Canon Patent: Cooling And Image Stabilization For Cinema EOS-like Body

Canon Patent

Here is a new Canon patent application, about cooling and image stabilisation in a Cinema EOS camera body.

Canon patent application 2023163923 (Japan, published 11/10/2023) discusses methods and technology for a cooling structure and an image stabilisation system for what appears to be a Cinema EOS camera body.

From the patent literature:

  • An object of the present invention is to provide an imaging device that is miniaturized, can arrange a portion that can provide an image stabilization function for an imaging section, and can rapidly cool an imaging element.
  • BACKGROUND ART
    In recent years, imaging devices have been achieving higher image quality such as higher resolution and higher frame rate of recorded images. In such imaging devices, the signal processing load and power consumption during image recording tend to increase, and as a result, electronic components such as the imaging section and the data recording section generate significant heat. Since the performance of electronic components within an imaging device may deteriorate at high temperatures, it is necessary to cool the electronic components. The imaging device described in Patent Document 1 includes an imaging element and a heat radiating component, and is configured to cool the imaging element by forcibly air cooling the heat radiating component. The imaging device described in Patent Document 2 is configured such that a cooling device is attached to the outside of the main body of the imaging device in order to forcibly air-cool the imaging device. In addition, some imaging devices are known that have an anti-vibration function that detects vibrations transmitted from the outside and cancels the vibrations based on the detection results. This anti-shake function allows you to record high-quality images.
  • However, in the imaging device described in Patent Document 1, the area where the heat dissipation components are cooled is a limited area of ​​a part of the casing, so it is difficult to sufficiently cool the image sensor . There is a risk. Furthermore, in the imaging device described in Patent Document 2 , there is a risk that the size will increase due to the attachment of a cooling device.
  • The present invention has been made in view of the above problems. SUMMARY OF THE INVENTION An object of the present invention is to provide an imaging device that is miniaturized, can arrange a portion that can provide an image stabilization function for the imaging section, and can quickly cool an imaging element.
  • Effects of the Invention
    According to the present invention, while achieving miniaturization, it is possible to arrange a portion that can exert an anti-vibration function for the imaging section, and the imaging device can be quickly cooled.

More Canon patents are listed here.

[via asobinet]

Canon Patent: TS-R 180mm F3.5 And TS-R 100mm F2.8 Lenses

Tilt-shift

There must be a tilt-shift lens for the RF mount on Canon’s release radar, given all these pertinent patents we are seeing. I am pretty sure that soon the clickbaiters out there will break the news with rumors about…tilt-shift lenses for the RF mount.

Canon patent 2023162714 (Japan, published 11/9/2023) discusses optical formulas for two tilt-shift lenses for the RF mount:

  • TS-R 180mm F3.5
  • TS-R 100mm F2.8

From the patent literature:

  • [Problem] To obtain an optical system that can greatly tilt an in-focus object surface while reducing composition shift while the entire system is small.
  • BACKGROUND TECHNOLOGY: Photography that focuses on an object surface that is tilted with respect to a direction perpendicular to the optical axis is called tilt photography. In tilt photography, it is necessary to greatly tilt the surface of the object in focus in order to expand the range of image expression.
  • As an optical system for realizing this photographing, an imaging optical system equipped with a tilt mechanism is known.
  • On the other hand, in an imaging optical system having a tilt mechanism, the composition shifts (hereinafter also referred to as “composition shift”) when the system is tilted, which may impair convenience.
  • On the other hand, an imaging optical system is known that includes a plurality of lens sections that move in a direction perpendicular to the optical axis direction (Patent Document 1). In Patent Document 1, during tilt photography, the lens section A moves in a direction perpendicular to the optical axis direction, and the lens section B moves in a direction perpendicular to the optical axis direction so as to correct the shift effect generated in the lens section A. By moving the lens in the vertical direction, it is possible to take tilted shots with small composition shifts.
  • An imaging optical system that includes a plurality of lens units that move in a direction perpendicular to the optical axis direction as in Patent Document 1 moves the lens unit in a direction perpendicular to the optical axis direction during tilt photography. Aberrations occur due to optical eccentricity. The amount of aberration caused by this eccentricity increases as the amount of inclination of the object surface for tilt photography increases. In Patent Document 1, since the lens group A that moves in the direction perpendicular to the optical axis direction has negative refractive power, the height from the optical axis of off-axis light incident on the lens section B increases, and the lens The amount of eccentric aberration that occurs when portion B is decentered increases. Furthermore, since the height of the off-axis light from the optical axis increases, the diameter of the lens portion B increases. Therefore, it becomes difficult to increase the eccentricity of the lens portion B, and as a result, it is difficult to greatly tilt the object surface that is in focus.
  • Accordingly, an object of the present invention is to provide an optical system that can greatly tilt the object surface in focus while reducing composition shift while the entire system is small, and an imaging apparatus having the same.

