5DIII AF points with EF 70-300mm f/4-5.6 L USM

Started Sep 26, 2012 | Discussions thread
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Kmccarthy OP Regular Member • Posts: 166
Re: 5DIII AF points with EF 70-300mm f/4-5.6 L USM

Well, you are in Group E. Be thankful you are not if F,G, or H. You CAN autofocus with all 61 points, but the outer points are only sensitive to horizontal lines.

I realize you can focus with all 61. The problem is that only the center 21 are reliable cross types. If I wanted to focus with unreliable outer points, I would have kept my 5DII !

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