On 12/18/2017 01:49, Larry Colen wrote:
This afternoon I was photographing a heron at the Waldport seawall with my K-1
and sigma 50-500 during low tide. It had flown from one spot to another, I was
walking back to the new spot, photographing as I went, and at one point the
camera went completely out of focus, then wouldn't even attempt to focus. I
eventually got it back on track, got some more shots, then the bird spooked,
flew off (past me) I tried for some flight photos but the lens again went
completely out of focus, then refused to do anything to get back into focus.
With the bigma I couldn't (easily) manually focus and I completely lost my
opportunity for those BiF photos.
Does anyone know what causes the focus mechanism to freeze up like that, or any
way to convince it to try to refocus?
Have you tried a different lens? At this point you don't yet know which is at
fault.
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Science - Questions we may never find answers for.
Religion - Answers we must never question.
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