Tamron will soon announce a new updated version of their current Tamron 70-180mm f/2.8 lens . I don’t know what optical improvements you will get on this new GII version.
Here is an optical comparison:
Tamron will soon announce a new updated version of their current Tamron 70-180mm f/2.8 lens . I don’t know what optical improvements you will get on this new GII version.
Here is an optical comparison: