Canon Patent Application: Interesting Ultrawides

Richard CR · Jul 30, 2024

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. In short, if this is correct – I was wrong. Yes, we need

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Richard CR · Jul 30, 2024

I didn't realize the forum link didn't occur. all is good now!

P-visie · Jul 30, 2024

Asobinet also has supertele zoom patent applications: “Canon files patent application for "400-600mm F2.8-4", "300-600mm F2.8-4.5", and "70-300mm F4" optical systems”.

Google translated link.

Richard CR · Jul 30, 2024

P-visie said:
Asobinet also has supertele zoom patent applications: “Canon files patent application for "400-600mm F2.8-4", "300-600mm F2.8-4.5", and "70-300mm F4" optical systems”.

yes i have the patent up, was waiting until later to post.

I'm also an ultra wide bigot, i find them more interesting

P-visie · Jul 30, 2024

Richard CR said:
yes i have the patent up, was waiting until later to post.

I'm also an ultra wide bigot, i find them more interesting

They have their advantages. Birds seem to shrink in size when you get the telelens out of the bag, so more mm’s of focal length has advantages too. The 300-600 and 400-600mm, if they ever make it to actual products, will be breathtakingly expense.

Navism · Jul 31, 2024

Did Canon have 10mm prime patent?
I think they can make one.

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Canon Patent Application: Interesting Ultrawides

Richard CR

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