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Archive 2012 · Very Slow Autofocus
  
 
alritter
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p.1 #1 · p.1 #1 · Very Slow Autofocus


Other than a dead battery what can cause autofocus to be very slow?


Feb 20, 2012 at 01:35 AM
timbop
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p.1 #2 · p.1 #2 · Very Slow Autofocus


piss poor light


Feb 20, 2012 at 02:23 AM
Pixel Perfect
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p.1 #3 · p.1 #3 · Very Slow Autofocus


timbop wrote:
piss poor light


50 f/1.8 mk II in piss poor light



Feb 20, 2012 at 02:56 AM
Photon
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p.1 #4 · p.1 #4 · Very Slow Autofocus


Very low contrast subject.


Feb 20, 2012 at 03:24 AM
EB-1
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p.1 #5 · p.1 #5 · Very Slow Autofocus


Many defects can cause poor AF performance as well. What are the specifics of the situation and what is the time lag from AF start to lock?

EBH



Feb 20, 2012 at 03:30 AM
morganb4
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p.1 #6 · p.1 #6 · Very Slow Autofocus


Sticky/dirty motor drive in lens.


Feb 20, 2012 at 05:13 AM
Ian.Dobinson
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p.1 #7 · p.1 #7 · Very Slow Autofocus


Dirty mirror/sub mirror. Or dirt on the phase sensor (in the base of the body).




Feb 20, 2012 at 07:59 AM
RazorTM
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p.1 #8 · p.1 #8 · Very Slow Autofocus


Use of a teleconverter.


Feb 20, 2012 at 12:37 PM
 

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Ralph Conway
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p.1 #9 · p.1 #9 · Very Slow Autofocus


Using an EOS D30 or D60, forgetting the lens cap (on lense) ...


Feb 20, 2012 at 01:00 PM
moonshadow
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p.1 #10 · p.1 #10 · Very Slow Autofocus


5DII outer focus points using 50 f1.8II in piss poor light


Feb 20, 2012 at 01:09 PM
ballyhoo33
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p.1 #11 · p.1 #11 · Very Slow Autofocus


Turning the AF off on the lens.


Feb 20, 2012 at 03:24 PM
DLP
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p.1 #12 · p.1 #12 · Very Slow Autofocus


Forgetting to remove lens cap.


Feb 20, 2012 at 04:16 PM
Tommy_D
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p.1 #13 · p.1 #13 · Very Slow Autofocus


Using a manual focus lens.


Feb 20, 2012 at 04:59 PM
jerrykur
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p.1 #14 · p.1 #14 · Very Slow Autofocus


cheap slow lens and/or poor light.

On which lens and body are you experiencing the problem?



Feb 20, 2012 at 07:47 PM
omarlyn
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p.1 #15 · p.1 #15 · Very Slow Autofocus


Tommy_D wrote:
Using a manual focus lens.





Feb 20, 2012 at 07:51 PM





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