Very Slow Autofocus

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Archive 2012 · Very Slow Autofocus

alritter
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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 · Very Slow Autofocus

piss poor light

Feb 20, 2012 at 02:23 AM

Pixel Perfect
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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 · Very Slow Autofocus

Very low contrast subject.

Feb 20, 2012 at 03:24 AM

EB-1
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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 · 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 · 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 · Very Slow Autofocus

Use of a teleconverter.

Feb 20, 2012 at 12:37 PM

Ralph Conway
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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 · 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 · 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 · Very Slow Autofocus

Forgetting to remove lens cap.

Feb 20, 2012 at 04:16 PM

Tommy_D
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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 · 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 · Very Slow Autofocus

Tommy_D wrote:
Using a manual focus lens.

Feb 20, 2012 at 07:51 PM

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