Patent: More diffractive optics super telephoto lenses
I’ll be honest, the first 20 or so patents relating to diffractive optics lenses had me excited about what was coming down the pipeline. However, Read more... canonrumors.com »
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Patent: 500mm and 600mm diffractive optic lenses
Here is another in a long line of diffractive optics patents we’ve seen from Canon over the last couple of years. Since the Canon EXPO Read more... canonrumors.com »
2018-12-29 18:33
New diffractive optics super telephoto lenses on the way, with a new twist….. [CR1]
We’re told that new diffractive optics super telephoto lenses are on the way, but they may not be for the EF mount. An unknown source Read more... canonrumors.com »
2018-10-17 19:56
Patent: Diffractive Optics Element Improvements
We continue to see new patent applications for diffractive optics technology. We’re all still waiting to see if the EF 600mm f/4 DO IS will become an actual consumer product, or if Canon is going to take things in a different direction. canonrumors.com »
2018-5-25 18:24
Patent: More Diffractive Optics Supertelephoto Formulas
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. Read more... canonrumors.com »
2018-5-4 18:15