Canon EOS R3vs Canon PowerShot V10vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) From £5999 Best for Sports & photojournalism professionals View Canon EOS R3
VS
Canon Canon PowerShot V10 Canon Canon PowerShot V10 (2023) From £399 Best for Vloggers & content creators View Canon PowerShot V10
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?

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.

Vloggers & Content Creators — Canon PowerShot V10 (2023): A vlog-first compact with a 1-inch sensor, front-facing screen, and Canon's Dual Pixel AF — the simplest way to create clean content on the go.

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

Canon EOS R3 (2021)

  • You shoot sport, motorsport, wildlife, or news at a professional level
  • You need Canon's most reliable and fastest autofocus available
  • You need extreme weather sealing for demanding shooting conditions

Canon PowerShot V10 (2023)

  • You create solo video content and need a simple, self-contained setup
  • You want something more compact and less intimidating than a mirrorless
  • You shoot primarily for social media or YouTube on a tight budget

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 pentax k-3 mark iii has the highest resolution at 26mp; the canon powershot v10 is the most affordable; only the canon eos r3, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)Canon PowerShot V10 (2023)Pentax K-3 Mark III (2021)
Price £5,999 £399 £1,699
Sensor 24.1MP full-frame BSI stacked CMOS 20MP 1-inch stacked CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 24.1MP 20.0MP 25.7MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/30p, 1080p/60p 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 8-stop IBIS Digital IS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 30fps electronic / 12fps mechanical 8fps 12fps
Battery Life 620 shots (CIPA) 230 shots (CIPA) 800 shots (CIPA)
Weight 1015g body only 211g 820g body only
Dimensions 150.0 × 142.6 × 87.2mm 75.2 × 105.7 × 46.5mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes No Yes
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps None Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.2" fully articulating touchscreen 2.0" tilting front-facing screen 3.2" tilting touchscreen
Mount Canon RF Fixed 19mm-equiv f/2.8 lens Pentax KF-mount
Memory Cards Dual CFexpress Type B Single SD UHS-I Dual SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R3 prices → Canon PowerShot V10 prices → Pentax K-3 Mark III prices →

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