Canon Patent for RF 17-34mm f/4-5.6 Lens for EOS R Systems

Hi Lows Note spotted a Canon patent application (Japan, 2019-074633) describing the optical formula for a 17-34mm f/4-5.6 lens for the Canon EOS R mirrorless system.

• Zoom ratio: 1.94
• Focal length: 17.50 – 27.00 – 33.95 mm
• F number: 3.94 – 3.92 – 5.69
• Angle of view: 51.03 – 38.71 – 32.51
• Image height: 21.64 mm
• Lens length: 122.00 – 119.11 – 121.87 mm
• Back focus: 20.00 – 31.62 – 40.07 mm

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