Canon EOS R3vs Pentax K-3 Mark IIIvs ZV-E10

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
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
VS
Sony ZV-E10 Sony ZV-E10 (2021) From £399 Best for Vlogging & video View ZV-E10

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.

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.

Vlogging & Video — ZV-E10 (2021): Purpose-built for video creators — real-time Eye AF, flip screen, and excellent 4K at a wallet-friendly price.

↓ 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

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

ZV-E10 (2021)

  • You're starting out as a content creator and want an affordable Sony APS-C mirrorless
  • You want the flexibility to grow your lens collection as your skills and needs develop
  • You're primarily a video creator rather than a stills photographer

Quick take: The pentax k-3 mark iii has the highest resolution at 26mp; the zv-e10 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)Pentax K-3 Mark III (2021)ZV-E10 (2021)
Price £5,999 £1,699 £399
Sensor 24.1MP full-frame BSI stacked CMOS 25.7MP APS-C BSI CMOS (AA-filterless) 24.2MP APS-C Exmor CMOS
Resolution 24.1MP 25.7MP 24.2MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/30p, 1080p/60p 4K/30p, 1080p/120p
Autofocus Dual Pixel CMOS AF II with Eye Control AF SAFOX 13 phase-detect, 101-point (25 cross-type) Phase-detect, 425 points, Real-time Eye AF
Stabilisation 8-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III) None (use OIS lenses)
Burst Rate 30fps electronic / 12fps mechanical 12fps 11fps
Battery Life 620 shots (CIPA) 800 shots (CIPA) ~440 shots (CIPA)
Weight 1015g body only 820g body only 343g body only
Dimensions 150.0 × 142.6 × 87.2mm 134.5 × 103.5 × 73.5mm 115.2 × 64.2 × 44.8mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps Optical pentaprism, 100% coverage, 1.05× magnification None
Screen 3.2" fully articulating touchscreen 3.2" tilting touchscreen 3.0" fully articulating touchscreen
Mount Canon RF Pentax KF-mount Sony E-mount
Memory Cards Dual CFexpress Type B Dual SD UHS-II Single SD UHS-I slot
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, 3.5mm mic input, micro HDMI
⚡ Compare specs side by side Canon EOS R3 prices → Pentax K-3 Mark III prices → ZV-E10 prices →

Compare pairs from this group