Two New RF Lens Patents: RF 50mm f/1.8 and RF 70-250mm f4
Canon recently has filed two new lens patent for Canon RF mount: RF 50mm f/1.8 and RF 70-250mm f/4.
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Rumors: Canon RF 50mm f/1.8 IS USM Lens Coming in 2019
Along with RF mount f/2.8 zoom lens coming in 2019, according to CR, Canon may also announce another RF mount 50mm prime: RF 50mm f/1.8 IS USM lens in 2019.