As a 1.4x teleconverter, the focal length of the attached lens is magnified by a factor of 1.4x, with a 1 f/stop reduction in aperture rating, so a 70-200mm f/2.8 zoom effectively becomes roughly a ...

The EXTENDER RF 1.4x and EXTENDER RF 2x are for press, nature and sports photographers looking to capture subjects at great distance. Reliable and durable, these extenders match the performance of ...

Canon announces the development of the RF 100-500mm f/4.5-7.1 L IS USM, Extender RF 1.4x and Extender RF 2x.

The Canon RF 100mm F2.8L MACRO IS USM is a new macro autofocus prime lens for Canon's full-frame mirrorless cameras that offers 1.4x magnification and an adjustable Spherical Aberration Control ring.