Patent: Lots of Big White Lens Patent Applications Surface

New patents for supertelephoto optical formulas have appeared at the USPTO. The range of formulas is quite vast, all the way from a new EF 300mm f/2.8L IS to a new EF 800mm f/5.6L IS design. We do think there will be some new “big white” lenses announced in the next 12 months, not including Read more...

patent lots big white lens applications surface

2017-12-8 01:00

Источник: canonrumors.com

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