Canon EOS RP Firmware v1.2.0 Released (support for RF 24-240mm)

Canon Eos Rp

Canon released firmware version 1.2.0 for the Canon EOS RP.

Firmware Version 1.2.0 incorporates the following enhancement and fix:

1. Support for the RF 24-240mm F4-6.3 IS USM lens has been added.
2. Corrects a phenomenon in which the top of some captured images may be dark during high-speed sync shooting with an external flash.

Download Canon EOS RP firmware version 1.2.0 here.

Canon Patent For 17-70mm Lens For EOS R System

Canon Patent

Here is another Canon patent application for a lens for the EOS R full frame mirrorless system.

Canon patent application 2019-139172 (Japan) discusses optical formulas for a 17-70mm lens for the Canon EOS R system.

  • Focal length 17.40 35.02 68.69   
  • F-number 3.57 4.18 5.85   
  • Half field angle (degrees) 51.19 31.71 17.48   
  • Image height 21.64 21.64 21.64   
  • Total lens length 149.59 133.68 150.50   
  • BF 13.43 27.63 57.99 
  • Focal length 17.10 34.82 72.70   
  • F number 3.57 4.18 5.85   
  • Half angle of view (degree) 51.68 31.85 16.57   
  • Image height 21.64 21.64 21.64   
  • Total lens length 151.00 135.57 157.71  
  • BF 13.13 27.81 63.49 
  • Focal length 18.70 37.55 77.50   
  • F-number 3.57 4.18 5.85   
  • Half angle of view (degree) 49.16 29.95 15.60   
  • Image height 21.64 21.64 21.64   
  • Total lens length 146.50 128.90 147.50   
  • BF 15.19 27.72 59.84   

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

Source: Canon News

An RF 52-83mm F/1.2 Lens For The EOS R Shows Up In Canon Patent

Canon Patent

Another weird zoom range spotted in a Canon patent application.

Canon patent application 2019-138941 (Japan) describes the optical formula for a 52-83mm F/1.2 lens for full frame mirrorless systems.

Two embodiments can be found in the patent literature:

  • Zoom ratio: 1.60 
  • Focal length: 51.50 – 64.01 – 82.52 mm
  • Fno.: 1.24
  • Half angle: 22.79 – 18.67 – 14.69  
  • Lens length: 201.66 – 204.48 – 204.68 mm
  • Back focus: 22.89 – 23.95 – 25.47 mm 

And:

  • Zoom ratio: 1.60 
  • Focal length: 51.50 – 64.01 – 82.52 mm
  • Fno.: 1.13
  • Half angle: 22.79 – 18.67 – 14.69  
  • Lens length: 220.20 – 225.05 – 224.20 mm
  • Back focus: 6.51 – 6.53 – 8.64 mm

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

[via Hi Lows Note]

Viltrox Set To Announce Three Lenses For Canon EOS M (and Fuji X & Sony E)

Viltrox

Viltron will soon announce three new lenses for APS-C mirrorless systems.

The new Viltron lenses will be available for the Canon EOS M, Fuji X and Sony E systems. The lenses have autofocus, and are 23mm f/1.4, 33mm f/1.4 and 56mm f/1.4.

Viltrox 56mm f/1.4

viltrox
  • Aperture range: 1.4 – 16
  • 9 aperture blades
  • 9 groups, 10 glasses
  • Filter size: 52
  • Weight 290g

Viltrox 33mm f/1.4

  • Aperture range: 1.4 – 16
  • 9 aperture blades
  • 9 groups, 10 glasses
  • Filter size: 52
  • Weight 270g

Viltrox 23mm f/1.4

  • Aperture range: 1.4 – 16
  • 9 aperture blades
  • 9 groups, 10 glasses
  • Filter size: 52w
  • Weight 290g
[via Weibo Sino]