With the Canon EOS R3, Canon wants to close a gap between the EOS R5 and Canon&s current, but still mirror-equipped flagship EOS-1D X. Since the introduction of the EOS-3 film camera in 1998, which was widespread at the time, there have been no more "3 cameras" from Canon. At the same time, Canon implicitly communicates that the R3 is not yet a mirrorless full-frame flagship, but that they still leave some room for improvement for an upcoming R1. Canon sees the functional focus of the R3 in sports, nature and wildlife photography, which is why the improved AF performance and shutter speed for fast-moving subjects are primarily emphasized here.
At the heart of the new EOS R3 is a 24.1-megapixel, rear-exposed BSI CMOS sensor designed and manufactured by Canon. The sensor, combined with the DIGIC X processor, is said to offer fast readout for photos, providing continuous burst shooting at up to 30 frames per second in electronic (silent) shutter mode and up to 12 frames per second in mechanical shutter mode. It sounds exciting that Canon promises "minimized rolling shutter distortion," which is important for photos without a mechanical shutter-but could also be highly exciting for filmmakers.
Like the EOS R5 and R6, the camera features the improved Dual Pixel CMOS AF II with 1,053 AF points and EOS iTR tracking for subjects such as eyes, face, head, animals, and select cars and motorcycles. In addition, the camera features In-Body Image Stabilized (IBIS) correction, which is said to reduce camera shake by up to 8 stops.
The new electronic viewfinder with 5.76 million pixels and 120 frames per second also offers the ability to control the camera&s autofocus just by looking at a subject, but this feature is only available for photos for now. Still, the EOS R3 also has a lot of interesting features for filmmakers under the hood:
For example, the camera can record 6K 60p RAW at full sensor readout, oversampled 4K60p as well as cropped 4K120p 10-bit video with Canon Log 3 support in APS-C/S35 - all of this even with 5-axis IBIS active, which can also be combined with in-lens stabilization. Regarding the possible recording times (which, among other things, again depend on the internal camera temperature), Canon last mentioned: 4k60p - 60 minutes and more, 4K120p 12 minutes. The R3 is also the first Canon DSLM without a 30-minute recording limit. A CFExpress as well as an SD card slot are available for internal recording.
The R3 also features Canon&s new multi-function accessory shoe and is compatible with the newly introduced DM-E1D stereo directional microphone. Two-channel recording with professional XLR microphones is possible via the TEAC Tascam CA-XLR2d-C XLR adapter, which is also new.
The EOS R3 uses the same LP-E19 battery as the EOS-1D X Mark II and EOS-1D X Mark III, allowing for relatively long recording times (reportedly about 3 hours of 6K/4K video without AF). The R3 can be both charged and powered via USB in the process. In addition, the EOS R3 has a relatively lightweight body (approx. 830 g) made of a robust Magnesium alloy with dust and splash water protection.
The EOS R3 is scheduled to be available from November 2021 for 5,999 euros.