We’ve seen the patent, and soon we’ll see the lens. Tamron is going to join Sigma and Canon with their own 100-400mm lens. The Tamron will be faster than the Sigma at the short end with an f-stop of 4.
5 and slower than Canon at the long end at f/6. 3. The new lens will obviously Read more. . . . canonrumors.com
2017-9-15 23:35