Patent: Lots of Big White Lens Patent Applications Surface

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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 ...
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Auteur : Canon Rumors
Editeur : Canon Rumors
Catégorie : EF 800 f/5.6L IS II

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