Canon EF 100mm f/2.8 Macro USM loose focusing ring? I ordered a new Canon EF 100mm f/2.8 Macro USM Lens from Amazon; which arrived in shaky boxing.
On mine -- the focusing ring seems a little bit loose (jiggles a little length-wise when operated). Is this normal for this innner focusing lens?
The local camera stores don't have one, to look over and compare it against. Posted the question on some photographing forums; but no answer yet -- and I want to return it in time, if this is not correct.