Tag: RF 28 f/1.8

Patent: RF prime lenses including an RF 24mm f/1.4L USM and RF 50mm f/1.4 USM

Japan Patent 2021-18277A shows off a bunch of optical formulas for various…

Craig

Patent: Canon RF 28mm f/1.8 & RF 50mm f/1.8

The Canon RF lens lineup will obviously include more affordable non-L options,…

Craig