EOS R50vs Pentax K-3 Mark IIIvs Sony RX100 VII

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 RX100 VII Sony Sony RX100 VII (2019) From £1099 Best for Travel & versatility View Sony RX100 VII

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.

Travel & Versatility — Sony RX100 VII (2019): The most versatile compact camera ever made — 24-200mm zoom, 20fps burst, and 960fps slow-motion in a jacket pocket.

↓ 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 RX100 VII (2019)

  • You want serious image quality in a camera small enough to carry absolutely everywhere
  • You shoot travel, events, or street photography and want something discreet but genuinely capable
  • You need fast burst shooting and reliable autofocus in the most pocketable possible package

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

Full specifications

Specification EOS R50 (2023)Pentax K-3 Mark III (2021)Sony RX100 VII (2019)
Price £599 £1,699 £1,099
Sensor 24.2MP APS-C CMOS 25.7MP APS-C BSI CMOS (AA-filterless) 20.1MP 1-inch Exmor RS BSI CMOS (stacked)
Resolution 24.2MP 25.7MP 20.1MP
Video 4K/30p (uncropped 4K/24p), FHD/60p 4K/30p, 1080p/60p 4K/30p HLG, FHD/960fps super slow-motion
Autofocus Dual Pixel CMOS AF II, face/eye/subject tracking SAFOX 13 phase-detect, 101-point (25 cross-type) 357-point phase-detect + 425 contrast, Eye AF, tracking
Stabilisation None (no IBIS) 5.5-stop 5-axis IBIS (Shake Reduction III) 3-stop Optical SteadyShot
Burst Rate 12fps mechanical, 15fps electronic 12fps 20fps AF/AE tracking (90fps short burst)
Battery Life ~380 shots (CIPA) 800 shots (CIPA) ~260 shots (CIPA)
Weight 375g body only 820g body only 302g with battery and card
Dimensions 116.3 × 85.5 × 68.8mm 134.5 × 103.5 × 73.5mm 101.6 × 58.1 × 42.8mm
Weather Sealed No Yes No
Viewfinder EVF, 2.36M dots Optical pentaprism, 100% coverage, 1.05× magnification Pop-up EVF, 2.36M dots, 0.59× magnification
Screen 3.0" vari-angle touchscreen 3.2" tilting touchscreen 3.0" tilting touchscreen
Mount Canon RF-S / RF Pentax KF-mount Fixed Zeiss Vario-Sonnar 24-200mm f/2.8-4.5
Memory Cards Single SD UHS-II slot Dual SD UHS-II Single SD UHS-I slot
Connectivity USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C, Bluetooth, Wi-Fi, NFC
⚡ Compare specs side by side EOS R50 prices → Pentax K-3 Mark III prices → Sony RX100 VII prices →

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