Tag: patent

Sigma working on APS-C 50-140 f/2.8 and an external zoom full frame 70-200 f/2.8

A couple of optical formula patents from Sigma have appeared. There is…

Craig

Patent: Canon 35mm f/1.2 optical formula appears, along with a 12mm f/1.2

The Canon RF 35mm f/1.2L USM has been on our roadmap since…

Craig

Patent: Canon RF-S 15-70mm f/4 and RF-S 15-85mm f/2.8-4

There will obviously be more RF-S lenses coming coming this year as…

Craig

Canon box style cinema camera appears in patent again

It's been a few years since we first started reporting on the…

Craig

Patent: Canon RF 14mm f/1.4L IS USM & Canon RF 24mm f/1.4L IS USM

We have another optical formula patent for lenses that are likely to…

Craig

Patent: Canon RF 11-24mm f/4L USM

Our earlier report of a new ultra wide angle RF L lens…

Craig

Patent: Canon RF 300mm f/2.8L IS 1.4x plus other supertelephoto optical designs

One of the most popular, if not the most popular "big white…

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Patent: Canon takes the selfie stick to the next level

Here is an interesting patent that we never thought we'd see from…

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Patent: Optical formulas for a trio of wide f/1.8 prime lenses for the RF-S mount

A new patent showing off some lens element coating to help with…

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Patent: Internal liquid cooling of camera body

Keith over at Northlight Images uncovered a pretty cool patent pertaining to…

Craig

Patent: Canon presents some interesting fast zoom lens optical formulas

Canon appears to be working on some very fast zoom lenses for…

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