Canon EOS R3
Canon Mirrorless Full-Frame Cameras

Canon EOS R3

By Camera Reviews Editorial Team · Last updated February 18, 2026

Canon RF Mount Released 2021 $5999
Resolution
24 MP
Sensor
Full frame (36 x 24 mm)
ISO Range
Auto, 100-102400 (expands to 50-204800)
Burst Rate
30 fps
Weight
1015g
Price
$5999

Full Specifications

Sensor Size Full frame (36 x 24 mm)
Megapixels 24 MP
ISO Range Auto, 100-102400 (expands to 50-204800)
Autofocus Points 1053
Max Burst Rate (fps) 30 fps
Video Resolution 4K 120p
Image Stabilization 8 stop(s)
Weight 1015g
Dimensions 150 x 143 x 87 mm (5.91 x 5.63 x 3.43″)
Battery Life 760 shots
Price (USD) $5999
Lens Mount Canon RF
Viewfinder Electronic
Screen 3.2″, 4,150,000 dots
Weather Sealed Yes
Release Year 2021

Pros & Cons

What We Like

  • Outstanding eye-controlled autofocus that adapts to user preferences and consistently tracks subjects.
  • Exceptional low-light performance, allowing for shooting at high ISOs (up to 64000) with minimal noise.
  • Fast and reliable autofocus system, particularly effective with wide apertures.
  • High-speed continuous shooting capability at 30 frames per second with an electronic shutter.
  • Robust build quality suitable for challenging weather conditions, praised for its durability.
  • Built-in grip and form factor provide a comfortable handling experience, especially for larger hands.
  • Impressive 6K video recording capabilities that are sharp and detailed.
  • Excellent battery life, with users reporting over 1300 shots on a single charge.

What We Don't

  • Autofocus can occasionally exhibit drifting behavior, especially in complicated scenes or when using certain settings.
  • The camera's size and weight can be cumbersome for some users, particularly those transitioning from smaller bodies.
  • Menus and software interface may feel less intuitive compared to competitors, causing a learning curve.
  • Limited internal 4K recording duration due to overheating concerns, especially with high frame rates.
  • High cost compared to other options, leading some users to question its value relative to the R5.

The Verdict

Overall, the Canon EOS R3 is highly regarded for its exceptional autofocus and low-light capabilities, making it a top choice for professional wildlife and sports photographers. However, its size, price, and some quirks in operation may deter potential buyers, particularly those focused on genres outside of action photography.

"Eye Control is the future unless I can implant a chip into my brain"

-- User from r/photography, praising the innovative autofocus feature.

"I did notice a difference though between RF and EF glass... autofocus is absolutely insane."

-- User sharing their experience in r/canon about lens performance with the R3.

"It's a budget cinematographers dream camera."

-- Comment on r/videography discussing the video capabilities of the R3 compared to its peers.

"You will be glad you did."

-- User discussing the value of the R3 in r/canon after their purchase.

"Get a used R3. It's not old tech at all."

-- Advice given in r/canon about the camera's current relevance.

Want the Full Picture?

Read our in-depth review with sample images, real-world testing, and detailed analysis.

Read Full Review

Compare This Camera

See how the EOS R3 stacks up against the competition.

Featured In

This camera appears in the following curated lists.

Compatible Lenses

Lenses that work with the Canon EOS R3 (Canon RF mount).

Canon
RF 10-20mm f/4L IS STM
Canon
RF 100-300mm f/2.8L IS USM
Canon
RF 100-400mm f/5.6-8 IS USM
Canon
RF 100-500mm f/4.5-7.1L IS USM
Canon
RF 100mm f/2.8L MACRO IS USM
Canon
RF 1200mm f/8L IS USM
Canon
RF 135mm f/1.8L IS USM
Canon
RF 14-35mm f/4L IS USM
Canon
RF 14mm f/1.4L VCM
Canon
RF 15-30mm f/4.5-6.3 IS STM
Canon
RF 15-35mm f/2.8L IS USM
Canon
RF 16-28mm f/2.8 IS STM
Canon
RF 16mm f/2.8 STM
Canon
RF 200-800mm f/6.3-9 IS USM
Canon
RF 20mm f/1.4L VCM
Canon
RF 24-105mm f/2.8L IS USM Z
Canon
RF 24-105mm f/4-7.1 IS STM
Canon
RF 24-105mm f/4L IS USM
Canon
RF 24-240mm f/4-6.3 IS USM
Canon
RF 24-50mm f/4.5-6.3 IS STM
Canon
RF 24-70mm f/2.8L IS USM
Canon
RF 24mm f/1.4L VCM
Canon
RF 24mm f/1.8 MACRO IS STM
Canon
RF 28-70mm f/2.8 IS STM
Canon
RF 28-70mm f/2L USM
Canon
RF 28mm f/2.8 STM
Canon
RF 35mm f/1.4L VCM
Canon
RF 35mm f/1.8 Macro IS STM
Canon
RF 400mm f/2.8L IS USM
Canon
RF 45mm f/1.2 STM
Canon
RF 5.2mm f/2.8L Dual Fisheye
Canon
RF 50mm f/1.2L USM
Canon
RF 50mm f/1.4L VCM
Canon
RF 50mm f/1.8 STM
Canon
RF 600mm f/11 IS STM
Canon
RF 600mm f/4L IS USM
Canon
RF 7-14mm f/2.8-3.5L Fisheye STM
Canon
RF 70-200mm f/2.8L IS USM
Canon
RF 70-200mm f/4L IS USM
Canon
RF 75-300mm f/4-5.6
Canon
RF 800mm f/11 IS STM
Canon
RF 800mm f/5.6L IS USM
Canon
RF 85mm f/1.2L USM DS
Canon
RF 85mm f/1.2L USM
Canon
RF 85mm f/1.4L VCM
Canon
RF 85mm f/2 Macro IS STM
Canon
RF-S 10-18mm f/4.5-6.3 IS STM
Canon
RF-S 14-30mm f/4-6.3 IS STM PZ
Canon
RF-S 18-150mm f/3.5-6.3 IS STM
Canon
RF-S 18-45mm f/4.5-6.3 IS STM
Canon
RF-S 3.9mm f/3.5 STM Dual Fisheye
Canon
RF-S 55-210mm f/5-7.1 IS STM
Canon
RF-S 7.8mm f/4 STM Dual

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Frequently Asked Questions

What is the autofocus capability of the Canon EOS R3?

The R3 features an advanced autofocus system with 1,053 points, including eye-controlled autofocus for tracking subjects effectively.

How does the image quality perform in low-light situations?

The R3 delivers excellent low-light performance, supporting ISO settings up to 102,400 and maintaining minimal noise, making it suitable for night or indoor shooting.

Can the R3 record 4K video at high frame rates?

Yes, the EOS R3 can shoot 4K video at up to 120 frames per second, offering filmmakers high-quality output and creative flexibility.

What is the battery life like for the R3?

The Canon EOS R3 boasts a robust battery life, capable of shooting around 760 shots per charge, with real-world performance often exceeding 1,300 shots.

What are the physical dimensions and weight of the Canon EOS R3?

The EOS R3 measures 150 x 143 x 87 mm and weighs approximately 1,015 grams, making it slightly heavier than some other mirrorless options on the market.

Is the Canon EOS R3 worth the investment for amateur photographers?

While the R3 is a top-tier camera designed for professionals, amateur photographers might find better value in lower-priced models unless they specifically require its unique features.