patent Archives - Canon Rumors - Your best source for Canon rumors, leaks and gossip

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

Canon Rumors — Fri, 20 Jan 2023 08:18:14 +0000

We have another optical formula patent for lenses that are likely to reach the market some time in the near future. This time we have formulas for a Canon RF 14mm f/1.4L IS USM & Canon RF 24mm f/1.4L IS USM. A fast RF L prime has been long rumoured, and an RF 24mm f/1.4L [...]

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

Canon Rumors — Wed, 18 Jan 2023 13:14:29 +0000

Our earlier report of a new ultra wide angle RF L lens coming in the first half of 2023 gets a related patent application for a similar optical formula, along with others. asobinet found and first reported on this patent. Canon RF 10-20mm f/4 Canon RF 9-18mm f/4 Canon RF 11-24mm f/4L USM Go to [...]

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

Canon Rumors — Tue, 04 Oct 2022 13:53:38 +0000

One of the most popular, if not the most popular “big white lens” is the Canon 300mm f/2.8L IS. We're still waiting to learn more about an RF version of the lens. It's our understanding that Canon has done a complete ground-up redesign for the RF 300mm f/2.8L IS USM. A new patent showing a [...]

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Patent: Canon takes the selfie stick to the next level

Canon Rumors — Tue, 27 Sep 2022 09:01:36 +0000

Here is an interesting patent that we never thought we'd see from Canon. This one is for a “selfie stick” with all sorts of controls. You can extend, retract and change the angle of the camera on the end. You also have control over the shutter button. Could this be the next unique product from [...]

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

Canon Rumors — Mon, 22 Aug 2022 17:11:07 +0000

A new patent showing off some lens element coating to help with ghosting and other anomalies has appeared alongside optical formulas for what appears to be RF-S prime lenses. Below are the three prime lens designs shown in the patent, we wouldn't be surprised for one of these to hit the market as a consumer [...]

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Patent: Internal liquid cooling of camera body

Canon Rumors — Thu, 18 Aug 2022 16:26:29 +0000

Keith over at Northlight Images uncovered a pretty cool patent pertaining to cooling of camera bodies. A lot has been discussed about this topic over the last couple of years. This patent shows Canon using magnets to pump the liquid through the cooling tubes, which I would think, would make this type of active cooling [...]

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Patent: Canon presents some interesting fast zoom lens optical formulas

Canon Rumors — Tue, 16 Aug 2022 16:21:57 +0000

Canon appears to be working on some very fast zoom lenses for the RF mount. I'm not sure any of these optical formulas will lead to actual products, but it's likely that these are part of the R&D for a more traditional zoom range with a fast aperture. These designs could be for the Cinema [...]

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Patent: Canon RF 100-600mm f/8-11 IS STM optical formula

Canon Rumors — Wed, 20 Jul 2022 13:36:18 +0000

A new optical formula patent application from Canon has been approved in the form of a Canon RF 100-600mm f/8-11 IS STM. As we have seen with the Canon RF 600mm f/11 IS STM and Canon RF 800mm f/11 IS STM, Canon isn't afraid of developing and releasing slower lenses. Canon has admitted to working [...]

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Patent: Very small large aperture zoom lens optical formulas

Canon Rumors — Tue, 21 Jun 2022 11:35:38 +0000

Canon has published a pretty interesting optical design patent for large aperture zoom lenses. The two designs in this patent are pretty interesting. Canon's goal in this patent To provide a zoom lens having a short total length and a small size but having high optical performance, and an image pickup apparatus having the same. [...]

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Patent: Canon RF APS-C pancake prime lens optical formulas

Canon Rumors — Fri, 10 Jun 2022 15:48:53 +0000

It looks like Canon will be bringing one or more RF-S prime lenses for the Canon EOS R7 and Canon EOS R10. One of the most requested RF-S lenses is unsurprisingly a pancake lens. Keith at Northlight Images uncovered a patent at the USPTO with what looks to be RF-S pancake optical formulas. None of [...]

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