Example 1

  • Focal length: 179.88
  • F value: 3.60
  • Half angle of view: 6.86
  • Image height: 21.64
  • Total length: 198.10
  • Back focus: 27.03

Example 2

  • Focal length: 193.86
  • F value: 2.88
  • Half angle of view: 6.37
  • Image height: 21.64
  • Total length: 182.73
  • Back focus: 26.48

Example 3

  • Focal length: 97.23
  • F value: 2.88
  • Half angle of view: 12.54
  • Image height: 21.64
  • Total length: 176.52
  • Back focus: 14.71

Example 4

  • Focal length: 89.85
  • F value: 3.50
  • Half angle of view: 13.54
  • Image height: 21.64
  • Total length: 184.06
  • Back focus: 28.19

Example 5

  • Focal length: 134.80
  • F value: 3.50
  • Half angle of view: 9.12
  • Image height: 21.64
  • Total length: 135.33
  • Back focus: 37.11

More Canon patents are listed here.

[via asobinet]

Canon RF 200-800mm IS USM Hands-on And Previews Round-up

Canon RF 200-800mm

Here is a round-up of hands-on reviews and previews of the brand new Canon RF 200-800mm IS USM lens.

At a glance:

  • Full-Frame | f/6.3-9 to f/54
  • Nano USM Motor
  • Focus/Control Ring & Two L-Fn Buttons
  • Optical Image Stabilizer
  • 3 UD Elements
  • Super Spectra Coating

America: B&H Photo, Adorama, Amazon USA, Amazon Canada, Canon Canada, Canon USA
Europe & UK: Amazon DE, Amazon UK, Amazon IT, Canon IT, WEX Photographic, Canon FR, Canon UK, Canon DE

Click here to open the rest of the article

Save $200 On These Canon EOS R6 Mark II Kits

Canon Eos R6 Mark Ii Review

You cam save $200 on the following Canon EOS R6 Mark II kits on sale at B&H Photo:

Canon EOS R6 Mark II at a glance:

  • 24.2MP Full-Frame CMOS Sensor
  • 4K60 10-Bit Internal Video, C-Log 3
  • External 6K ProRes RAW Recording
  • Dual Pixel CMOS AF II
  • 12 fps Mech. Shutter, 40 fps E. Shutter
  • Sensor-Shift 5-Axis Image Stabilization
  • 3.69m-Dot OLED EVF
  • 3″ 1.62m-Dot Vari-Angle Touchscreen LCD
  • Dual UHS-II Memory Card Slots
  • Multi-Function Shoe, Wi-Fi and Bluetooth

More selected deals:

Click here to open the rest of the article

Canon RF 24-105 F2.8L IS Z Hands-on And Previews Round-up

Canon RF 24-105 F2.8L

Here is a round-up of hands-on reviews and previews for the brand new Canon RF 24-105 F2.8L IS Z lens.

At a glance:

  • Full-Frame | f/2.8 to f/22
  • Two Nano USM Motors
  • 11-Blade Diaphragm
  • Optical Image Stabilizer
  • 3 Aspherical Elements, 4 UD Elements
  • SSC, ASC & Fluorine Coating

America: B&H Photo, Adorama, Amazon USA, Amazon Canada, Canon Canada, Canon USA
Europe & UK: Amazon DE, Amazon UK, Amazon IT, Canon IT, WEX Photographic, Canon FR, Canon UK, Canon DE

Click here to open the rest of the article

Canon Announces Firmware Updates for Cinema EOS, Camcorder and PTZ Cameras

Top 10 Cameras Canon Rumors Full Frame Mirrorless Camera Canon Eos R Pro Eos R Canon Lens Explorers Of Light

I am not really getting this trend to announce the future release of firmware. Just release it and tell it has been released.

However, Canon posted a press release to let humanity know they will release firmware updates. See below for details. The interesting bit here: Canon is introducing a new app to work with a compatible iPhone device, that controls up to four cameras from a single device. The EOS C500 Mark II, EOS C300 Mark III, EOS C70, and XF605 cameras will be compatible with the Canon Multi-Camera Control App, which provides the ability to control multiple cameras from a compatible iPhone device via Wi-Fi connectivity. The free app allows for control over recording start and stop, focus, zoom and iris, ND Filters, ISO, Shutter, White Balance, and Custom Picture control while viewing the image.

