SLT-A65 on airshow.

Started Jan 14, 2013 | Discussions thread
NPPhoto Senior Member • Posts: 1,084
Re: OK. I'll be honest here and say

tbcass wrote:

The 500mm f8 is a very slow lens. The AF requires f5.6 or better for proper AF so I suspect the slow maximum f8 aperture is largely responsible for the poor focus.

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Understood but the last picture of the bald guy standing beside the plane is also OOF and not sharp. Maybe a front or back focusing issue or user error.

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Nick P

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