Fujifilm GFX 100S IIvs Leica Q3vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Fujifilm Fujifilm GFX 100S II Fujifilm Fujifilm GFX 100S II (2024) From £4499 Best for Commercial, studio & landscape professionals View Fujifilm GFX 100S II
VS
Leica Leica Q3 Leica Leica Q3 (2023) From £5999 Best for Travel, street & premium compact shooters View Leica Q3
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?

Commercial, Studio & Landscape Professionals — Fujifilm GFX 100S II (2024): 102MP medium-format quality in the most accessible GFX body — the best entry point to the Fujifilm GFX system.

Travel, Street & Premium Compact Shooters — Leica Q3 (2023): 60MP, Summilux 28mm, IBIS, and weather sealing — the Q3 is the ultimate fixed-lens camera for those who can justify the cost.

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

Fujifilm GFX 100S II (2024)

  • You need the highest resolution available outside of a Phase One system
  • You shoot studio, fashion, landscape, or architecture at a professional level
  • You want medium format quality without the bulk of a traditional large-format system

Leica Q3 (2023)

  • You want a single camera that's ready for anything, anywhere — no lens changes needed
  • You shoot street, travel, or documentary and want full-frame quality in a compact body
  • You appreciate Leica optical quality and are comfortable committing to one focal length

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 fujifilm gfx 100s ii has the highest resolution at 102mp; the pentax k-3 mark iii is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)Leica Q3 (2023)Pentax K-3 Mark III (2021)
Price £4,499 £5,999 £1,699
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 60MP full-frame BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 102.0MP 60.0MP 25.7MP
Video 4K/30p, 1080p/60p 8K/30p, 4K/60p, C4K/60p 4K/30p, 1080p/60p
Autofocus Phase-detect AF with subject/face/eye detection Phase-detect AF with subject/face/eye detection SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation 8-stop IBIS 5.5-stop IBIS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 7fps 15fps 12fps
Battery Life 460 shots (CIPA) 380 shots (CIPA) 800 shots (CIPA)
Weight 883g body only 743g 820g body only
Dimensions 150.0 × 104.2 × 87.2mm 130.0 × 80.3 × 91.0mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes Yes
Viewfinder 0.5" OLED EVF, 5.76M dots 0.787" OLED EVF, 5.76M dots Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.2" tilting touchscreen 3.0" fixed touchscreen 3.2" tilting touchscreen
Mount Fujifilm GFX (G-mount) Fixed Summilux 28mm f/1.7 ASPH Pentax KF-mount
Memory Cards Dual SD UHS-II Single SD UHS-II Dual SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C 3.1, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side Fujifilm GFX 100S II prices → Leica Q3 prices → Pentax K-3 Mark III prices →

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