Fujifilm GFX 100S IIvs Sigma fpvs Sony A9 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
Sigma Sigma fp Sigma Sigma fp (2019) From £1499 Best for Creative filmmakers & experimental photographers View Sigma fp
VS
Sony Sony A9 III Sony Sony A9 III (2023) From £5999 Best for Sports & action professionals View Sony A9 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.

Creative Filmmakers & Experimental Photographers — Sigma fp (2019): The smallest full-frame camera in the world — Cinema DNG RAW and L-mount flexibility in a pocket-sized body that rewards creative shooters.

Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.

↓ 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

Sigma fp (2019)

  • You're a filmmaker building a cinema rig where the smallest full-frame body is essential
  • You want L-mount compatibility to pair with Sigma Art or Leica SL lenses
  • You prioritise video and cinema colour over stills ergonomics and functionality

Sony A9 III (2023)

  • You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
  • You need reliable high-speed flash sync for studio or on-location action work
  • You want the absolute pinnacle of Sony's action and sports camera technology

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the sigma fp is the most affordable; only the fujifilm gfx 100s ii, sony a9 iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)Sigma fp (2019)Sony A9 III (2023)
Price £4,499 £1,499 £5,999
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 24.6MP full-frame Bayer CMOS 24.6MP full-frame Exmor RS CMOS (global shutter)
Resolution 102.0MP 24.6MP 24.6MP
Video 4K/30p, 1080p/60p 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p 4K/120p, 4K/60p, 1080p/240p
Autofocus Phase-detect AF with subject/face/eye detection Contrast-detect AF with face/eye detection AI subject recognition AF, 759-point phase-detect
Stabilisation 8-stop IBIS None (lens-based only) 8-stop IBIS
Burst Rate 7fps 18fps electronic 120fps blackout-free electronic
Battery Life 460 shots (CIPA) 200 shots (CIPA) 530 shots (CIPA)
Weight 883g body only 422g body only 703g body only
Dimensions 150.0 × 104.2 × 87.2mm 112.6 × 69.9 × 45.3mm 136.1 × 96.9 × 82.9mm
Weather Sealed Yes No Yes
Viewfinder 0.5" OLED EVF, 5.76M dots None 0.64" Quad-XGA OLED EVF, 9.44M dots
Screen 3.2" tilting touchscreen 3.15" fixed touchscreen 3.2" fully articulating touchscreen
Mount Fujifilm GFX (G-mount) Leica L-mount Sony FE (E-mount)
Memory Cards Dual SD UHS-II Single SD UHS-II + CFexpress Type B (via adapter) Dual CFexpress Type A / SD UHS-II
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C 3.1, Wi-Fi, Bluetooth USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3
⚡ Compare specs side by side Fujifilm GFX 100S II prices → Sigma fp prices → Sony A9 III prices →

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