6D birds in flight

Started May 3, 2013 | Discussions thread
Schwany Forum Pro • Posts: 10,129
Re: 6D birds in flight

qianp2k wrote:

Schwany wrote:

Most people that like using the back button for focus turn off the focus function on the shutter button.

Not sure if most people.  But it's a puzzle to me too.  I heard some said back button improves AF accuracy.  I thought it's just a different customization.  How the back button can improve AF accuracy as it's lens and AF engine related?  Anyway I am so used to shutter and don't want to change habit unless it actually has AF related advantage.

You are correct about "most". I should never make assumptions. I think Chuck Westfall recommends separating the two functions when using back button focus, and he wrote up a little guide on how to do it. It's somewhere on the Canon site.

I can't see how on earth using the back button is going to improve focus either. It does exactly the same thing as using the shutter button for focus. I'd rather use my thumb to help hold the camera up than be pressing on that little button. My action photography hit rate improved once I stopped using the back button for focus. I had a tendency to let pressure off of it during a pan burst and would end up with OOF frames at the end. Plus for me it really is sort of awkward even after doing it for a few years.

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