The inspiration behind Canon's RF 600mm F11 and 800mm F11 super-tele lenses
In July, Canon announced a pair of super-telephoto fixed-aperture lenses for its RF lens mount. The new RF 600mm F11 IS STM and RF 800mm F11 IS STM lenses are distinct among Canon's modern offerings but are reminiscent in design and philosophy to some of Canon's R lenses from 1960. dpreview.com »