New Patents: Canon RF 17-35mm f/4-5.6, RF 135mm f/1.8L & RF 100mm f/1.4L USM Lenses

New Canon patents have been appeared on the web. The patent applications are for  Canon RF 17-35mm f/4-5.6, RF 135mm f/1.8L & RF 100mm f/1.4L USM Lenses.

Designed for Canon EOS R and EOS RP full frame mirrorless cameras, these are excellent lens options, especially the L series RF 100mm f/1.4 looks promising. 

The Canon RF 17-35mm f/4-5.6 lens patent available in two embodiments:

Canon RF 17-35mm f/4-5.6

  • Focal length: 17.50mm 27.00mm 33.95mm
  • F-number: 4.00 5.03 5.80
  • Half field angle: 51.03° 38.71° 32.51°
  • Image height: 21.64mm 21.64mm 21.64mm
  • Lens total length: 121.00mm 118.39mm 121.18mm
  • BF: 20.00mm 30.99mm 38.92mm

Canon RF 17-35mm f/4-5.6

  • Focal length: 17.50mm 27.00mm 33.95mm
  • F-number: 3.94 4.92 5.69
  • Half angle of view: 51.03° 38.71° 32.51°
  • Image height: 21.64mm 21.64mm 21.64mm
  • Total lens length: 122.00mm 119.11mm 121.87mm
  • BF: 20.00mm 31.62mm 40.07mm

In addition, a new Canon US patent application includes three RF prime lens designs: RF 85mm f/1.2L USM Lens (already announced), RF 135mm f/1.8L USM Lens and RF 100mm f/1.4L USM Lens.

Canon RF 135mm f/1.8L USM embodiment:

  • Focal length: 133.0mm
  • F number: 1.80
  • Half angle of view: 9.2°
  • Image height: 21.6mm
  • Overall length of lens: 150mm
  • Backfocus: 18mm

$300 off on Canon EOS R body: $1,999 at AmazonB&HAdorama.

$500 off on Canon EOS R with 24-105mm Lens: $2,899 at AmazonB&HAdorama

$200 off on Canon EOS RP with 24-105mm Lens: $2,199 at AmazonB&HAdorama

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