A99 Auto Focus Range Failure

Started Oct 31, 2012 | Discussions thread
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dennismullen Veteran Member • Posts: 8,996
A99 Auto Focus Range Failure

I was afraid it was too good to be true.

It took a while to figure out what was going on. The focus is quick and nimble with my Sigma 500/4.5 APO EX DG but when I turn on the range limiter it just runs from one end to the other of the range I set without finding focus even if the whole range is selected. If I turn it off the focus works well again.

Auto focus Range works with my Sony 70-300G.

Add to this AF-D does not work with any of my lenses.

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"Those who would sacrifice liberty for safety deserve neither liberty nor safety." - Ben Franklin.
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Sony Alpha a99
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