A new patent showing three different mirrorless optical formulas have been uncovered by Canon News.
Canon RF 85mm f/1.8 Macro
Focal length: 84.05mm
F-Number: 1.86
Half-angle: 14.44°
Image height: 21.64mm
Full length: 100.02mm
BF: 14.64mm
Canon RF 100mm f/2.8
Focal Length: 101.03mm
F-Number: 2.88
Half-angle: 12.09°
Image height: 21.64mm
Full length: 130.45mm
BF: 18.70mm
Canon EF-M 100mm f/2
Focal length: 96.24mm
F Number: 2.06
Half-angle: 8.08°
Image height: 13.66mm
Full length: 115.28mm
BF: 14.96mm
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