Here is a new Canon patent application, as usual for RF-mount lenses. Canon patent application…
Canon Working On Lighter and Smaller APS-C Kit Lenses, Canon Patent
Canon patent application 2019-109266 (Japan) discusses optical formulas for an 18-55mm and a 15-45mm lens for APS-C DSLRs.
- Focal length 18.55 34.00 53.35
- F number 3.55 4.60 5.85 field
- Angle 36.36 21.89 14.36
- Image height 13.66 13.66 13.66
- Lens total length 97.50 113.37 129.36
- BF 35.49 47.49 61.37
- Focal length 15.45 33.30 43.65
- F-number 3.55 5.24 5.85 17.38
- Image height 13.66 13.66 13.66
- Lens total length 93.50 114.50 131.22
- BF 35.50 55.37 61.61
The patent application also describes ways and methods to make those lenses smaller and lighter. For sure a welcome feature.
More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:
- 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