Capture the intricacies of a starry night sky with the new EOS Ra camera – Canon's first full-frame mirrorless camera dedicated to deep sky and night sky photography. Building on the success of the EOS R, the EOS Ra offers 30x magnification in both the viewfinder and in Live View shooting for more accurate focus and roughly 4x more transmission sensitivity of hydrogen-alpha (Hα) rays (656.3 nm) for more vivid, deep-red hues of nebulae, making it ideal for astrophotography enthusiasts. Sharing many of the same advanced features of the EOS R, including a 30.3 megapixel CMOS sensor, a high-precision electronic viewfinder (EVF) and Dual Pixel CMOS AF with 5,655 manually selectable AF positions**, the EOS Ra is capable of capturing and pinpointing dim stars that are difficult to see with the naked eye. A Vari-angle LCD touchscreen allows for comfortable composition at any angle and easier framing when shooting vertically, especially when the camera is mounted to a telescope. Featuring 4K video recording at up to 30 fps, along with 4K time-lapse capabilities, the movement of stars across the night sky can be recorded in brilliant clarity and detail. With a trusted design that's been specifically enhanced for astrophotography^, the EOS Ra proves the age-old adage is true: the sky's the limit!
Modified Filter for Enhanced Night Sky Recording
Positioned in front of the CMOS imaging sensor, The EOS Ra's infrared-cutting filter is modified to permit approximately 4x as much transmission of hydrogen alpha rays at the 656nm wavelength, vs. standard EOS R cameras. This allows for a higher transmission of deep red infrared rays emitted by nebulae, without requiring any other specialized optics or accessories.
*The EOS Ra is a dedicated camera for astrophotography subjects, and is not recommended for everyday photographic use.
Compatible with EF/EF-S Lenses*
The EOS Ra camera is designed to integrate smoothly into existing EOS systems. Engineered to work seamlessly with RF lenses, it maintains complete compatibility with EF and EF-S lenses by using one of three optional Mount Adapters. When using EF-S lenses, the EOS Ra even crops automatically to reflect the APS-C sized sensor the lenses are designed for.
* Optional Mount Adapter EF-EOS R is required when using EF/EF-S lenses with an EOS R camera.
54mm Large Diameter and Short Back Focus
The RF mount on the EOS Ra camera has a large, 54mm internal diameter that enables impressive handling and provides increased flexibility for lens design. And thanks to the camera's mirrorless design, the lens's rear element can be much closer to the image plane. This reduced back focus distance, combined with the RF mount's 54mm diameter, helps facilitate lenses of stellar optical quality and stunning performance while enabling innovative compact camera and lens designs.
20mm Flange Focal Distance with Robustness for Professional Use
All RF lenses feature a 20mm flange focal distance, which is the distance from the lens mount to the surface of the image sensor. This flange focal distance balances the benefits of short back focus with the engineering requirements necessary for mount stability. Accordingly, the RF mount's flange focal distance ensures excellent optical performance while maintaining the mount rigidity and camera durability necessary for real-world operation.
12 Pins for Quickly Communicating Large Amounts of Information
With a robust 12 pin connection between the camera and the lens, the EOS Ra camera and RF lenses are able to communicate at a higher speed, transmitting a larger amount of data and information for incredibly fast AF, plus enhanced image stabilization and optimization.
Variety of Mount Adapter Options for Expanded Compatibility with EF/EF-S Lenses
Mount adapters, such as the Mount Adapter EF-EOS R, deliver seamless connections between the EOS Ra camera and EF and EF-S lenses with all functions intact. Offering L series level weather and dust sealing, the Mount Adapter EF-EOS R is even compatible with EF extenders like the Extender EF 1.4x III to extend your camera's optical reach. With an entire arsenal of EF and EF-S lenses at your disposal, the Mount Adapter EF-EOS R and other mount adapters ensure endless creative possibilities for the EOS Ra camera.
Beyond enabling use of EF and EF-S lenses on the EOS Ra camera, the Control Ring Mount Adapter EF-EOS R and the Drop-in Filter Mount Adapter EF-EOS R add functions that open up a number of new possibilities for creative image capture. The Control Ring Mount Adapter EF-EOS R adds a control ring like those found on RF lenses, providing the same level of control to your EF and EF-S lenses and supporting the same setting configuration regardless of lens. The Drop-in Filter Mount Adapter EF-EOS R enables compatibility with EF and EF-S lenses and includes drop-in filter capability for use with circular polarizing filters or variable ND filters. This enhancement enables compatibility with numerous lenses regardless of their front diameter, and makes filter use possible with lenses like the ultra-wide EF 11-24mm f/4L USM lens or the tilt-shift TS-E 17mm f/4L lens which cannot accept a filter on the front.
