Difference between Group AF and Dynamic 9-point AF?

Started 5 months ago | Discussions
Hibiki Rush
Regular MemberPosts: 213
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Difference between Group AF and Dynamic 9-point AF?
5 months ago

What is the functionality difference between the D4S' Group AF focus mode compared to the Dynamic 9-point AF-C setting? I'm not fully understanding how the Group AF differs from the Dynamic AF. I thought in 9 point the AF point would move around on the outer edge of the focus point based on the subject's movement?

Nikon D4s
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LD_50
Regular MemberPosts: 211Gear list
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Re: Difference between Group AF and Dynamic 9-point AF?
In reply to Hibiki Rush, 5 months ago
 LD_50's gear list:LD_50's gear list
Sony RX1 Nikon D4s Nikon AF-S Nikkor 14-24mm f/2.8G ED Nikon AF-S Micro-Nikkor 105mm f/2.8G IF-ED VR Nikon AF-S Nikkor 200mm f/2G ED VR II +1 more
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crosstype
Regular MemberPosts: 159Gear list
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Re: Difference between Group AF and Dynamic 9-point AF?
In reply to Hibiki Rush, 5 months ago

According to my tests, Group AF tends to pick the point at which the subject is closer towards the camera, while 9-point AF tends to pick the center point out of the 9.

 crosstype's gear list:crosstype's gear list
Sony RX1R Nikon D4s Nikon AF-S Nikkor 200mm f/2G ED VR II Carl Zeiss Distagon T* 2,8/15
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