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Digital Photography

Patent: More Diffractive Optics Supertelephoto Formulas

on May 3, 2018

Canon News has uncovered another diffractive optic patent for supertelephoto optical formulas has shown up at the USPTO. This patent covers the following: EF 200mm f/2 EF 400mm f/2.8 EF 800mm f/5.6 Canon continues to work away at more and more diffractive optics development, but we’re still waiting to see new products come to market

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Patent: More Diffractive Optics Supertelephoto Formulas


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