A99 Autofocus issue

Started Jun 4, 2014 | Discussions thread
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wt66 Regular Member • Posts: 237
A99 Autofocus issue

So, I'm using a 70-400G2 with my A99 which work fine together. My issue is this:

When i'm using a 1.4 kenko teleconverter at 400mm, the autofocus is TERRIBLE. It zooms in and out and in and out for literally 2-3 seconds before locking focus, almost like it's microfocusing around the object. BUT when I use my LAEA2 and Nex-7, AF works fine at any focal length, not as good as with no TC but much better than with the A99. Same lens, way way less hunting (almost no hunting in good light). Why is this?

Sony Alpha NEX-7 Sony SLT-A99
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