Tag: EF 600 f/4 DO IS

Patent: More diffractive optics super telephoto lenses

I'll be honest, the first 20 or so patents relating to diffractive…

Craig

Patent: Canon 500mm f/4 DO IS and Canon 600mm f/4 DO IS

It seems patent applications for diffractive optic super telephoto lenses is becoming…

Craig

The first RF mount super telephoto lens will be a DO lens [CR2]

A few weeks ago we mentioned that new DO lenses were on…

Craig

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…

Craig

At Least Two Big White Lenses Coming Ahead of Photokina [CR3]

We're told at least two new "big white lenses" are coming ahead…

Craig

Patent: Diffractive Optics Element Improvements

We continue to see new patent applications for diffractive optics technology. We're…

Craig

We’re Going to be Waiting a While Longer for the Canon EF 600mm f/4 DO IS

We all remember the 2015 Canon EXPO, and that glorious looking prototype…

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Multiple New Diffracitve Optics Lenses Coming from Canon in 2018 [CR2]

We learned about the development of the EF 600mm f/4 DO IS…

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Two New Big White Lenses Coming Next Year [CR2]

We're told that an internal presentation roadmap from Canon includes two "big…

Craig

Patent: Using Aluminum To Reduce Flare in DO Lens Elements

We continuously see new patents for diffractive optics lenses, something Canon continues…

Craig

Another Mention of Big White Lens Revisions [CR1]

We've been told that Canon is working on revisions to "some" of…

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Patent: Canon EF 600mm f/4 DO IS

A patent for the Canon EF 600mm f/4 DO IS has finally…

Craig