Canon Patents RF 135mm f/1.4L USM DS
Canon has submitted patents for three new lenses, most exciting of which is an RF 135mm f/1.4L USM DS lens. Canon’s current version of the lens is the EF 135mm f/2L USM was released in 1996, making the lens over 25 years old at the time of writing. Canon RF 24mm f/1.4L USM DS Focal […]
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