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
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In this patent application (2024-101302), Canon discusses some unique telephoto lenses. Most of the lenses in here would be eye-watering priced, so hold onto your credit cards. Just in case. The primary purpose of this patent application is to explore designs that are reduced in size and weight for the given large aperture. According to [...] Source canonrumors.com »
2024-07-31 05:05
This patent application (2024-101645) has a bunch of embodiments, allowing us to frame some observations about optical designs that we occasionally see here. It seems very likely that the first embodiment in this patent application is the RF 10-20mm f/4L IS STM. canonrumors.com »
2024-07-30 15:31
This is an interesting patent application (2024-090416) with some curious lens designs. What struck me mostly was that there seemed to be odd consistencies that you don't usually see in Canon patent application embodiments such as most of the lenses all the exact same size (95. canonrumors.com »
2024-07-05 07:39
Canon has applied for a patent on some apodization lenses for the EF mount. The following lens embodiments are included in the patent application; 50mm 1.4 35mm 1.4 24mm 1.4 US Patent Application 2018-0067333 canonrumors.com »
2018-03-08 20:01
It appears that Canon is continuing R&D into some kind of hybrid viewfinder for DSLRs. Canon News has uncovered a recent Japanese patent application from Canon for a hybrid viewfinder. Patent Summary: This one is a clever application where the EVF moves up with the mirror, to show the EVF image through the viewfinder. This Read more... canonrumors.com »
2017-11-18 16:40
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.
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 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.