EOS R100vs Leica M11vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Canon EOS R100 Canon EOS R100 (2023) From £529 Best for First camera / beginner photography View EOS R100
VS
Leica Leica M11 Leica Leica M11 (2022) From £7999 Best for Rangefinder enthusiasts & collectors View Leica M11
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?

First Camera / Beginner Photography — EOS R100 (2023): The R100 does the basics well at the lowest possible price point. Its main value is as a gateway into the Canon RF ecosystem — the lenses you buy now will work on any Canon body you upgrade to later. Modest ambitions, reliably met.

Rangefinder Enthusiasts & Collectors — Leica M11 (2022): 60MP of full-frame resolution in the thinnest digital M ever made — the M11 is the definitive expression of Leica's rangefinder tradition.

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

EOS R100 (2023)

  • First-time camera buyers stepping up from a smartphone
  • Students and hobbyists wanting an affordable starting point
  • Anyone who wants to start investing in Canon RF glass on a budget
  • Casual photographers who don't need advanced video or speed

Leica M11 (2022)

  • You shoot street, documentary, or reportage and prefer manual focus discipline
  • You value a discreet, minimal camera that doesn't draw attention in public
  • You're willing to invest time in the rangefinder learning curve for a uniquely rewarding experience

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 m11 has the highest resolution at 60mp; the eos r100 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 R100 (2023)Leica M11 (2022)Pentax K-3 Mark III (2021)
Price £529 £7,999 £1,699
Sensor 24.1MP APS-C CMOS 60MP full-frame BSI CMOS (Tri-resolution: 60/36/18MP) 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 24.1MP 60.0MP 25.7MP
Video 4K/30p (slight crop), 1080p/60p None 4K/30p, 1080p/60p
Autofocus Dual Pixel CMOS AF, face detection, subject tracking Manual focus only (rangefinder coupled) SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) None 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 6.5fps mechanical 4.5fps 12fps
Battery Life ~270 shots (CIPA) 700 shots (CIPA) 800 shots (CIPA)
Weight 356g (body, battery, card) 530g body only 820g body only
Dimensions 116.3 × 85.5 × 68.8mm 138.6 × 80.0 × 38.5mm 134.5 × 103.5 × 73.5mm
Weather Sealed No No Yes
Viewfinder EVF, 2.36M dots, 0.59× magnification Optical rangefinder (0.73× magnification) Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" fixed touchscreen, 1.04M dots 2.3" fixed TFT LCD 3.2" tilting touchscreen
Mount Canon RF-mount Leica M-mount Pentax KF-mount
Memory Cards Single SD UHS-II Single SD UHS-II + 64GB internal storage Dual SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side EOS R100 prices → Leica M11 prices → Pentax K-3 Mark III prices →

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