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Canon Patent: RF-S 10-14mm F3.5-4 Lens For APS-C

Canon Patent: RF-S 10-14mm F3.5-4 Lens For APS-C

After a long time, here is a new Canon patent application. Canon patent application 2023066202 (Japan, published 5/15/2023) discusses optical formulas for a RF-S 10-14mm F3.5-4 lens, i.e. a lens…

Canon Patent: RF 100-300mm F2.8 X 1.4 Extender Lens

Canon Patent: RF 100-300mm F2.8 x 1.4 Extender Lens

A new Canon patent application for another RF mount lens. Canon patent application 2023018429 (Japan, published 2/8/2023) discusses optical formulas for an RF 100-300mm F2.8 x 1.4 extender lens. From…

Is Canon Developing A Mirror Lens With Auto-Focus?

Is Canon Developing A Mirror Lens With Auto-Focus?

That's what a Canon patent application seems to suggest, a 300mm f/2.3 mirror lens. Read on. Canon patent application 2023013456 (Japan, published 1/26/2023) discusses optical formulas for a 300mm f/2.3…

Firmware Update For Canon C70 Released

Firmware Update For Canon C70 Released

Canon released a firmware update for the Canon EOS C70, which resolves an issue that emerged in July 2022. Canon EOS C70 firmware 1.0.4.1 incorporates the following fix: 1. Fixes…

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