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Are de-kitted lenses more prone to sample variation?

Started Jul 12, 2016 | Discussions thread
(unknown member) Senior Member • Posts: 2,180
Re: Lens burn-in
1

assaft wrote:

Danielvr wrote:

I will probably take the risk and order a non-kit version, hoping this sample will perform better than the one I got with the GX80.

If you're going to test the lens for decentering, apparently you shouldn't do so straight out of the box but give it some exercise first; repeatedly zoom it in and out, focus it close and afar, gently tap its sides, et cetera. That should help all parts and elements fall into place and wear in a bit. After that, its performance should/could be more representative of how it will perform in the years to come (I think I read about this at the lensrentals site, but I can't find the post in question anymore. Still, I thought it made sense).

Thanks for the tip!

If anything moves enough to even measurably distinguish the performance immediately out of the box to after "settling" - something was done very badly at the factory.

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