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Is AF performance different between 77 & 273 AF points?


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As long as you're talking phase points, no. The 77 setting is "faster." However, 273 adds contrast points which, while slower, are more accurate than phase points in low light high contrast scenes. Substantially, in my limited small concert venue experiences.

Ok, thanks for the info and your experience.

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I was messing around with this again at home and it was late and low light.. yeah, i don't think it makes a difference in AF performance.. if it does, pretty negligible.

 

I would probably keep the 77 grid up mostly, as I have been. I don't find I need to be so particular with 273 points and moving the AF point around with 77 is a lot faster than having to maneuver through 273.

Edited by Wing0949
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