Tag Archives: 28560mm

Canon Patents EF 28-560mm f/2.8-5.6L USM

According to the Egami Blog, Canon has filed the patent for an EF 28-560mm f/2.8-5.6L USM optical formula. Considering the specs of the lens, “IS” would likely be included (though not precisely specified). Patent Details  Patent Publication No. 2016-142795 Published 2016.8.8 … Continue reading

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Canon Patents EF 28-560mm f/2.8-5.6 Optical Design

According to the Egami Blog, Canon has patented the optical design for an EF 28-560mm f/2.8-5.6. With full-frame coverage, a huge focal range and an f/5.6 maximum aperture at the lens’s longest extent, this would be a very enticing lens for … Continue reading

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