Better to upgrade lens or body for faster AF?

Started Feb 5, 2013 | Discussions thread
calson
Veteran MemberPosts: 5,329
Like?
Re: Better to upgrade lens or body for faster AF?
In reply to Kelly M Jones, Feb 13, 2013

At most zoom settings the 70-300mm is a f5.6 lens and letting in 1/4 as much light to the AF sensors as would be true with a f2.8 lens. Less light means less contrast differentiation for the camera's AF sensors.

It would be interesting to see if face tracking mode provides better results.

Reply   Reply with quote   Complain
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark post MMy threads
Color scheme? Blue / Yellow