Iwan Bogels wrote:
What a coincidence ! I noticed the very same thing yesterday. So far I
didn't find anything unusual in my results, but I would be interested to
know if the wobble does make a difference in sharpness. Otherwise I may
think of buying the old 28-105 back again.
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The barrel is not as tight as other Canon lenses and it may seem to "wobble"
just a bit. After a few years with mine there have been no incidents where
this affected sharpness. FWIW, the 28-135 is sharper than the 28-105 at the
wider apertures. Plus you get a longer 135mm and IS, why go back to the
stone ages?
Peter K
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