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Canon EOS R3vs Q3 43

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) Starting from £5999 new Best for Sports & photojournalism professionals View Canon EOS R3
VS
Leica Q3 43 Leica Q3 43 (2024) Starting from £6995 new Best for Documentary, portrait & reportage photography View Q3 43

GearScore™ Verdict — Which should you buy?

Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.

Documentary, Portrait & Reportage Photography — Q3 43 (2024): The Q3 with the most human lens — 43mm, 60MP, and Leica rendering at its most natural and versatile.

↓ Full specifications below

Canon EOS R3 (2021)

  • Professional sports and photojournalism photographers
  • Canon users who need the fastest burst and most reliable AF in the system
  • R5 users who want a pro-grade grip and faster shooting speed
  • Event photographers who need eye-controlled AF and dual card slots

Q3 43 (2024)

  • Portrait and documentary photographers who find 28mm too wide and 50mm too tight
  • Q3 owners who prefer a natural 43mm perspective over the iconic 28mm Summilux
  • Reportage photographers who want the discreet Q3 form factor with a more intimate focal length
  • Leica system users who want a fixed-lens body that excels across multiple genres

Quick take: The q3 43 has the highest resolution at 60mp; the canon eos r3 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)Q3 43 (2024)
Price £5,999 £6,995
Sensor 24.1MP full-frame BSI stacked CMOS 60MP full-frame BSI CMOS
Resolution 24.1MP 60.0MP
Video 6K RAW, 4K/120p, 1080p/180p 8K/30p, 4K/60p 10-bit — L-Log
Autofocus Dual Pixel CMOS AF II with Eye Control AF Phase-detect AF with face and eye detection
Stabilisation 8-stop IBIS 8-stop IBIS (combined with OIS)
Burst Rate 30fps electronic / 12fps mechanical 15fps electronic
Battery Life 620 shots (CIPA) ~350 shots (CIPA)
Weight 1015g body only 743g body only
Dimensions 150.0 × 142.6 × 87.2mm 130.0 × 80.3 × 91.1mm
Weather Sealed Yes Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF 0.79× 5.76M-dot OLED
Screen 3.2" fully articulating touchscreen 3.0" fully articulating touchscreen, 1.84M dots
Mount Canon RF Fixed Summicron-M 43mm f/2 ASPH (43mm — closest to human field of view)
Memory Cards Dual CFexpress Type B Single UHS-II SD slot
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C 3.2 Gen 2, Wi-Fi 5GHz, Bluetooth 5.0
Genre Canon EOS R3Q3 43
Sports & Action
9.0
Wildlife
9.0
4.0
Photojournalism
9.0
Vlogging & Video
7.0
Wedding & Events
7.0
Travel
4.0
9.0
Portrait
9.0
Street
9.0
Landscape
7.0
Sports
4.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side Canon EOS R3 prices → Q3 43 prices →

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