We’re obviously going to get an RF L macro lens sooner than later, and Canon News has uncovered another patent showing various optical formulas for such a lens.
Canon RF 65mm f/2.8
Focal length: 65.13mm
F number : 2.92
Angle of view: 18.38°
Image height: 21.64mm
Lens length: 135.78mm
Backfocus: 21.40mm
Canon RF 90mm f/2.8 Macro
Focal length: 87.04mm
F number: 2.92
Angle of view: 13.96°
Image height: 21.64mm
Lens length: 135.86mm
Backfocus: 19.58mm
Canon RF 100mm f/2.8 Macro
Focal length: 97.62mm
F number: 2.92
Angle of view: 12.50°
Image height: 21.64mm
lens length: 123.21mm
Backfocus: 18.86mm
Canon RF 180mm f/2.8 Macro
Focal length: 189.96mm
F number: 2.92
Angle of view: 6.50°
Image height: 21.64mm
Lens length: 185.34mm
Backfocus: 23.95mm
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