30.3 Megapixel Full-frame CMOS Sensor
The EOS Ra is Canon's first astro-dedicated mirrorless camera that features a Canon-developed and produced 35mm full-frame CMOS sensor with approx. 30.3 effective megapixels. It employs the DIGIC 8 Image Processor to enhance the speed of operations across the board. This means fast, efficient performance and phenomenal image quality for big prints, impressive 4K video and more.
The EOS Ra camera has a standard ISO sensitivity range of 100-40000 for stills and 100-25600 for video (100-12800 for 4K video shooting). Combined with the EOS Ra camera's remarkable low-light AF performance, still and video shooting is possible even in dark situations in a variety of places and occasions.
Digital Lens Optimizer
The EOS Ra camera has an in-camera Digital Lens Optimizer that works with RF lenses (and EF/EF-S lenses with a Mount Adapter) to provide a substantial improvement in image quality. The Digital Lens Optimizer limits deterioration in image quality caused by low-pass filters or wide-aperture lens designs. It is particularly effective at correcting peripheral aberration, providing a high amount of detail for beautifully natural results. It's usable both during shooting and when developing RAW data, and does not affect continuous shooting speeds. Data from compatible EF and EF-S lenses is built into the camera, and data information from RF lenses is transferred near instantly through the EOS R's 12 pin communication system.
High-speed Focusing in Approx. 0.05 sec.***
The EOS Ra camera's highly responsive Dual Pixel CMOS AF system features an incredible 5,655 manually selectable AF positions** and can deliver sharp focus within approximately 0.05 seconds***. This means fast action can be captured and focus can be maintained with speed, accuracy and ease.
*** Based on the results of AF speed tests in accordance with CIPA guidelines. Results may vary depending on shooting conditions and lens in use. Relies on internal measurement method.
AF Area Coverage of Approx. 88% x 100%^
The EOS Ra camera features an expansive focus area of approx. 88% horizontal and 100% vertical^ not only with RF lenses, but also when working with select EF lenses. With older EF lenses, or with Extender types I and II, the EOS Ra focuses approx. 80% horizontally and 80% vertically - This means fast and impressive focusing.
^ When shooting still photos. Actual coverage varies depending on the lens in use.
AF Points and AF Area
The EOS Ra camera features a sophisticated AF system with a maximum of 5,655 manually selectable AF positions**, which covers almost the entire image sensing area. The EOS Ra can also be configured to focus on specific areas, using an extended range of selectable modes that include 1-point AF, Expand AF Area, Zone AF and Large Zone AF in addition to the conventional Face+ Tracking AF.
EV -6^ Low-light Autofocus
Amazing for nighttime photography or in very low light, the EOS Ra camera's brilliant AF can operate in light as dim as a light rating of EV -6^ where other AF systems may fail or search. Phenomenal AF is achieved even when using lenses with high F numbers. This ultra-sensitive AF works in concert with the EOS R's EVF to clearly capture subjects even when there's limited light.
^ When using RF 50mm F1.2 L USM, with central AF point.
f/8 and f/11 Compatible in All AF Areas
The EOS Ra camera's brilliant AF system doesn't just work with bright lenses. With the EOS Ra, autofocus will operate over nearly the entire image area even when used with compatible f/8 and f/11 lenses. For example, users can take ultra-telescopic 800mm shots using a compact EF 100-400mm f/4-5.6 IS II lens together with an EF 2x III extender, and AF will function properly over the entire field. When used with a III-type extender, the effective AF range is limited to an area roughly 88% x 100% of the total image frame, or 80% x 80% if combined with a I/II type extender.
Variety of AF Modes including Eye Detection AF
The EOS Ra camera's Face+ Tracking mode helps enhance reliability for tracking moving subjects. When the camera detects a human face, it uses the subject's eye as the AF point, choosing the eye closest to the camera by default. Photographers can also select which eye to focus on by touching the screen or using the camera's AF point selection button and cross keys.
Touch and Drag AF
Touch and Drag AF makes it fast and easy to select a focus point without taking your eye away from the viewfinder. Using the Touchscreen LCD, it's as simple as pointing to the desired area of focus. The chosen AF point is then displayed in the camera's EVF for quick confirmation.
Among the EOS Ra camera's manual focus aids, Focus Peaking helps establish the focus area quickly and clearly. With manual focus peaking, the outline of the area in focus is indicated by a colored line. Focus Peaking is usable in conjunction with the EOS R's Focus Guide feature, and can be customized with peaking color and detection level specifications that fit the project at hand.
