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10-28-2014, 01:41 AM   #16
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QuoteOriginally posted by stevebrot Quote
This is compounded by the camera not having any focus points in the corners
One of the many shortcomings of phase detect focus. There is not enough physical space for a larger secondary mirror.

Corners are so passé anyway. Just as well that when we get the 'full frame' the pesky corners will be automatically blacked out.

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