Canon Rumors Guy
Canon EOS 40D
- Jul 20, 2010
Gordan Laing from CameraLabs has completed his review of the Canon RF 70-200mm f/4L IS USM, in which he compares it directly to the EF 70-200mm f/4L IS USM II and the RF 70-200mm f/2.8L IS USM. I mean, you’re comparing 3 amazing lenses against each other, you can’t lose.
What makes the RF lens really special though is its size, little larger than a 330ml can when zoomed to 70mm and considerably more portable than the EF version, particularly when the adapter’s fitted for EOS R bodies. The extending barrel is a double-edged sword though as it’s way too soon to know about long-term sealing. Like the RF 2.8 version, the optical design sadly rules out the use of RF teleconverters and also results in significant focus breathing where the magnification reduces at...