Help evaluating a 70-200vr2

Started Jul 16, 2014 | Discussions thread
PHXAZCRAIG
PHXAZCRAIG Forum Pro • Posts: 14,062
Read this, it will help

I think you're probably correct in that you have an issue there. (Perhaps you have a shipping company that likes to drop-kick packages onto your porch?)

Here's a link to the Lensrentals 'how-to-test-a-lens' article. Much of this can be done easily by the average person with a tripod and some patience.

http://www.lensrentals.com/blog/2010/11/how-to-test-a-lens

But that's not all they have to offer. Here are two more articles more recent than the above:

This one, about testing for decentering, may be of particular interest.

http://www.lensrentals.com/blog/2012/05/testing-for-a-decentered-lens-an-old-technique-gets-a-makeover

And this one shows what images from a decentered lens looks like, from a lens that was dropped.  And it's on a Nikon 70-200...

http://www.lensrentals.com/blog/2012/08/a-tilted-element-demonstration

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Craig
www.cjcphoto.net

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