While we wait for Canon to make available the manual and white paper for the Canon EOS R3, they have provided this thorough interactive PDF for the king of Canon's mirrorless lineup.
The Canon EOS R3 is expected to begin shipping near the end of November 2021. The first round of shipments likely won't fulfill all of the preorders, as the camera has proved to be quite popular amongst shooters just going by the preorder numbers.
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Preorder the Canon EOS R3
- Canon EOS R3 $5999 \ €6099 \ £5879
- Canon Eyecup ER-HE $48 \ £69
- Canon AD-E1 Multi-Function Shoe Adapter $39 \ £59
- Canon ST-E10 Speedlite Transmitter $119 \ £159
- Canon DM-E1D Stereo Microphone $299 \ £399
- Canon AD-P1 Android Smartphone Link Adapter $69
I would have thought it would take more than that
I am right eye so that is just a guess.
This implies that the Smart Controller will be a standard feature on all future R series cameras.
There’s a seam between the central plastic circle and the rubber cup, so I’m pretty sure it will be reversible.
Also noteworthy that AF now covers virtually 100 % of the frame. Hopefully, whatever enabled that will make it into the lower end bodies sooner rather than later.
Also, while it is understandable that they compare the rolling shutter performance to the 1DX III, it would be nice to see a direct comparison with the R5. From all I know, the R5 already outperformed the 1DX III with regards to rolling shutter. Which is remarkable, as it has a far greater resolution. Makes you wonder if the R3 really is the first stacked Canon sensor, or if it just is the first stacked BSI one (which is what they claimed in the marketing material).
I'm also really looking forward to the point in time where PTP got some images to measure the sensor performance. Canon claims AF capabilities at even less light than the R6, so perhaps that points to an actual improvement in (measured) image quality.
So if I use the St-E3-Rt with the R3, I need the adapter?
Anyone think it's worth getting the St-10?
Rolling shutter measurements will be provided when the full production models arrive.
Personally, I have an ST-E3-RT, 4 600EX-RT flashes, along with a 270EX II and MT24-EX. FWIW, I preordered both the ST-E10 and the AD-E1 adapter, but that was before I had the piece of information from Canon that non-sealed flash units can mount directly on the R3. I'll probably cancel/return AD-E1 once it's confirmed that direct mounting of sealed flashes on the R3 works (I have never used a flash in the rain), but I'll probably keep the ST-E10 – I like the smaller size, and I am used to controlling the flashes via the camera menus rather than the controls/LCD on the ST-E3-RT.
The stabilisation also looks incredible. What a camera.