EOS R10vs Leica Q3vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon EOS R10 Canon EOS R10 (2022) From £699 Best for Beginners & vlogging View EOS R10
VS
Leica Leica Q3 Leica Leica Q3 (2023) From £5999 Best for Travel, street & premium compact shooters View Leica Q3
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III

Which should you buy?

Beginners & Vlogging — EOS R10 (2022): Canon's most affordable RF body — Dual Pixel AF and a vari-angle screen in a compact, lightweight package.

Travel, Street & Premium Compact Shooters — Leica Q3 (2023): 60MP, Summilux 28mm, IBIS, and weather sealing — the Q3 is the ultimate fixed-lens camera for those who can justify the cost.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

↓ Full specifications below

EOS R10 (2022)

  • You're buying your first serious interchangeable-lens camera
  • You want reliable animal and people tracking without a steep learning curve
  • You want an APS-C body with access to Canon's full RF lens range

Leica Q3 (2023)

  • You want a single camera that's ready for anything, anywhere — no lens changes needed
  • You shoot street, travel, or documentary and want full-frame quality in a compact body
  • You appreciate Leica optical quality and are comfortable committing to one focal length

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

Quick take: The leica q3 has the highest resolution at 60mp; the eos r10 is the most affordable; only the leica q3, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R10 (2022)Leica Q3 (2023)Pentax K-3 Mark III (2021)
Price £699 £5,999 £1,699
Sensor 24.2MP APS-C CMOS 60MP full-frame BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 24.2MP 60.0MP 25.7MP
Video 4K/30p (slight crop), FHD/120p 8K/30p, 4K/60p, C4K/60p 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, eye/face/subject tracking Phase-detect AF with subject/face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) 5.5-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 15fps mechanical, 23fps electronic 15fps 12fps
Battery Life ~430 shots (CIPA) 380 shots (CIPA) 800 shots (CIPA)
Weight 429g body only 743g 820g body only
Dimensions 122.5 × 87.8 × 83.4mm 130.0 × 80.3 × 91.0mm 134.5 × 103.5 × 73.5mm
Weather Sealed No Yes Yes
Viewfinder EVF, 2.36M dots 0.787" OLED EVF, 5.76M dots Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" vari-angle touchscreen 3.0" fixed touchscreen 3.2" tilting touchscreen
Mount Canon RF-S / RF Fixed Summilux 28mm f/1.7 ASPH Pentax KF-mount
Memory Cards Single SD UHS-II slot Single SD UHS-II Dual SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi USB-C 3.1, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R10 prices → Leica Q3 prices → Pentax K-3 Mark III prices →

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