Testing 2nd hand lens: your advises

Started Jul 14, 2003 | Discussions thread
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nir-vana
nir-vana Forum Member • Posts: 73
Testing 2nd hand lens: your advises

Hello

I'm about to buy Canon 100-400L 2nd hand from another person.

This is the first time I buy such expensive lens, and also the first time to buy used one.
How can I test it to ensure that it's 100% ok ?

Of course, I should look for scraches, dust and focusing, but I'd like to hear suggestions for more complicated tests.

Nir Oren

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