80D focus

[chief]

Just got 80D and have question about focus points. When using one shot using any of the four AF modes when I press shutter button half way, like on my 6D, camera focus on image and I get green light in view finder and a little beep. No problem. When in AI Servo when using Zone Af, Large zone af, 45 point and press shutter button half way and achieve focus the points enlarge and become solid and change following subject, bird in flight, with no beep. But in single point focus, focus point does not seem to do anything. Am I missing something, I have not been able to thouroughly test all modes on flying birds because of lousy weather. Just trying to dial all this in so when good weather returns I will have a more thorough idea on how focus works. Any insight would be appreciated. Am using a 150-600mm Tamron for my birds in flight shots.

[Waddizzle]

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@chief wrote:

Thanks again, have been reading about those custom setting in online manual, in custom I have #1 locked on at -2 and will experiement with the other custom settings you mentioned, for other settings what would you recommend for bif. Thanks

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Experiement.  I like the Image Priority settings set for Focus.  There are settings that control how quickly it switches AF points, AF point sensitivity to contrast.  There is no one setting that works best for all scenarios, but the defaults [for 8, 9, & 10] are a good starting point.

[Waddizzle]

When I set my 6D bodies to AI Servo and just the center AF point, the center AF point will flash a silent focus confirmation

I also have 1st Image Priority set to Focus. My
7D2 body does not do this.