Dual Pixel Focus Guide
For help when using manual focus while recording videos and shooting still images, the EOS Ra camera's Dual Pixel Focus Guide not only indicates when subjects are in focus, but also displays where the position of focus is relative to the subject. This function can be combined with Zone AF or Face Detection AF as well.
4K 30p, Full HD 60p, HD 120p
The EOS Ra camera offers advanced recording features such as 4K at 29.97 fps, Full HD at 59.94 fps and HD at 119.9 fps. Helpful functions include distortion correction during recording and Movie Digital IS. Additionally, video can be recorded during still photo shooting by simply pressing the Movie Shooting button. Beautiful time-lapse videos can also be created in 4K simply and easily with the dedicated Time-lapse Movie mode – ideal for capturing movement of the stars across the night sky.
Canon Log is included in the EOS movie gamma selections. This feature reduces heavy shadows and blown out highlights, delivering movie images with approximately 12 stops of dynamic range (at ISO 400) for excellent shadow and highlight detail. Especially useful for moviemakers and videographers planning on using video clips in post-production and integrating EOS Ra footage with clips from other cameras, Canon Log is an indispensable tool that helps make the EOS R a serious movie camera.
10-bit 4:2:2 HDMI Output
For advanced video capture and for generating video that can be incorporated with footage shot on other cameras in post-production, the EOS Ra camera has an HDMI port that can output 4K video directly to an external drive. The camera can also output 10-bit movie footage in ITU-R BT.2020 color when Canon Log setting is activated.
To help confirm the clarity and levels of sound being recorded, the EOS Ra camera is equipped with a 3.5mm diameter stereo mini jack for use of compatible headphones when recording video. It has a maximum output level of -14dBV, helping deliver audible and high-quality audio to wired headphones.
For use with an external microphone, the EOS Ra camera has a 3.5mm diameter stereo mini jack in addition to its built-in stereo microphone. Particularly useful in situations with specific sound recording needs, the EOS Ra's compatibility with external microphones helps ensure that sound recordings complement the quality of the captured footage.
4K IPB/ALL-I MP4 H.264
The EOS Ra camera can record 4K video using IPB or ALL-I compression and save them as MP4 files. This helps provide further flexibility with both file size, image quality and integration with video clips recorded with other cameras.
0.5-type OLED EVF with Approx. 3.69 Million Dots
The EOS Ra camera features a high-precision 0.5-inch OLED (Organic Light-Emitting Diode) EVF with approx. 3.69 million dots and a 23mm eyepoint. Displaying a bright image and extensive shooting information that rotates with the camera, the viewfinder excels in bright conditions where viewing the camera's LCD may prove difficult.
The EOS Ra's electronic viewfinder has been created to provide a bright, sharp and colorful 100% view of the subject at hand. Equipped with an aspherical lens, the EVF shows a crisp and vivid image with minimal aberration or distortion, even when the eye moves off the center of the visual field.
The EOS Ra's EVF has a bright, 23mm-high eyepoint design that creates a generous 30mm space between your nose and the rear of the viewfinder. This makes it easy to compose and view images in the viewfinder with or without glasses. A dioptric adjustment of -4 - +2 means it's simple to change as needed to suit various users.
The EVF's 0.5-inch OLED based display features approximately 3.69 million dots for an incredibly sharp and detailed image that makes it easy to check focus and view the extensive image data that's displayed.
Vari-angle Touchscreen LCD
The EOS Ra camera features a 3.15-inch, 2.1 Megapixel Clear View LCD II Vari-angle Touchscreen LCD. Brightness is adjustable in seven levels and four types of color adjustment are supported, including warm and cool tones. Its extensive flexibility makes it easy to compose and shoot from virtually any angle, making selfies simple and enabling the LCD to fold away when not in use. The brightness of the EVF and the LCD monitor can even be adjusted individually - a first for an EOS camera. Touchscreen features include settings, review and even AF point selection.
Dot-matrix LCD Panel
An LCD panel on the top of the camera features a dot-matrix display that shows information on the camera's status, recording mode and more. It gives real-time setting information both when the camera is in use or on standby, and can be inverted from black to white to suit viewing preferences or the ambient light source. For convenience, the LCD remains on even when the camera is powered down.
Lightweight and Compact
With a compact, lightweight and comfortable design, the EOS Ra camera reflects Canon's decades of experience designing and manufacturing cameras. With an intelligent layout of buttons, dials and screens, the EOS Ra is intuitive for new users and feels familiar to EOS users, offering the advanced features and nimble operation EOS users demand.
Deep Grip with Convenient Shutter Button Position
Although relatively compact in size, the EOS Ra camera features a large, ergonomic grip that makes the camera easy and comfortable to hold, even for long stretches of time. The EOS R's shutter button is even positioned atop the camera grip in a way that's easy to access and will feel familiar to any EOS user. With the EOS Ra's thoughtfully designed grip, shutter position and button layout, switching between the EOS Ra and other EOS cameras can be both comfortable and intuitive.
