Patent: Canon is actively developing fast mirror lenses

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.

Whether these ever make it to market remains to be seen. Canon 300mm f/2. 4 Mirror Lens Canon 400mm f/5 Mirror [. . . ]

The post Patent: Canon is actively developing fast mirror lenses appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.

.

canon mirror lenses patent fast

2023-1-27 10:56

Источник: canonrumors.com

canon mirror → Результатов: 2 / canon mirror - фото


Patent: Is Canon planning to release catadioptric (mirror) super telephoto lenses?

Keith over at Northlight uncovered a USPTO patent showing various optical designs for catadioptric lenses, better known as mirror lenses. The advantages to mirror lenses Read more... The post Patent: Is Canon planning to release catadioptric (mirror) super telephoto lenses? appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip. canonrumors.com »

2021-05-13 13:51

Партнеры

Самое свежее

Canon Patent Application: More Quad Pixel Applications Emerge

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.

New Canon 600mm f/4 Design Uses Spotting Scope Trick

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.

Canon Patents Ludicrous Zooms

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 Patent application for more apodization filter lenses

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