Home » Canon » Canon Patent for RF 28-280mm f/2.8, RF 28-135mm f/4, RF 24-170mm f/4 Lenses

Canon Patent for RF 28-280mm f/2.8, RF 28-135mm f/4, RF 24-170mm f/4 Lenses

By on

New patents are filed by Canon. The applications are for RF mount superzoom lenses and they are RF 28-280mm f/2.8, RF 28-135mm f/4, RF 24-170mm f/4.

The first one in the patent application describes a long-zoom RF 28-280mm f/2.8 lens which will be good companion for the RF 28-70mm f/2L USM lens. This will probably be a very large and heavy lens if it is real.

The other ones are the RF 28-135mm f/4 lens or RF 28-170mm f/4 lens. Check out the details below.

Canon RF 28-280mm f/2.8:

  • Focal length: 27.81mm 146.83mm 269.60mm
  • F-number: 2.88 2.88 2.88
  • Half angle of view: 34.09° 8.38° 4.59°
  • Image height: 18.82mm 21.64mm 21.64mm
  • Total lens length: 340.47mm 340.47mm 340.47mm
  • BF: 32.97mm 32.97mm 32.97mm

Canon RF 28-135mm f/4:

  • Focal length: 28.84mm 80.09mm 135.75mm
  • F-number: 4.12 4.12 4.12
  • Half angle of view: 33.13° 15.12° 9.06°
  • Image height: 18.82mm 21.64mm 21.64mm
  • Total lens length: 167.97mm 167.97mm 167.97mm
  • BF: 27.78mm 27.78mm 27.78mm

Canon RF 24-170mm f/4:

  • Focal length: 24.72mm 99.78mm 166.47mm
  • F-number: 4.12 4.12 4.12
  • Half angle of view: 37.29° 12.23° 7.40°
  • Image height: 18.82mm 21.64mm 21.64mm
  • Total lens length: 236.70mm 236.70mm 236.70mm
  • BF: 23.98mm 23.98mm 23.98mm

Canon Camera Deals:

$500 off on Canon EOS R body: $1,799 at Amazon

$700 off on Canon EOS R with 24-105mm Lens: $2,699 at Amazon

$500 off on Canon EOS RP with 24-105mm Lens: $1,899 at Amazon

Join the Canon Camera Users Group to share your Canon photography, ask and answer questions that arise and help each others!

Read more Canon mirrorless and Canon Rumors.

Source: USPTO