Today Canon(Canon JP & DE.) officially Acknowledged AF issues with listed below telephoto EF lenses.
Products (camera)
EOS 7D
EOS 40D
EOS 50D
EOS 60D
Products (lens)
EF35-80mm F4-5.6
EF35-80mm F4-5.6 II
EF35-80mm F4-5.6 III
EF35-80mm F4-5.6 USM
EF35-105mm F4.5-5.6
EF35-105mm F4.5-5.6 USM
EF80-200mm F4.5-5.6 II
EF80-200mm F4.5-5.6 USM
Canon Rumors previously reported that Tamron lenses do not work fully with the Canon EOS 7D. The outer crosstype AF points do not work properly. Tamron used Lens ID’s that Canon no longer supported.
The following Tamron lenses are also affected
- 17-50 f/2.8 VC
- 60 f/2 Macro
- 70-200 f/2.8
- 10-24 f/3.5-4.5