Fuji AF Performance differences...

Davoe

Regular
Location
NorCal
What would be the differences in performance between setting the front switch to C and half pressing the shutter to focus on a moving subject verses using AF-C and pressing AF-L while pressing the shutter button in manual focus mode?
 
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flysurfer

Hall of Famer
The difference would be between measuring at working aperture (normal AF-C mode) vs. measuring wide open when Instant-AF is used in AF-S mode. Instant-AF in AF-C mode also works with the set working aperture, but there's a time lag between measuring and taking the shot, so your subject may have moved out of the DOF zone. I wouldn't use Instant-AF to track moving subjects.
 

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