Canon EOS R5 Mark IIvs Leica SL3vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon Canon EOS R5 Mark II Canon Canon EOS R5 Mark II (2024) From £4299 Best for Hybrid shooters & professionals View Canon EOS R5 Mark II
VS
Leica Leica SL3 Leica Leica SL3 (2024) From £6499 Best for Professional & luxury hybrid shooters View Leica SL3
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?

Hybrid Shooters & Professionals — Canon EOS R5 Mark II (2024): The most complete hybrid camera Canon has ever made — 45MP stacked BSI, 30fps burst, 8K/60p RAW, and Canon's legendary Dual Pixel AF in one body.

Professional & Luxury Hybrid Shooters — Leica SL3 (2024): Leica's most capable mirrorless — 60MP, 30fps burst, 8K ProRes, and 7.5-stop IBIS with L-mount's growing lens ecosystem.

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 R5 Mark II (2024)

  • You're a working photographer or filmmaker who needs high-resolution stills and professional video
  • You shoot commercial, editorial, or high-end portrait work
  • You want the absolute best Canon mirrorless has to offer

Leica SL3 (2024)

  • You want Leica image quality with the convenience of autofocus and interchangeable lenses
  • You shoot portraits, commercial, or editorial and want the best Leica system camera
  • You plan to use Leica M lenses via adapter alongside native SL glass

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 sl3 has the highest resolution at 60mp; the pentax k-3 mark iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R5 Mark II (2024)Leica SL3 (2024)Pentax K-3 Mark III (2021)
Price £4,299 £6,499 £1,699
Sensor 45MP full-frame BSI stacked CMOS 60MP full-frame BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 45.0MP 60.0MP 25.7MP
Video 8K/60p RAW, 4K/120p, Cinema RAW Light 8K/30p, 4K/60p, Apple ProRes 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF II, AI subject tracking Phase-detect AF with subject/face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 8-stop IBIS (coordinated with IS lenses) 7.5-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 30fps electronic / 12fps mechanical 30fps electronic 12fps
Battery Life 570 shots (CIPA) 410 shots (CIPA) 800 shots (CIPA)
Weight 746g body only 875g body only 820g body only
Dimensions 138.5 × 101.2 × 93.5mm 146.0 × 104.0 × 42.0mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder 0.64" OLED EVF, 5.76M dots, 120fps 0.78" OLED EVF, 5.76M dots Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.2" fully articulating touchscreen 3.2" fixed touchscreen 3.2" tilting touchscreen
Mount Canon RF Leica L-mount Pentax KF-mount
Memory Cards CFexpress Type B + SD UHS-II Dual SD UHS-II Dual SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth USB-C 3.1, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R5 Mark II prices → Leica SL3 prices → Pentax K-3 Mark III prices →

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