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500mm vs 600mm?

Started Nov 13, 2017 | Questions thread
BirdShooter7 Veteran Member • Posts: 9,134
Re: 500mm vs 600mm?

This will be my last post to you on this issue. I'm quite tired of wasting time with your irrelevant comments.

This pretty well sums up my understanding of how the phase detect AF works and well agrees with what Canon themselves has published.

https://www.the-digital-picture.com/Photography-Tips/canon-eos-dslr-autofocus-explained.aspx

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Some of my bird photos can be viewed here: https://www.flickr.com/photos/gregsbirds/

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