Canon EOS R3 size comparison: DWARFS the R5, smaller than Nikon and Fuji rivals

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Size comparison reveals that the Canon EOS R3 is leaner than the competition's pro-body cameras

Canon EOS R3 size
(Image credit: Camerasize.com)

The Canon EOS R3 utterly dwarfs the Canon EOS R5, which isn't exactly a shock given that it's a camera with a professional form factor (ie it has a larger body with built-in vertical grip). However, what may come as a surprise is that it is smaller than its pro-body rivals from Nikon, Fujifilm, Olympus and even Canon itself. 

New size comparisons reveal that the Canon EOS R3 is smaller than the Canon EOS-1D X Mark III and Nikon D6 DSLRs, the medium format Fujifilm GFX 100 and the incongruous Micro Four Thirds Olympus OM-D E-M1X – all cameras with integrated grips, built with professional use in mind.

• Read more: Best professional cameras

That's according to new data from size comparison website camerasize.com (hat tip to Photo Rumors for the spot and the images), which has added pre-release data on the Canon EOS R3 to its database – though of course, these details are subject to change as the camera comes closer to release.

The site enables us to make realistic side-by-side comparisons of the R3 and its opposite numbers from other manufacturers. Here's how the upcoming camera compares to its rivals, as well as the Canon EOS R5 to provide a better sense of scale with regular bodies.

Canon EOS R3 (left) vs Canon EOS R5 (right) – Unsurprisingly, the R5 looks positively tiny in comparison!  (Image credit: Canon)

Canon EOS-1D X Mark III (left) vs Canon EOS R3 (middle) vs Nikon D6 (right) – Next to pro DSLRs, however, it's the R3 that looks tiny. (Image credit: Camerasize.com)

Canon EOS R3 (left) vs Fujifilm GFX 100 (right) – Fujifilm's 100MP medium format monster isn't aimed at the same end user, but it's still a pro camera through and through. (Image credit: Camerasize.com)

Canon EOS R3 (left) vs Olympus OM-D E-M1X (right) – The most peculiar comparison of all is with one of the most peculiar cameras, the E-M1X (which hardly extolls the size benefits of the tiny Micro Four Thirds sensors!). (Image credit: Camerasize.com)

Again, this is based on pre-release data that's subject to change – though even using crude calculations based on the size of the RF mount, these are going to be pretty good ball park estimates.

Obviously there are still plenty of big unknowns about the camera – in fact, here are 5 things we don't know about the Canon EOS R3 – but it's helpful to have an idea of just how big it will (or, more accurately, won't) be. 

Read more: 

Canon EOS R5 review
Canon EOS-1D X Mark III review
Nikon D6 review
Fujifilm GFX 100 review
Olympus OM-D E-M1X review

James Artaius
James Artaius
Editor

James has 22 years experience as a journalist, serving as editor of Digital Camera World for 6 of them. He started working in the photography industry in 2014, product testing and shooting ad campaigns for Olympus, as well as clients like Aston Martin Racing, Elinchrom and L'Oréal. An Olympus / OM System, Canon and Hasselblad shooter, he has a wealth of knowledge on cameras of all makes – and he loves instant cameras, too.