EOS R50vs Pentax K-3 Mark IIIvs Sony FX30

GearFrame · Updated March 2026

Canon EOS R50 Canon EOS R50 (2023) From £599 Best for Beginners & family View EOS R50
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 Sony FX30 Sony Sony FX30 (2022) From £1799 Best for Video creators & filmmakers View Sony FX30

Which should you buy?

Beginners & Family — EOS R50 (2023): Canon's most beginner-friendly RF body — Dual Pixel AF and beautiful colour science in an approachable package.

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.

Video Creators & Filmmakers — Sony FX30 (2022): The Cinema Line entry point — S-Cinetone colour science, 4K/120p, and XLR audio in a compact, affordable body that punches far above its price.

↓ Full specifications below

EOS R50 (2023)

  • You're completely new to mirrorless cameras and want something uncomplicated
  • You create vertical content for TikTok, Instagram Reels, or YouTube Shorts
  • You want great autofocus without needing to understand complex menus

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

Sony FX30 (2022)

  • You're a filmmaker or video producer who wants Sony cinema colour in a compact, affordable body
  • You want 4K/120fps slow motion without the cost of an FX3 or FX6
  • You shoot documentary, corporate video, or YouTube content at a professional standard

Quick take: The sony fx30 has the highest resolution at 26mp; the eos r50 is the most affordable; only the pentax k-3 mark iii, sony fx30 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification EOS R50 (2023)Pentax K-3 Mark III (2021)Sony FX30 (2022)
Price £599 £1,699 £1,799
Sensor 24.2MP APS-C CMOS 25.7MP APS-C BSI CMOS (AA-filterless) 26.1MP APS-C BSI Exmor R CMOS
Resolution 24.2MP 25.7MP 26.1MP
Video 4K/30p (uncropped 4K/24p), FHD/60p 4K/30p, 1080p/60p 4K/120p, 4K/60p S-Log3, 1080p/240p
Autofocus Dual Pixel CMOS AF II, face/eye/subject tracking SAFOX 13 phase-detect, 101-point (25 cross-type) Real-time tracking AF, 759-point phase-detect
Stabilisation None (no IBIS) 5.5-stop 5-axis IBIS (Shake Reduction III) 5-axis Active IBIS
Burst Rate 12fps mechanical, 15fps electronic 12fps 20fps electronic
Battery Life ~380 shots (CIPA) 800 shots (CIPA) 740 shots (CIPA)
Weight 375g body only 820g body only 579g body only
Dimensions 116.3 × 85.5 × 68.8mm 134.5 × 103.5 × 73.5mm 129.7 × 77.8 × 84.5mm
Weather Sealed No Yes Yes
Viewfinder EVF, 2.36M dots Optical pentaprism, 100% coverage, 1.05× magnification None (EVF optional via XLR handle)
Screen 3.0" vari-angle touchscreen 3.2" tilting touchscreen 3.0" fully articulating touchscreen
Mount Canon RF-S / RF Pentax KF-mount Sony FE (E-mount)
Memory Cards Single SD UHS-II slot Dual SD UHS-II Dual CFexpress Type A / SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R50 prices → Pentax K-3 Mark III prices → Sony FX30 prices →

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