Here is a Canon patent application for RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8 lenses.
Designed for Canon full frame mirrorless camera system, the two non-L lenses are the affordable candidates for the consumer market. There is also Canon RF 70-200mm f/4L lens.
EOS R is the first camera to feature the RF lens mount with a 12-pin connection, flange back distance of 20mm and a wide 54mm mount diameter enabling even greater flexibility in lens design.
Canon RF 70-200mm f/4L:
- Focal Length: 72.20mm 130.45mm 194.20mm
- F-Number: 4.00 3.95 4.00
- Angle of View: 16.68° 9.42° 6.36°
- Image Height: 21.64mm 21.64mm 21.64mm
- Total Lens Length: 215.54mm 215.54mm 215.54mm
- BF: 25.98mm 25.98mm 25.98mm
Canon RF 28mm f/1.8
- Focal length: 28.80mm
- F-number: 1.85
- Half angle of view: 36.91°
- Image height: 21.64mm
- Total lens length: 80.30mm
- BF: 7.00mm
Canon RF 50mm f/1.8
- Focal length: 48.50mm
- F-number: 1.85
- Half angle of view: 24.04°
- Image height: 21.64mm
- Total lens length: 95.00mm
- BF: 15.80mm
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