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Of possible interest to some of you wishing for technical perfection
#1

http://www.lensrentals.com/blog/2011/10/...-variation
I am frankly not sure what to do about it. My sense is that I would know I have a problem if things were way out of whack. That is fairly rare it seems. For now I will assume that my equipment is fine unless there is a cheap, simple and safe way to check and adjust.

Pavel

Please see my photos at http://mullerpavel.smugmug.com (fewer, better image quality, not updated lately)
or at http://www.flickr.com/photos/pavel_photophile2008/ (all photos)
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#2

Likewise! This should get the DPReview peepers clucking away merily. I just hit my lenses with a hammer if they don't behave.

Big Grin

All my stuff is here: www.doverow.com
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My band TRASHVILLE, in which I'm lead guitarist: http://www.youtube.com/watch?v=Z6mU6qaNx08
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#3

...and what would you do about it, anyway, if you discovered one of your lenses was faintly sub-optimal. Return it? Would they take it?

Great tool for the obsessive peepers suffering from pixel-envy.
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#4

Not good reading for the obsessive compulsive among us! Big Grin

I've got a couple of thoughts:
1) if you find a good copy, guard it with your life
2) with autofocus, as long as it is consistent, some bodies give you the ability to compensate
3) put your lens through its paces when you first acquire it, if not happy, return / exchange straight away until you get one you're happy with

I like Toad's advice though... for situations when harsh language isn't enough. Big Grin
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#5

@Julian
Quote:put your lens through its paces when you first acquire it
. How? How will I know it is worse than others? The last time I got Matthew to pick for me. The best thing I ever did. My 16-85 is great

Pavel

Please see my photos at http://mullerpavel.smugmug.com (fewer, better image quality, not updated lately)
or at http://www.flickr.com/photos/pavel_photophile2008/ (all photos)
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#6

Pavel Wrote:@Julian
Quote:put your lens through its paces when you first acquire it
. How? How will I know it is worse than others? The last time I got Matthew to pick for me. The best thing I ever did. My 16-85 is great

Pavel
Answer ... Give it to Matthew for a 36 month test. Big Grin

Lumix LX5.
Canon 350 D.+ 18-55 Kit lens + Tamron 70-300 macro. + Canon 50mm f1.8 + Manfrotto tripod, in bag.
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#7

@NT73
Quote:Answer ... Give it to Matthew for a 36 month test.
Good thought - except that he is already "testing" too many cameras/lenses. I would hate to add additional burden when he has to decide which one of his camera/lens combination will get a day out. Like a man with way too many wives.

Please see my photos at http://mullerpavel.smugmug.com (fewer, better image quality, not updated lately)
or at http://www.flickr.com/photos/pavel_photophile2008/ (all photos)
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