A new Canon patent showcases RF mount telephoto prime lens. Canon patent application 2022-043436 (Japan) discusses optical formulas for a RF 100mm f/2 lens.
As of writing it’s not clear if this will have the same macro features like the RF 100mm F2.8L Macro IS USM which is the world’s first AF macro optic.
Canon RF 100mm f/2 Lens
Example 1
- Focal length: 130.77
- F value: 2.06
- Half angle of view: 9.39
- Image height: 21.64
- Overall length: 132.51
- Back focus: 25.26
Canon patent was spotted by asobinet. More Canon patent applications are listed here.