Canon Patent Roundup

Canon Patent Roundup

Canon have published a few interesting patents recently, and the following is a snapshot of just a few of the exciting products the company are currently working on.

Optical Viewfinder for Mirrorless Camera

Japan Patent Application 2018-005126

This patent is particularly interesting as it seems to depict a device which is sits beteween the camera and the lens, which contains the mirror assembly traditionally associated with SLR type cameras. Essentially a device which takes your mirrorless camera, and turns it into a DSLR. The unit also appears to contain a dedicated phase detection autofocus sensor.

A device which robs a mirrorless camera of all it’s inherant advantages???? Yes please!

EF 15MM F/4 and EF-M 9.5MM F/4

Japan Patent Application 2018-004726

The second patent contains details of two new wide-angle prime lenses one for EF mount cameras, and one for EF-M mount cameras. Both lenses are based on the same optical formula, with 35mm equivalance accounting for the difference in focal length.

Canon EF-M 9.5mm f/4

  • Focal distance 9.50
  • F number 4.10
  • Imaging field angle (degree) 175
  • Image height 13.66
  • Whole length of the lens 63.97
  • BF 23.16

Canon EF 15mm f/4

  • Focal distance 15.18
  • F number 4.12
  • Imaging field angle (degree) 175
  • Image height 21.64
  • Whole length of the lens 130.16
  • BF 58.19

Canon EF 50mm f/1.8, EF  85mm f/1.4, EF 85mm f/1.8 and  EF 100mm f/1.8

Japan Patent Application 2018-005133

The final patent four new fast EF mount primes, it is likely that the 50mm f/1.8 and 85mm f/1.8 will replace the EF 50mm f/1.8 STM and the EF 85mm f/1.8 USM The EF85mm f/1.4. The 85mm f/1.4 and 100mm f/1.8 are new formulas entirely.

  • EF 50mm f/1.8
  • EF 85mm f/1.4
  • EF 85mm f/1.8
  • EF 100mm f/1.8

Via: CN.





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