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FORUMS Photography Talk by Genre Sports Talk 
Thread started 21 Aug 2012 (Tuesday) 13:08
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OK...what am I doing wrong?

 
tj3775
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Aug 21, 2012 13:08 |  #1

It seems to me that this image is off (looks OOF). Does the camera need to be serviced? (never had one serviced before). I resized it so I could send it but other than that, nothing else is changed


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blam
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Aug 21, 2012 13:13 |  #2

EXIF? what lens?

show us a 100% crop on the point of focus please.




  
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tj3775
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Aug 21, 2012 13:31 |  #3

blam wrote in post #14887608 (external link)
EXIF? what lens?

show us a 100% crop on the point of focus please.

The EXIF data appears to be there...The lens is a Tamron 70-200 f 2.8 that I recently had to send to Tamron for repair (it would give a communcation error).




  
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waterrockets
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Aug 21, 2012 13:53 |  #4

It's tough to tell with that small of an image, but I'm pretty sure we're seeing some motion blur. 1/500 is the bare minimum shutter speed, but I really like to be over 1/1000 for sports, unless I'm trying for a motion blur effect (like bike racing).

At f/8, you're unlikely to miss focus badly if you got the right part of the scene under the right focus point.

Are you on manual AF point selection? AI-Servo? Was this a single shot, or part of a short burst?

Try some shots at f/2.8 with a fast shutter and see how you do. Center point focus, with the spot on his numbers, AI-Servo, with about 1 second of focus tracking before you fire.


1D MkIV | 1D MkIII | 550D w/grip & ML| EF 70-200mm f2.8L| EF 24-105mm f4L IS | Canon EF 100-400mm f/4.5-5.6L IS | Samyang 14mm f/2.8 IF ED UMC | 430EXii | EF 50mm f1.8

  
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tj3775
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Aug 21, 2012 14:26 |  #5

waterrockets wrote in post #14887786 (external link)
It's tough to tell with that small of an image, but I'm pretty sure we're seeing some motion blur. 1/500 is the bare minimum shutter speed, but I really like to be over 1/1000 for sports, unless I'm trying for a motion blur effect (like bike racing).

At f/8, you're unlikely to miss focus badly if you got the right part of the scene under the right focus point.

Are you on manual AF point selection? AI-Servo? Was this a single shot, or part of a short burst?

Try some shots at f/2.8 with a fast shutter and see how you do. Center point focus, with the spot on his numbers, AI-Servo, with about 1 second of focus tracking before you fire.

Yeah.the shutter was 1/500th. So its might have been a tad low. The camera was set to AI Servo and it was expanded center point for the focus. Ive never shot but 2 previous football games before..did OK for my first time out I think..but this was the first one I'd did after having the lens sent in for repair. Would it have made a difference if I'd been at say f.2.8? The sun was very bright in the evening sky. I started at f 2.8 and with an iso of 400 but it seems that would have been very overexposed.




  
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RSB
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Aug 21, 2012 15:04 |  #6

tj3775 wrote in post #14887917 (external link)
I started at f 2.8 and with an iso of 400 but it seems that would have been very overexposed.

Not if you were shooting in AV mode. Stay at iso400 until your ss drops to below 1/1000th, then up your iso as needed to keep you ss above 1/800th.


Randy Brister, Cr.Photog.

  
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tj3775
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Aug 21, 2012 15:41 as a reply to  @ RSB's post |  #7

Yeah...here is a cropped file...might help

I know..the lighting sucks....but it was one of those things...


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blam
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Aug 21, 2012 15:52 |  #8

looks like motion blur




  
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RSB
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Aug 21, 2012 16:38 as a reply to  @ blam's post |  #9

I agree, looks more like motion blur than being OOF. A monopod and a higher shutter speed would probably do wonders.


Randy Brister, Cr.Photog.

  
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OK...what am I doing wrong?
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