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FORUMS Photography Talk by Genre General Photography Talk
Thread started 16 Mar 2017 (Thursday) 14:07
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AF playing up

 
rooeey
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Mar 16, 2017 14:07 |  #1

MY 1D MK1V AF is playing up.

Only working intermittently.

Have tried different lenses and it does make a difference ..Better but not great on 70-200 extremely poor on my 24-70..

Was thinking of changing settings or resetting all settings...I am shooting some indoor stuff with moderate lighting and moving people...Any tips to help try and analyze the problem would be appreciated.


1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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Dan ­ Marchant
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Mar 17, 2017 01:34 |  #2

what AF mode are you using?


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rooeey
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Mar 17, 2017 02:08 as a reply to Dan Marchant's post |  #3

Its on default setting


1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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john ­ crossley
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Mar 17, 2017 02:59 |  #4

rooeey wrote in post #18302608 (external link)
MY 1D MK1V AF is playing up.

Only working intermittently.

Have tried different lenses and it does make a difference ..Better but not great on 70-200 extremely poor on my 24-70..

Was thinking of changing settings or resetting all settings...I am shooting some indoor stuff with moderate lighting and moving people...Any tips to help try and analyze the problem would be appreciated.

Are you using ONE-SHOT or AI SERVO?


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Bassat
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Mar 17, 2017 04:16 |  #5

The AF on the 1DIV is highly configurable. If it is in AI-Servo, it could be acting properly for how it is set up. Set all the C.Fn. III options back to default. Better yet, report the settings here, along with what problems you are having. We can quickly help you decide if it is malfunctioning, or behaving as expected.


Tom

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rooeey
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Mar 17, 2017 05:07 as a reply to john crossley's post |  #6

one shot


1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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rooeey
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Mar 17, 2017 05:08 as a reply to Bassat's post |  #7

I put everything back to default and just does not foucs like it should..

Slow intermittent and innacurate.

Maybe time for a service..Its better with some lenses than others


1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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john ­ crossley
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Mar 17, 2017 05:36 |  #8

rooeey wrote in post #18302608 (external link)
...and moving people...

rooeey wrote in post #18303149 (external link)
one shot

You need to use AI SERVO


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Bassat
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Mar 17, 2017 05:51 |  #9

rooeey wrote in post #18303150 (external link)
I put everything back to default and just does not foucs like it should..

Slow intermittent and innacurate.

Maybe time for a service..Its better with some lenses than others

That is an ambiguous statement. What is the subject doing when you are trying to capture. Stationary? Running toward/away from you? Randomly changing direction/velocity? What kind of light are you shooting in? Do these lenses work as expected on other cameras? If you are trying to shoot moving targets with fast glass, wide open, in One-Shot, forget it.

If the camera is set up to instantly switch targets, you'll never get it track properly. If it is set up to track one subject, it will never switch quickly to a new target. Yadda-yadda. You seem to have some good glass.

Perhaps posting an example with EXIF intact would help.


Tom

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rooeey
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Mar 17, 2017 14:32 |  #10

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1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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rooeey
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Mar 17, 2017 14:36 as a reply to Bassat's post |  #11

Ok never really use the CFs too much had a MK111 before and AF was snappy this just seems sluggish and innacurate.1D MK1V is a lot of camera for me.

Shooting Crossfit Athletes inside reasonable lighting with skylights.

How might one suggest configuration for CFs fpr this ?


1D MK111 , 5D Classic,24-70F2.8, 16-35F2.8, 70-200F2.8 IS a 430EXII 2x 580EXII and a Mac...:cool:
http://s229.photobucke​t.com/albums/ee124/roo​eey/external link

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Bassat
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Mar 17, 2017 15:00 |  #12

f/3.2 - 70mm - 10' ? You are dealing with a DOF of less than 1 foot. You are shooting a moving target at 1/80. Image Stabilization doesn't do anything for a moving target. I would expect a blurry photo with those parameters. The 1DIV works well at 6400, but even that isn't going to help this photo much. You need more light.


Tom

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Tom ­ Reichner
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Post has been last edited 7 days ago by Tom Reichner. 3 edits done in total.
Mar 17, 2017 18:54 |  #13

.

rooeey wrote in post #18303530 (external link)
70mm | 1/80 | f/3.2 | ISO 3200
thumbnailHosted photo: posted by rooeey in
./showthread.php?p=183​03530&i=i215772731
forum: General Photography Talk

rooeey wrote in post #18303534 (external link)
Shooting Crossfit Athletes inside reasonable lighting with skylights.

Actually, 1/80th of a second at f3.2 and 3200 ISO doesn't sound "reasonably lit" to me - it sounds like very challenging conditions in a poorly lit area.

Bassat wrote in post #18303562 (external link)
I would expect a blurry photo with those parameters.

I concur. If conditions are so poor that you have to shoot a moving subject at these settings, you probably aren't going to get the kind of results you are looking for, no matter what settings you use.

.


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Bassat
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Mar 17, 2017 19:00 |  #14

I might add here that my 1DIV is absolutely amazing with AI-Servo auto focus. I use it mainly for daytime outdoor athletics and sports events. Different worlds entirely.


Tom

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AF playing up
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