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Canon Patent: RF 100-300mm F2.8 X 1.4 Extender Lens

Canon Patent: RF 100-300mm F2.8 x 1.4 Extender Lens

A new Canon patent application for another RF mount lens. Canon patent application 2023018429 (Japan, published 2/8/2023) discusses optical formulas for an RF 100-300mm F2.8 x 1.4 extender lens. From…

A Praise For The Canon RF 28-70mm F/2L Lens

A Praise For The Canon RF 28-70mm f/2L Lens

Another review that highlights the virtues of the Canon RF 28-70mm f/2l lens for the EOS R full frame mirrorless system. Canon RF 28-70mm F/2L at a glance: RF-Mount Lens/Full-Frame…

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