In this patent application (2024-043481), Canon looks to improve the molded glass aspherical lens resin. According to Canon, the resins usually have a more difficult time with high humidity, as the optical performance changes with humidity.
But if they create a resin that resists high humidity, then it has a more difficult time bonding to [. . . ]
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Today, two more patent applications discussing quad-pixel auto-focus sensors have been published by the Japan Patent Office. The first patent application 2023-167634 deals with the fact that scan times will vary between row and column scanning, which could lead to inaccurate auto-focus performance.
Mirror lenses have a bad wrap, as most of the implementations out there are for long and slow lenses, this patent discovered by asobinet shoes that Canon has been working on fast aperture mirror lenses.
Just a month after the Canon R5 came out in 2020, Canon filed a patent application – published only this morning – That attempts to Read more... The post New Canon 600mm f/4 Design Uses Spotting Scope Trick appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.
Keith over at Northlight Images points to a patent application that includes designs for superzooms so wide in range that they appear to be versions Read more... The post Canon Patents Ludicrous Zooms appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.
Canon adds another patent application for apodization filtered lenses, this time for; 135/2.0 400/2.8 185/3.5 I’m not sure about the utility or expense of a 400/2.8 with such a filter, but a 135/2.0 sounds interesting. Japan Patent Application 2018-049102
Canon news discovered an APS-C zoom lens patent today, and noted this patent applies only for Canon’s powershot lineup. This patent application includes three zoom lenses; 18-85 2. 8-7. 6 18-105 2.