The EOS Ra camera is designed and engineered to create a balanced and reliable user experience. Whether shooting with the impressive RF 28-70mm F2 L USM's zoom, with the compact RF 35mm F1.8 Macro IS STM or with an EF lens with adapter and extender attached, the EOS Ra's deep grip, even weight and shallow body reflect a thoughtful design that’s ideal for extended use.
High Magnification Ratio of 30x in Live View
The EOS Ra camera gives you the choice of standard, full-frame viewing in 5x or 30x magnification - this is the first Canon EOS camera with 30x capability. This feature provides you with a tool for extremely precise focusing upon small stars and other astrophotography subjects. The EOS Ra camera is also able to display the 30x magnification through the electronic viewfinder, along with its LCD screen for Live View operation.
*For remote operation via EOS Utility software, viewing on computer or mobile device screens, the 30x magnification feature is not possible.
Comfortable and solid in the hand, the EOS Ra camera features a rigid yet lightweight magnesium alloy chassis that enhances body durability while shielding the camera from electromagnetic radiation and heat. It also has a tempered front panel for internal rigidity.
The EOS Ra camera has a robust, electronically controlled focal-plane shutter that's rated to approx. 200,000 cycles for consistent and reliable use. It shoots as fast as 1/8000 sec. at up to 8 fps, and up to 5 fps with Servo AV.
Dust- & Water-resistant Sealing
The EOS Ra camera is designed for use in a variety of weather conditions. Sealing materials are used in critical areas like the buttons, terminal covers, the battery compartment and the card slot cover. Precise design and construction help to minimize accidental penetration of dust and moisture in the rest of the camera body. Combined with an RF lens, or any other weather-sealed EF/EF-S lens, the EOS Ra proves to be a reliable partner in virtually any climate.
Shutter Closes if Powered Off without Lens
The EOS Ra camera has a mechanism to close the shutter when the camera is powered down. A mechanical shutter sound is audible when the camera is turned on or off. To protect the shutter curtain, focus is moved to infinity for RF and EF lenses and the minimum aperture is set for RF lenses when the camera is turned off.
The EOS Ra camera has a silent shutter feature that uses an inaudible electronic shutter instead of the camera's focal-plane shutter.
USB Charge Compatible
The EOS Ra camera is compatible with the USB Power Adapter PD-E1 for in-camera charging via USB. Featuring an industry standard USB-C connector, the USB Power Adapter PD-E1 makes for easy charging without the necessity to remove the battery from the camera.
Battery Pack LP-E6N
For power and the convenience of compatibility among multiple cameras, the EOS Ra camera uses Battery Packs LP-E6N, the same batteries used on the EOS 5D Mark IV and others. Especially helpful for photographers with multiple EOS cameras, the Battery Pack LP-E6N is a robust, long-lasting battery that helps deliver power, shot after shot, recording after recording.
Battery Grip BG-E22
The EOS Ra camera's dedicated Battery Grip BG-E22 holds 2 Battery Packs LP-E6N, while enabling virtually seamless vertical operation and additional functions with all buttons similarly configured in a comfortable and dedicated grip. Designed to maintain an optimal balance between the weight of the camera body and lens, the Battery Grip BG-E22 also adds a flash sync terminal for use in the studio. It also has a useful battery charging function (with optional USB power delivery adapter attached) that's particularly helpful for power-hungry operations like video recording or shooting over an extended period of time with the EVF.
* Optional Mount Adapter EF-EOS R is required when using EF/EF-S lenses with an EOS R camera.
** Available AF positions may decrease when shooting with AF cropping or in movie mode, or depending on camera settings or lens attached.
^ The EOS Ra camera is not recommended for general photography, since the camera cannot achieve normal color balance when shooting subjects that emit or reflect infrared radiation.
† Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary.
Sensor Resolution: 30.3 megapixel
Sensor: Full-Frame CMOS with increased Hydrogen Alpha transmission
Video Resolution: 4K
Continuous Shooting Speed: 8fps
Auto Focus Points: 5,655
Lens Mount: Canon RF
Shutter Speed: 30sec - 1,8000/sec
ISO Sensitivity: 100 - 40,000
Screen Size: 3.15"
Recording Media: SD/SDHC/SDXC
Frame Rate: 120fps
Audio Inputs: 3.5mm stereo minijack
Power Source: LP-E6N Li-ion battery
Weatherproof: Weather resistant
What's In the Box
LP-E6N li-ion battery
LC-E6 battery charger