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Registered: ‎12-07-2012

Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

"My first thought is user error."

I'm sticking with my first thought.  You need to learn how to use the camera or let someone else do it.

EOS 1DX and 1D Mk IV and several lenses!
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Registered: ‎06-25-2014

Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges


@ebiggs1 wrote:

"My first thought is user error."

I'm sticking with my first thought.  You need to learn how to use the camera or let someone else do it.


You may very well be right. But the diagnosis isn't particularly helpful unless you can at least provide a plausible speculation as to what that user error might be.

Bob
Philadelphia, Pennsylvania USA
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Registered: ‎08-13-2015

Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges


@ebiggs1 wrote:

"My first thought is user error."

I'm sticking with my first thought.  You need to learn how to use the camera or let someone else do it.


"User error" implies that you did not miss the boat.  This person is at the train station.

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"Doctor told me to get out and walk, so I bought a Canon."
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Registered: ‎10-04-2019

Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

I don't know why " User Error " i need logical reason and why this problem with all photos with different settings with this lens , i have experience pro photography .
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Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

"i have experience pro photography ."    Smiley Surprised

EOS 1DX and 1D Mk IV and several lenses!
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Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges


@ahmedbasha wrote:
I don't know why " User Error " i need logical reason and why this problem with all photos with different settings with this lens , i have experience pro photography .

You have experience.  Great!  Post a sample image that is bigger than 35kB and contains EXIF data.  So far, you posted nothing that demonstrates your problem.  Your posted exposure settings do not make any sense, either.  

 

The forum rules state that you to post images up to 5MB,  In the real world there is some overhead space needed to store the photo, so you cannot post files that large.  The maximum file size that I use is about 4.5MB.  Bigger files get rejected.

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"Doctor told me to get out and walk, so I bought a Canon."
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Posts: 37
Registered: ‎04-01-2019

Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

From what I can see, the left side of the photo is blurred, while the center is more in focus. It appears that the lens needs to be repaired.

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Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

"I don't know why " User Error " i need logical reason ..."

 

OK, my friend, here it is.  This is a problem and if you set it purposely for that shot it is an error.

 

( Shutter speed 30" , ISO 230 , f/7 , 16mm , WB : K5200 )

 

ISO 230 ? Smiley Frustrated Really?  And, f7 ?  Not f5.6 or f8 but f7 ? There is f6.3 and f7.1 but you choose f7 ?

EOS 1DX and 1D Mk IV and several lenses!
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Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges


@5DIV wrote:

From what I can see, the left side of the photo is blurred, while the center is more in focus. It appears that the lens needs to be repaired.


How did you reach that conclusion?  The 35kB images have a 400 x 267 resolution.  At best, they are inconclusive.  I would compare them to the thumbnails displayed in DPP when you select a file to edit.

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"Doctor told me to get out and walk, so I bought a Canon."
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Re: problem with ( canon 16-35mm 2.8 II ) Blur Edges

[ Edited ]

I can see it in my monitor. The left side especially is blurred and the lights are shown as short lines instead of points of light. In the center, the lights are more point-like. Those pictures are not the best to diagnose a problem, I agree, but I see the center as being more in focus than the left side.

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