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sharpness: my perpetural struggle

bobpilot

Washington, US
3509 posts

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bobpilot Silver Member Nikonian since 08th May 2007
Tue 29-Jan-13 07:19 PM

I leave Yellowstone in a few weeks so I've been practicing with my 60mm lens. I am not able to produce sharp images, some are better than others, and I don't know why. The attached image is the best of four. It is not sharp; see the 'halo' on the side of the bolt? This shows me that I am not getting a sharp image or at the least there is an error somewhere. Or am I expecting too much? With reference to the scale shown on this screen capture on ViewNX, this image is 1:1.

Gitzo 3530 tripod with a RRS pano base with a RRS long lens support package.
Nikon D3s
Nikon 600mm lens
Focus Mode: AF-S
AF Area Mode: Single
Shutter Release Delay: ON
1/500; f/6.3, ISO 400
Spot metered.
I am rolling my finger over the shutter release
My hand is resting on top of the lens
I am pausing for a moment before rolling my finger over the shutter release.

What I am I missing? I see images posted here of birds in flight that are tack sharp and I can't get a bolt on a swing-set sharp. At this rate I'll come back from Yellowstone with no sharp images. If that happens, my gear goes up for sale and will find a new hobby.


Click on image to view larger version


Attachment #1, (jpg file)

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     Reply message I don't think it's your tripod Bob....
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     Reply message RE: I don't think it's your tripod Bob....
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          Reply message Shoot a ruler at 45 degrees Bob...
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     Reply message There's no need for this...
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     Reply message Post them here Bob...
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          Reply message RE: Post them here Bob...
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               Reply message Sorry, shoot wide open Bob...
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          Reply message f/4 2000 ISO; 1/800
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               Reply message Focus looks pretty good to me Bob...
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                    Reply message RE: Focus looks pretty good to me Bob...
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Reply message Bob, did you re-shoot that bolt?
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