Hi all,I am contemplating on purchasing a 70-200 which has a wobbly rear barrel. Is this potentially due to loosened screws or it can have other issues that may cause this? Also does a wobbly front or back barrel cause focusing issues?
Hi I recently serviced my EF 24-70 2.8 1 st generation lens at a local servicing store and upon receiving it back it seems that the lens is wider at 70 mm than my EF 70-300 F4-F5.6.I took it back to the serviced and they are quite baffled because acc...
The 24-70 needed the superstore mechanism to get fixed as it died and was locked at a very high F stops. The repair shop had to replace the mechanism and realign the glass to canon specifications
I did not run a comparison prior to the repair per se, however I did observe that at 70mm the magnification through my view finder of the 5D mark3 was always greater than 1:1. This is still true for my EF 70-300 where the magnification is slightly hi...
