Canon Patent Application: Miniaturization of built-in teleconverter

In this Japan Patent Application, JP 2023-118490, Canon is investigating creating smaller built in teleconverters for use in lenses that we would normally not expect to see a teleconverter installed in.

The idea of this patent application is to make the mechanism and the sliding out of the optical elements that make up the teleconverter [. . . ]

The post Canon Patent Application: Miniaturization of built-in teleconverter appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip.

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canon patent application teleconverter

2023-8-25 09:23

Источник: canonrumors.com

canon patent → Результатов: 126 / canon patent - фото


Canon Inc. Places in Top-10 in U.S. Patent Rankings for 41st Straight Year, Ranks First for U.S. patents granted among Japanese companies for 20th Consecutive Time

In 2024, Canon ranked ninth in the number of patents registered in the United States Patent and Trademark Office (USPTO), placing it in the world’s top 10 for 41 consecutive years, according to IFI CLAIMS Patent Services, a US-based patent research firm. canonrumors.com »

2025-01-20 16:07

Canon Patent Application: Small Primes for Compact APS-C and Full Frame

At first, when I was writing up this patent application (2024-082112), I was leaning toward what others are mentioning on the internet that these are for ILC (interchangeable lens cameras) but after reading more, and looking at the back focus distances involved, I think it's more likely that these are for a compact rangefinder styled [...] Source canonrumors.com »

2024-06-19 08:20

Canon Patent Application: Lens Magnetic Flux Improvements

In this patent application (2024-072582) Canon discusses improving the magnets that drive the motors on various lenses that attach to the camera. This is to prevent the magnetic flux from causing image artifacts especially at high ISO when the sensor is operating at a extremely high level of amplification and thus, sensitivity. I seem to [...] canonrumors.com »

2024-05-29 05:59

Canon Patent Application: Canon TS-R lenses

Do you remember those two patent applications here and here that we talked about Canon looking at doing motorized tilt and shift with the possibility of fine AF control as well? Well, those patent applications were based on a different kind of tilt-shift lens, which involved moving elements instead of shifting and swinging the entire [. canonrumors.com »

2023-11-09 18:00

Patent: Canon continues to develop fast RF prime lens optical formulas

Canon continues to patent optical formulas for fast RF mount prime lenses. This patent deals with limiting aberration fluctuation when focusing. Canon is currently missing Read more... The post Patent: Canon continues to develop fast RF prime lens optical formulas appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip. canonrumors.com »

2021-12-27 22:16

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Canon Patent Applications: Canon Zoom lenses

This patent application (Japan 2023-125903) has a lot of esoteric fast zoom lenses in some very nontraditional focal lengths. Many of the embodiments are missing the image height, however since we also have the half angle of view, we can work backward to verify if these lenses are meant for full frame or for APS-C.