Canon Patent: RF 130mm f/2 Lens For The EOS R System

Canon Patent

Here is a new Canon patent. A RF 130mm f/2 lens for the EOS R full frame mirrorless system.

Canon patent application 2022-043436 (Japan) discusses optical formulas for a RF 100mm f/2 lens.

PROBLEM TO BE SOLVED: To provide an optical system which is compact and has various aberrations such as chromatic aberration satisfactorily corrected.

Example 1

  • Focal length: 130.77
  • F value: 2.06
  • Half angle of view: 9.39
  • Image height: 21.64
  • Overall length: 132.51
  • Back focus: 25.26

As always, this Canon patent was spotted by asobinet. More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:

Three New Canon EOS R Cameras, Including APS-C, Coming In 2022?

Eos R Model With Aps-c

What a timing! Just a day after a patent was spotted that might point to an Canon EOS R model with APS-C sensor, a new rumor surfaces that suggests exactly that. Man I love this industry! :-)

Rumor has it that Canon might be set to release three new EOS R cameras. So, what are these cameras? One might be the already mentioned EOS R model with an APS-C sensor, said to be “maybe a little M50 mixed with some 7D“. Whatever that means. The “maybe” part sees use a bit skeptical.

Next, there might be a new entry level full-frame EOS R model in the pipeline. This camera is said to use the imaging sensor of the EOS R6. Just above this camera, there might be another EOS R model with “new image sensor, but a lower pixel count than the Canon EOS R5

Finally, the same source suggests that at least one of the three mentioned new EOS R models might come without an Electronic Viewfinder (EVF). This might concern the most entry level of these cameras.

Time will tell, stay tuned.

Source: CR

Canon Patent: RF-S 16-55mm f/2.8 & RF 28-70mm f/2.8 Lenses

Canon Patent

A new Canon patent application suggests there might be some truth to the rumor about an EOS R model with APS-C sensor.

Canon patent application 2022-18006 (Japan) discusses optical formulas for an RF-S 16-55mm f/2.8 lens for crop sensor, and RF 28-70mm f/2.8 lens for full-frame sensors.

Example 1

  • Focal length: 16.50-53.81
  • F value: 2.90
  • Half angle of view: 42.26-13.98
  • Image height: 14.00
  • Overall length: 103.55-129.89
  • Back focus: 14.18-10.01

Example 3

  • Focal length: 24.97-232.79
  • F value: 4.12-6.40
  • Half angle of view: 41.55-5.03
  • Image height: 19.45-21.64
  • Overall length: 140.70-210.70
  • Back focus: 12.99-52.16

Example 4

  • Focal length: 28.84-67.79
  • F value: 2.90
  • Half angle of view: 34.71-16.22
  • Image height: 19.00-21.64
  • Overall length: 141.90-158.37
  • Back focus: 12.51-27.26

The patent application was spotted by asobinet.com. More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production are these:

This Might Be The Next Cinema Gear Canon Is Set To Announce

Canon Eos R5 C

A few days after the announcement of the Canon EOS R5 C, speculation are already abounding about what might come next form Canon.

Canon Rumors suggests these cameras and lenses might get announced next:

Canon Cinema EOS C300S

  • 8K Super 35mm
  • 8K/60p, 4K/120p in all modes
  • BSI Stacked 3.2um 8K DGO Sensor
  • Dual Pixel Autofocus
  • 16 Stops Dynamic Range in DGO Mode
  • 10ms Readout in 8K DGO Mode
  • Dual DIGIC DV 8 Image Processor

Canon Cinema EOS C500S

  • 8K Full Frame
  • 8K/60p, 4K/120p in all modes
  • BSI Stacked 4.65um 8K DGO Sensor
  • Dual Pixel Autofocus
  • 17+ Stops Dynamic Range in DGO Mode
  • 10ms Readout in 8K DGO Mode
  • Dual DIGIC DV 8 Image Processor

Canon Cinema EOS C700DR

  • 4K Full Frame
  • 4K/240p in Fast Mode, 4K/180p in WDR Mode
  • BSI Stacked 9.6um 4K WDR Sensor
  • 20+ Stops Dynamic Range in WDR Mode
  • 5ms Readout in 4K WDR Mode
  • Dual DIGIC DV 8 Image Processor

Canon RF Mount Cinema Prime Lenses

  • RF 14mm T/1.5
  • RF 18mm T/1.5
  • RF 24mm T/1.3
  • RF 35mm T/1.3
  • RF 50mm T/1.3
  • RF 85mm T/1.3
  • RF 100mm T/1.5
  • RF 135mm T/1.5

The source mentions also “new modules for both the Cinema EOS C300 Mark III and Cinema EOS C500 Mark II”, although I have not a clear idea about what those “modules” are. Maybe we will learn more before NAB 2022.

Stay tuned.

Canon Patent: More RF Mount Lenses – 14mm f/1.8 & 20mm f/1.4

Canon Patent

And yet another Canon patent application for RF mount lenses. This time we have a 14mm f/1.8 and a 20mm f/1.4.

Canon patent application 2021-184030 (Japan) discusses optical designs for a 14mm f/1.8 and a 20mm f/1.4 lens, both for full frame mirrorless cameras, i.e. for the EOS R lineup.

PROBLEM TO BE SOLVED: To provide a single focus lens which is advantageous in terms of wide angle, small size and high optical performance, for example.

An image pickup optical system used in a photographic camera and a movie camera is required to have a wide angle, a small F value, and an image pickup optical system having substantially uniform resolution from the center of the screen to the periphery of the screen over the entire object distance. ing. In order to realize such an imaging optical system, a first lens group fixed at the time of focusing is arranged on the most object side, and a plurality of negative lenses are continuously arranged from the most object side in the first lens group. A single focus lens (single focus optical system) has been proposed. Patent Document 1 describes a single focal length optical system having a focal length of 24 mm and an F value of 1.4, and Patent Document 2 describes a single focal length optical system having a focal length of 20 mm and an F value of 1.4.

Example 1

  • Focal length 18.46
  • F number 1.73
  • Angle of view 49.53
  • Image height 21.64
  • Lens total length 144.17
  • BF 39.17

Example 2

  • Focal length 14.42
  • F number 1.74
  • Angle of view 56.31
  • Image height 21.64
  • Lens total length 151.49
  • BF 37.99

Example 4

  • Focal length 20.00
  • F number 1.46
  • Angle of view 47.25
  • Image height 21.64
  • Lens total length 146.11
  • BF 38.99

Example 5

  • Focal length 16.00
  • F number 1.74
  • Angle of view 53.52
  • Image height 21.64
  • Lens total length 127.35
  • BF 35.73

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

[via asobinet.com]

The White Unicorn Is Back: Canon EOS R With APS-C To Come In 2022?

Canon EOS R With Aps-c

And here we are again. A new rumor about the Canon EOS R model with a crop sensor.

This time the rumor goes with high confidence, according to Canon Rumors, which gave it their highest ranking. I am still very skeptical about this to be real, but who am I to tell? Most about the EOS R with APS-C is still in the realm of the unknown, though:

The long rumoured APS-C RF mount camera from Canon is starting to appear more and more likely. […] have been told by an [sic] solid source that Canon is “definitely” releasing an APS-C RF mount camera in 2022.

[…] don’t know if we’re talking about something like an “EOS R7” or a camera (s) to take the place of the EOS M line.

Call me a disbeliever but I do still have a hard time to buy it. Guess I will be proven wrong. Time will tell.