Canon Patent: 83mm f/1.4 For The Canon RF Mount

And here is another Canon patent for an RF mount lens.

Spotted by Hi Lows Note, Canon patent application 2021-81531A (Japan) discusses optical formulas for a 83mm f/1.4 lens for full frame mirrorless cameras, i.e. for the EOS R camera system.

Embodiment 1

• Focal length (mm): 82.87
• F number: 1.45
• Half angle of view (degree): 14.63
• Image height (mm): 21.64
• Lens length (mm): 126.50
• Back focus (mm): 13.00

Embodiment 2

• Focal length (mm): 82.86
• F number: 1.45
• Half angle of view (degree): 14.63
• Image height (mm): 21.64
• Lens length (mm): 128.50
• Back focus (mm): 17.13

Embodiment 3

• Focal length (mm): 82.64
• F number: 1.45
• Half angle of view (degree): 14.67
• Image height (mm): 21.64
• Lens length (mm): 113.70
• Back focus (mm): 18.16

More Canon patents are listed here. Some particularly interesting patent applications we think might get into production are these:

• A bunch of prime lenses for the RF mount
• An improved Electronic Viewfinder
• Patent application for RF 50mm F1.4 and an RF 35mm f/1.4 lenses
• A zoom lens that might be for an EOS R with APS-C sensor
• A smaller IBIS unit.
• A cooling adapter for the RF mount (R5 overheating?)
• A bunch of macro lenses for the RF mount.
• A 8mm f/4 circular fisheye lens for the Canon EOS R system
• A battery grip that works with differently siszed cameras
• A 100-400mm f/5.5-7.1 lens for APS-C cameras. EOS M or DSLR?
• RF 17-70mm lens for EOS R system
• IBIS coming to the EOS M and PowerShot lineup?
• Patent Application: mirrorless camera with large display and virtual control wheel
• Patent Application: IBIS and Lens IS Working Together
• Patent application for high speed mirror movement and control
• Patent application for an RF 14-28mm f/2 lens
• Patent application for an RF 50mm f/1.8 lens
• Patent application for a smart lens cap
• Patent application for celestial auto-focus
• Patent application describing a Pop-Up Flash With LED
• Patent application describing the optical formula for a RF 70-300mm F/4-5.6 IS lens for EOS R systems
• Patent application describing how to improve burst rate by compressing raw files
• Patent application describing a new way to review photos from a sequential shot
• Patent application that describes technology to improve wireless communication while reducing power consumption
• Patent application to spot and reduce moire artefacts in image data
• Patent application for weather sealed lens adapter
• Patent application for AI powered predictive camera control system
• Patent application for 18-55mm kit lens with LCD display
• Patent application to reduce noise in image files