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It looks like Canon will be bringing one or more RF-S prime lenses for the Canon EOS R7 and Canon EOS R10. One of the most requested RF-S lenses is unsurprisingly a pancake lens. Keith at Northlight Images uncovered a patent at the USPTO with what looks to be RF-S pancake optical formulas.
None of these
Canon RF-S 14mm f/2.8
- Focal Length: 14.28mm
- F-Number: 2.90
- Half Angle of View: 51.88°
- Image Height: 18.20mm
- Total Lens Length: 57.50mm (image sensor to front element)
- Backfocus: 10.97mm
Canon RF-S 16mm f/2.8
- Focal Length: 16.48mm
- F-Number: 2.90
- Half Angle of View: 47.84°
- Image Height: 18.20mm
- Total Lens Length: 63.19mm (image sensor to front element)
- Backfocus: 12.54mm
Canon RF-S 10mm f/2.8
- Focal Length: 18.20mm
- F-Number: 2.90
- Half Angle of View: 45.00°
- Image Height: 18.20mm
- Total Lens Length: 63.45mm (image sensor to front element)
- Backfocus: 12.94mm
Canon RF-S 20mm f/2.8
- Focal Length: 20.10mm
- F-Number: 2.90
- Half Angle of View: 48.31°
- Image Height: 18.20mm
- Total Lens Length: 63.99mm (image sensor to front element)
- Backfocus: 11.16mm
- Via: Northlight
- Source: USPTO