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Canon Patents

Patent: CN-E 35-260mm f/2.8 Soft Focus Lens

By Canon Rumors | January 10, 2015

Canon has published a patent for a new zoom cinema lens with a soft focus mechanism. The lens is for the Super 35 image sensor size. Patent Publication No. 2014-235203 (Google Translated) Published 2014.12.15 Filing date 2013.5.31 Example 3 Zoom ratio 7.50 The focal length f = 34.00-68.00-102.00-136.00-254.99mm Fno. 2.70 Half angle ω = 24.58-12.88-8.67-6.52-3.49 […]

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Patent: Plastic/Resin Mount for DSLRs

By Canon Rumors | January 2, 2015

A patent showing a metal & plastic resin mount for DSLRs is available to view. The plastic part of the mount seems to be for a much smoother mounting and dismounting of lenses. There could also be some weight and cost savings for lower priced cameras like the EOS Rebel line. Patent Publication No. 2014-240858 (Google […]

Patent: EF-M 70-400 f/4.5-7.2 STM

By Canon Rumors | December 9, 2014

A patent for a new supertelephoto zoom optical formula for the EOS M system has surfaced in the form of an EF-M 70-400 f/4.5-7.2 STM. Patent Publication No. 2014-228734 (Google Translated) Published 2014.12.8 Filing date 2013.5.23 Example 3 Zoom ratio 5.58 The focal length f = 69.59-251.52-388.00mm Fno. 4.68-6.30-7.00 Half angle ω = 11.11-3.11-2.02 ° […]

Patent: Sensor Technology

By Canon Rumors | November 29, 2014

A new sensor patent from Canon has appeared and continues to add to what are sure to be new full frame sensors next year. NL breaks down the patent… “Patent from Canon that varies the sensitivity of pixels by positioning the photon detection zone deeper in the design.” Source: [EG] via [NL] cr

Patent: Contact Cleaning Body Cap

By Canon Rumors | November 26, 2014

Here’s a fun one, howabout a body cap that cleans the contacts in the camera every time you put it on and take it off? Mix that with a backcap that does the same and that should eliminate those pesky contact errors. Patent Publication No. 2014-219568 Published 2014.11.20 Filing date 2013.5.8 Canon patent Body cap […]

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