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Nikon DSLR Cameras
D3300
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<blockquote data-quote="aroy" data-source="post: 366452" data-attributes="member: 16090"><p>There are times when you have to resort to manual focusing. One such situation which I have faced a lot is focusing on a leaf (or part of the flower), and the AF focuses either on leaves behind or on leaves ahead of where I want. That is so because the AF is a rectangular patch and phase detection algorithm chooses the best option. If the AF rectangle is big compared to the spot you want to focus, it may decide to focus some where else.</p><p></p><p>Another situation is when you are trying to do close up. When I try to focus inside a flower (tubular opening), the AF insists on focusing at the front edge.</p><p></p><p>In both the above situations, you have to revert to MF.</p></blockquote><p></p>
[QUOTE="aroy, post: 366452, member: 16090"] There are times when you have to resort to manual focusing. One such situation which I have faced a lot is focusing on a leaf (or part of the flower), and the AF focuses either on leaves behind or on leaves ahead of where I want. That is so because the AF is a rectangular patch and phase detection algorithm chooses the best option. If the AF rectangle is big compared to the spot you want to focus, it may decide to focus some where else. Another situation is when you are trying to do close up. When I try to focus inside a flower (tubular opening), the AF insists on focusing at the front edge. In both the above situations, you have to revert to MF. [/QUOTE]
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