Canon Patent: 22mm, 24mm, 33mm, 35mm, all f/1.4, For The RF Mount
And here is a new Canon patent application for lenses for the RF mount: 22mm, 24mm, 33mm, 35mm, and all are f/1.4.
Canon patent application 2021-113905A (spotted by High Lows Note) discusses optical formulas for the following RF-mount lenses:
- RF 22mm f/1.4
- RF 24mm f/1.4
- RF 33mm f/1.4
- RF 35mm f/1.4
Here they are:
Embodiment 1
- FOCAL LENGTH (MM): 35.00
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 31.73
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 126.05
- BACK FOCUS (MM): 11.06
Embodiment 2:
- FOCAL LENGTH (MM): 35.00
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 31.72
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 128.31
- BACK FOCUS (MM): 11.06
Embodiment 3
- FOCAL LENGTH (MM): 34.99
- F NUMBER: 1.43
- HALF ANGLE OF VIEW (DEGREE): 31.73
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 123.63
- BACK FOCUS (MM): 11.06
Embodiment 4:
- FOCAL LENGTH (MM): 24.17
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 41.83
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 124.64
- BACK FOCUS (MM): 11.06
Embodiment 5:
- FOCAL LENGTH (MM): 33.11
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 33.17
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 126.01
- BACK FOCUS (MM): 11.06
Embodiment 6:
- FOCAL LENGTH (MM): 33.03
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 33.23
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 125.39
- BACK FOCUS (MM): 11.06
Embodiment 7:
- FOCAL LENGTH (MM): 34.99
- F NUMBER: 1.43
- HALF ANGLE OF VIEW (DEGREE): 31.73
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 122.18
- BACK FOCUS (MM): 11.06
Embodiment 8:
- FOCAL LENGTH (MM): 22.00
- F NUMBER: 1.42
- HALF ANGLE OF VIEW (DEGREE): 44.52
- IMAGE HEIGHT (MM): 21.64
- LENS LENGTH (MM): 125.60
- BACK FOCUS (MM): 11.06
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
