Canon 45mm f/2.8, 40mm f/2.8, 35mm f/2.8, 28mm f/2.8 Pancake Lens Patents

40mm f2.8 pancake lens
EF 40mm f/2.8 STM Pancake Lens

Here are some new pancake lens patents from Canon. A total of 4 pancake lenses to be announced. They are Canon EF 45mm f/2.8Canon EF 40mm f/2.8Canon EF 35mm f/2.8Canon EF 28mm f/2.8.

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