Patent: Canon RF 70-200mm f/2-2.8L IS USM DS and other fast DS zoom lens designs

Over the years I've seen some crazy designs patented by Canon and applications like this one are fun to read. I mean, here's a patent application where someone was told. “Go nuts, see what you can do”.

Let's make no mistake the lenses described here would be big, heavy, and frighteningly expensive but we are [. . . ]

The post Patent: Canon RF 70-200mm f/2-2. 8L IS USM DS and other fast DS zoom lens designs appeared first on Canon Rumors.

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canon patent designs

2023-12-2 16:04

canon patent → Ðåçóëüòàòîâ: 126 / canon patent - ôîòî


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

Ôîòî: petapixel.com

New Canon Patent Describes a Hybrid Speedlight with a Built-In Cooling Fan

We’re not sure if adding airflow to various photography gear counts as “innovation,” but yet another Canon patent has been unearthed that shows just that. This time it’s not a DSLR or a lens, but a hybrid speedlight that Canon is planning to upgrade with on-board cooling. In case you missed it, we recently reported […] petapixel.com »

2019-11-04 22:31