We've reported previously that certain Tamron lenses do not work fully with the Canon EOS 7D. The outer crosstype AF points do not work properly. It was discovered that Tamron used Lens ID's that Canon no longer supported.
Canon made official what we already knew.
The following cameras are affected.
- EOS 7D
- EOS 60D
- EOS 50D
- EOS 40D
The following Canon lenses are affected
- EF 35-80 mm 1:4-5,6
- EF 35-80 mm 1:4-5,6 II
- EF 35-80 mm 1:4-5,6 III
- EF 35-80 mm 1:4-5,6 USM
- EF 35-105 mm 1:4-5,6
- EF 35-105 mm 1:4-5,6 USM
- EF 80-200 mm 1:4,5-5,6 II
- EF 80-200 mm 1:4,5-5,6 USM
The following Tamron lenses are affected
- 17-50 f/2.8 VC
- 60 f/2 Macro
- 70-200 f/2.8
- 10-24 f/3.5-4.5
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