Canon Patent: Telephoto Lenses For The EOS R System (100-600mm & 120-700mm)

And yet another Canon patent dealing with lenses for the Canon EOS R full frame mirrorless system.

Canon patent application 20200174234 (US) discusses optical formulas for two telephoto lenses for the RF mount: 100-600mm f/4.5-7.1 and 120-700mm f/4.5-8.

RF 100-600mm f/4.5-7.1:

• Focal Length: 103-00mm
• F-Number: 4.6-6.8
• Half Angle of View: 11.86° – 4.98° – 2.07°
• Image Height: 21.64mm
• Lens Length: 241mm-331mm
• Backfocus: 17mm-97mm

RF 120-700mm f/4.5-8:

• Focal Length: 123-700mm
• F-Number: 4.6-8.0
• Half Angle of View: 9.98° – 4.22° – 1.77°
• Image Height: 21.64mm
• Lens Length: 246mm-370mm
• Backfocus: 14mm-107mm

More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:

• 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