Along with the Canon RF 100-500mm f/4.5-7.1L IS USM and RF 85mm F2 Macro IS STM Lenses, Canon has announced two new telephoto lenses in the RF line of fixed focal length lenses for mirrorless cameras: the Canon RF 600mm F11 IS STM and Canon RF 800mm F11 IS STM. The RF 600mm F11 IS STM is built of 10 …
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