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Canon Patent For 180mm f/3.5 DO Macro Lens

The EF 180mm f/3.5L Macro Egami (translated) spotted a new patent filed by Canon for a 180mm f/3.5 diffractive optic macro lens. Patent Publication No. 2014-137484 Published Date 2014.7.28 Filing date 2013.1.17…

Canon Lens Specials at Adorama

Adorama has special discounts for selected Canon lenses, all lenses ship free in the US and get 2% rewards: Canon EF 50mm f/1.4 USM - on sale for $339 (compare…

Canon Patent: 400mm F2.8, 500mm F4 And 600mm F4 Lenses

Canon Patent: 400mm F2.8, 500mm F4 And 600mm F4 Lenses

New Canon patent for you, ladies and gentlemen. Canon patent application 2024009238 (Japan, published 01/19/2024) discusses optical formulas for three telephoto prime lenses, all for fullframe mirrorless cameras. 400mm F2.8…

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