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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…

Canon RF-S 18-150mm F/3.5-6.3 IS STM Review

Canon RF-S 18-150mm f/3.5-6.3 IS STM Review

Here is a Canon RF-S 18-150mm f/3.5-6.3 IS STM review. This is one of the less expensive lenses for the RF mount. At a glance: RF-S-Mount Lens/APS-C Format 29-240mm (35mm…

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