which may be launched before the Canon RF 200-500mm f4L IS USM, the RF 300-600mm f/5.6L IS USM. While there have been patents of the 200-500mm before, the 300-600mm lens only has designs of ...

Canon is reissuing an old lens for the RF mount, Sigma's Supertele is finally making an appearance, and "Content Credentials" are available to almost everyone.

One FLD element and three SLD elements are used to reduce color fringing and chromatic aberrations throughout the zoom range Super Multi-Coating also helps to suppress flare and ghosting for improved ...