Canon Patent For 17-70mm Lens For EOS R System

Here is another Canon patent application for a lens for the EOS R full frame mirrorless system.

Canon patent application 2019-139172 (Japan) discusses optical formulas for a 17-70mm lens for the Canon EOS R system.

• Focal length 17.40 35.02 68.69   
• F-number 3.57 4.18 5.85   
• Half field angle (degrees) 51.19 31.71 17.48   
• Image height 21.64 21.64 21.64   
• Total lens length 149.59 133.68 150.50   
• BF 13.43 27.63 57.99 

• Focal length 17.10 34.82 72.70   
• F number 3.57 4.18 5.85   
• Half angle of view (degree) 51.68 31.85 16.57   
• Image height 21.64 21.64 21.64   
• Total lens length 151.00 135.57 157.71  
• BF 13.13 27.81 63.49 

• Focal length 18.70 37.55 77.50   
• F-number 3.57 4.18 5.85   
• Half angle of view (degree) 49.16 29.95 15.60   
• Image height 21.64 21.64 21.64   
• Total lens length 146.50 128.90 147.50   
• BF 15.19 27.72 59.84   

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