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Stonecherub

Tucson, US
27 posts

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Stonecherub Silver Member Nikonian since 03rd Jan 2011
Mon 21-Nov-11 10:14 PM

I had a very unsatisfactory session in the field with my volcanoes last weekend and came to suspect my camera.

I ran some tests today on a parking garage with sharp edge detail in the blocks. It is about 70 m distance, scattered clouds, 11am Tucson time. ISO set to 1 EV under to reduce sensitivity.

The camera is a Nikon D5000 with 18-200 FS Nikor G II on a solid tripod mount These images are selections from the left, center, and right parts of the photos at various f stops and zoom levels of 18, 35 and 70mm. Clearly, the left side of the field is sharper than the center and that sharper than the right. Wide open the lens is a coke bottle bottom.

Is there anything I can do other than replacing the lens with something of a higher quality? If it is a matter of repair, where?

I have no idea whether there are nine files attached or not.

Click on image to view larger version


Attachment #1, (jpg file)

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