Here is a new Canon patent application. Canon patent application 2024111453 (Japan, published 8/19/2024) discusses…
Canon Patent: 200-500mm f/4 and 300-800mm f/8 Lenses
A new Canon patent was spotted. The patent refers to two super zoom lenses. Again, as it seems, for the RF mount
Canon patent application 2022/0035144 (USA) discusses optical formulas for a 200-500mm f/4 lens and a 300-800mm f/8 lens. Other lenses discussed in the patent literature are 200-400mm f/4 and 150mm f/5 – 600mm f/6.5. These too might be for the RF mount.
Example 1
- Focal length: 206.00-485.01
- F value: 4.09-4.10
- Half angle of view: 6.00-2.55
- Image height: 21.64
- Overall length: 486.99
- Back focus: 53.96
Example 3
- Focal length: 154.55-585.00
- F value: 5.10-6.51
- Half angle of view: 7.97-2.12
- Image height: 21.64
- Overall length: 288.00-388.00
- Back focus: 15.00-95.75
Example 4
- Focal length: 205.00-390.00
- F value: 4.10
- Half angle of view: 6.02-3.18
- Image height: 21.64
- Overall length: 367.09
- Back focus: 46.68
Example 5
- Focal length: 305.00-774.99
- F value: 8.09-8.10
- Half angle of view: 4.06-1.60
- Image height: 21.64
- Overall length: 489.78
- Back focus: 100.04
More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:
- Automatic shutter silencing based on subject and distance
- 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
[via asobinet.com]