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Frequent Contributor
Posts: 100
Registered: ‎01-04-2013

AF speed

When photographing birds with my 60D and 100 mm-400 mm zoom (orignal), AF takes several tenths of a second to complete sfter the shutter is depressed half way.  I frequently wonder how much this response time depends on the camera and how much on the lens.  Would just changing to the new version of the zoom speed up this response tme?  I would love to hear a camera engineer to talk about this.



Respected Contributor
Posts: 1,861
Registered: ‎12-02-2012

Re: AF speed

This is double posted. Answers are being added to the version posted in the EOS board.

Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites

Why do so many people say "FER-tographer"? Do they take "fertographs"?
Posts: 2,103
Registered: ‎07-08-2013

Re: AF speed

Hi, Ed!


To touch upon what ScottyP said, you'll find answers to this question right HERE.


Thanks for joining the conversation!

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