Even professionals, who spend more on photo kit than the average enthusiast will appreciate this.

The EOS R1 also offers Bluetooth and WiFi connectivity.

The camera also balances well with both smaller lenses and larger telephotos.

Canon EOS R1 mirrorless camera in the hand with a basketball court background, under the lights

(Image credit: James Abbott)

Overall build quality is excellent as you’d expect for a professional camera.

But it’s the generously large, almost cinema-like, 9.44m-dot viewfinder that truly caught my eye.

Not only is the viewfinder window large, but so too is the immersive EVF screen itself.

Canon EOS R1 Body

This reduction certainly wasn’t noticed shooting a range of subjects during testing.

The sensor is powered by dual processors: the DIGIC X and the DIGIC Accelerator.

The mechanical shutter extends to 1/8000 sec while the electronic shutter pushes further to a lightning-fast 1/64,000 sec.

Prime

Eye-control AF has to be configured via the camera menu.

Again, Tim Coleman has written adedicated feature about Eye-control AF.

20 frames equates to half a second of pre-capture when shooting at the maximum frame rate.

Canon EOS R1 Mirrorless Camera

Image quality is excellent with raw files naturally providing the greatest degree of flexibility.

JPEG color profiles can be tweaked with custom profiles so photographers can adjust tweaks such as brightness and contrast.

A feature within the camera is AI-powered upscaling and noise reduction.

Adorama

These are frustratingly only available for JPEGs and the former increases file sizes 4x to 96MP.

2K and Full HD video can be captured at up to 240fps, while4Kis available up to 120fps.

Canon EOS R1: testing scorecard

Should I buy the Canon EOS R1?

Canon EOS R1 Mirrorless Camera

The EOS R1 is also heavy and bulky for landscape photography with more suitable cameras available.

Canon EOS R1 top plate with OLED screen

(Image credit: James Abbott)

Canon EOS R1 rear view with LCD screen hidden

(Image credit: James Abbott)

Canon EOS R1 rear view with LCD screen showing camera menu

(Image credit: James Abbott)

Canon EOS R1 dual memory card slots

(Image credit: James Abbott)

Canon EOS R1 Side view of ports

(Image credit: James Abbott)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera with red brick background

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera ’s battery

(Image credit: Future | Tim Coleman)

Canon EOS R1 mirrorless camera in the hand, no lens attached

(Image credit: Future | Tim Coleman)

Canon EOS R1 with 85mm f/1.2 attached

Canon EOS R1 with 15-35mm f/2.8 lens attached

Basketball player, shot with the Canon EOS R1

Before the basketball game started, I took a portrait of this player and selected him as the player for the EOS R1 to prioritize as the primary subject to focus on.(Image credit: Future | Tim Coleman)

Basketball player, shot with the Canon EOS R1

After doing this, the hit rate of sharply focused photos on the player was virtually perfect.(Image credit: Future | Tim Coleman)

Basketball player, shot with the Canon EOS R1

The EOS R1 is able to do this subject priority trick for up to 10 faces.(Image credit: Future | Tim Coleman)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens

(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens showing AI upscaling from original JPEG

AI upscaled JPEG with original photo inset(Image credit: James Abbott)

Seal on a beach shot with the Canon EOS R1 and 200-400mm lens 100% zoom of an AI upscaled JPEG

100% crop of the AI upscaled photo to show detail(Image credit: James Abbott)

James Abbott shooting seals with the Canon EOS R1 and 200-400mm lens

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