Patents: RF 70-200mm f/4L, RF 28mm f/1.8, RF 50mm f/1.8

There should be more affordable and non-L lenses in the Canon RF lens roadmap. USPTO has new patents for Canon RF 70-200mm f/4L Lens, RF 28mm f/1.8 Lens, and RF 50mm f/1.8 Lens.

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