Canon Patent Application: More Canon RF Macro lenses

This patent application deals with macro lenses, something the RF mount certainly is missing right now.  A good 100mm macro is a certainty to come out for the RF mount. It's just a matter of when.

Here we have just that, a macro lens application and a series of embodiments all around the 100mm focal length.

Canon RF 100mm F2.8 Macro

focal length          99.70
F number               2.92
Half angle of view    12.24
Image height          21.64
Total lens length    164.46
BF                    24.74

Canon RF 110mm F2.8 Macro

focal length         111.55
F number               2.92
Half angle of view    10.98
Image height          21.64
Lens total length    170.07
BF                    23.35

Canon RF 90mm F2.8 Macro

focal length          87.55
F number               2.92 
Half angle of view    13.88
Image height          21.64
Total lens length    142.88
BF                    26.49

Canon RF 120mm F2.8 Macro

focal length         118.66
F number               2.92
Half angle of view    10.33
Image height          21.64
Total lens length    137.11
BF                    23.67

Japan Patent Application: 2020-064123

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