blockquote><p></p>
[QUOTE="J-see, post: 428458, member: 31330"] The problem in fine-tuning focus at sight is that the least reliable factor is we ourselves. It's very hard for us to correctly eyeball anything since a lot of external factors influence how we perceive sharpness. That's why I use the cam's "dot" to fine-tune. The cam doesn't care about any external factor and it is either in focus or out of focus. A program will do as fine. You don't even need anything at 45° since all you need to find out is the range the cam considers "in focus". The moment I know my range, I pick the middle and that's it. At no point do I even take a shot and check the DoF. That's what I do when finished and only to check if I didn't mess up during my tuning. [/QUOTE]
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Nikon DSLR Cameras
D7100
AFMA Auto Focus Micro Adjustment
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