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Canon Patent: RF 100-300mm F/2.8L IS USM Lens

Canon Patent: RF 100-300mm f/2.8L IS USM Lens

A new Canon patent application was spotted. Canon patent application 2023099388 (Japan, published 7/13/2023) discusses optical formulas for what appears to be an RF 100-300mm f/2.8L IS USM lens for…

Save Big On Canon Cameras And Lenses

Save Big On Canon Cameras And Lenses

Some solid discounts are awaiting at two major and official US Canon resellers. Both B&H Photo and Adorama started a promotion on Canon gear. Adorama: Canon EOS R6 Mirrorless Digital…

Canon Patent: RF-S 10-14mm F3.5-4 Lens For APS-C

Canon Patent: RF-S 10-14mm F3.5-4 Lens For APS-C

After a long time, here is a new Canon patent application. Canon patent application 2023066202 (Japan, published 5/15/2023) discusses optical formulas for a RF-S 10-14mm F3.5-4 lens, i.e. a lens…

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…

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