Canon press release:

Expanding Possibilities: Canon Announces Firmware Updates for Cinema EOS, Camcorder and PTZ Cameras, Granting Canon Customers Broader Options and More Control

MELVILLE, N.Y, November 2, 2023 – Canon, a leader in digital imaging solutions, announced today a variety of firmware updates for key models in its Cinema EOS line of cameras, including the EOS C500 Mark II, EOS C300 Mark III, EOS C70, EOS R5 C, the XF605 camcorder, as well as select PTZ cameras, expanding the creative and technical choices available for Canon customers. Additionally, Canon announced the new Canon Multi-Camera Control App (the “app”)1. All firmware updates and the app will be available to customers for free download in early December 2023*.

Enhancing Value of Cinema EOS Cameras

Highlights for each of the Canon Cinema EOS products:

EOS C500 Mark II/ EOS C300 Mark III

  • Adds a Digital Tele-converter.
  • Supports camera control from the new RC-IP1000 Remote Camera Controller.
  • Adds flexibility with file naming conventions on proxy files, which enhances compatibility with non-linear editing software systems.
  • Enhancements to the vector scope will now enable display of the vector color and color-space on screen.
  • Adds compatibility with the CN-E31.5-95mm Flex Zoom Lens.

EOS C70

  • Adds a Digital Tele-converter.
  • Supports camera control from the new RC-IP1000 Remote Camera Controller.
  • Adds flexibility with file naming conventions on proxy files, which enhances compatibility with non-linear editing software systems.
  • Adds compatibility with the RF24-105mm F2.8 L IS USM Z lens with Power Zoom Adapter and the RF Prime series of cinema lenses.
  • Adds compatibility with Canon’s Super 35mm Flex Zoom lenses.

EOS R5 C

  • Adds flexibility with file naming conventions on proxy files, which enhances compatibility with non-linear editing software systems.
  • Enhancements to the vector scope will now enable display of the vector color and color-space on screen.
  • Adds frame display function while recording.
  • Adds compatibility with the RF24-105mm F2.8 L IS USM Z lens with Power Zoom Adapter and the RF Prime Cinema Lenses.
  • Adds compatibility with Canon’s Super 35mm Flex Zoom lenses.
  • Adds improvements to the camera’s photo mode.

Pro Video Product Update

The latest firmware upgrade for our flagship professional camcorder:

XF605

  • Adds support for SRT protocol.
  • Adds file recording in XF-AVC Full HD 25 megabits per second format.
  • Proxy file recording in MP4 16 megabits per second when in XF-AVC Full HD 25 format.
  • Adds chunk recording and continuous playback of multiple clips.
  • Adds flexibility with file naming conventions on proxy files, which enhances compatibility with non-linear editing software systems.
  • Supports camera control from the new RC-IP1000 Remote Camera Controller.

Enhanced PTZ Functionalities

Canon is continuously enhancing its existing line of PTZ cameras and producing new models to help ensure that Canon PTZ users are at the top of their game. The new firmware for the CR-N700, CR-N500, CR-N300, and CR-X300 contains several new features.

These new features include:

  • Preset and Trace thumbnails have been added to help make the cameras more intuitive to control by adding visual thumbnails for both presets and for recorded trace movements in the camera’s user interface and in the latest version of the Remote Camera Control Application.
  • Option for Still image display between presets helps to enhance a user’s viewing experience by eliminating any distracting video while the camera is moving from one preset to another.
  • SRT adaptive bitrate enables stable video distribution in accordance with the network environment and available bandwidth.
  • Multiple Free-D protocol destinations which can behelpful for shooting in virtual production environments with multiple image processors.
  • Partial restore option allows for partial settings restoration so that items such as baseline video settings can be restored from a backup, while infrastructure items such as networking configuration and administrator credentials can be retained.

In addition, the Remote Camera Control Application (RCCA) for Windows and Mac will have new functionalities including the preset thumbnail display, trace thumbnail display still image between presets, and will add support for the CR-N100 PTZ camera.

Additionally, the firmware update for Canon’s RC-IP100 remote camera controller will allow users to control settings for the Add-On Applications via the hardware controller; introduce a new On-Off setting to aid in efficiency; a new reversible Tele-Wide direction setting of the Zoom lever; and an additional mode that only allows pan, tilt, zoom, focus, preset, and trace control, so users may not accidentally make image settings changes when using the controller.

Canon Multi-Camera Control App

Lastly, Canon is introducing a new app to work with a compatible iPhone device, that controls up to four cameras from a single device. The EOS C500 Mark II, EOS C300 Mark III, EOS C70, and XF605 cameras will be compatible with the Canon Multi-Camera Control App, which provides the ability to control multiple cameras from a compatible iPhone device via Wi-Fi connectivity. The free app allows for control over recording start and stop, focus, zoom and iris, ND Filters, ISO, Shutter, White Balance, and Custom Picture control while viewing the image.

To download the firmware updates once available, or for more information regarding the firmware updates, the app and all of Canon’s professional video products and solutions, please visit usa.canon.com.