AF-On button D5200 - BBF?

Started 10 months ago | Discussions thread
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OceanFroggie
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AF-On button D5200 - BBF?
10 months ago

Ok I've figured how to set the "AE-AF Lock" button on D5200 to behave as a dedicated "AF-On" button (ie BBF - back button focus instead of shutter release half press). And spent some time using it.

BUT I fail to see how BBF is more useable than 1/2 SR button. It's quite awkward and requires using two physical inputs instead of one. It would seem a awkward for sports action where the subject keeps moving the focal plane. Obviously there is value and benefit to BBF but could somebody please explain what situations it might be better than 1/2 SR for focusing. In some reviews the presence of a dedicated AF-On button is usually praised. Thanks in advance.

 OceanFroggie's gear list:OceanFroggie's gear list
Nikon D5200 Nikon AF-S DX Nikkor 18-105mm f/3.5-5.6G ED VR Nikon AF-S DX Nikkor 35mm f/1.8G Nikon AF-S DX Nikkor 10-24mm f/3-5-4.5G ED Nikon AF-S DX Nikkor 18-200mm f/3.5-5.6G ED VR II +1 more
Nikon D5200
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