Fujifilm GFX 100S IIvs OM System OM-1 Mark IIvs A6700

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
OM System OM System OM-1 Mark II OM System OM System OM-1 Mark II (2024) From £1999 Best for Wildlife, birds & outdoor sports View OM System OM-1 Mark II
VS
Sony A6700 Sony A6700 (2023) From £999 Best for All-round & video View A6700

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.

Wildlife, Birds & Outdoor Sports — OM System OM-1 Mark II (2024): OM System's most capable camera — 120fps AF burst, AI subject detection, and IP53 weather sealing make it the best-value pro wildlife camera.

All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.

↓ 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

OM System OM-1 Mark II (2024)

  • You shoot wildlife, birds in flight, or fast-moving action where tracking accuracy is critical
  • You need extreme weather sealing for shooting in rain, dust, mud, or freezing cold
  • You're invested in the MFT ecosystem and want the absolute best body available

A6700 (2023)

  • You want a compact, travel-friendly system without sacrificing autofocus performance
  • You're an enthusiast upgrading from an entry-level camera and ready for a more capable body
  • You shoot wildlife or sports and want APS-C reach from a lightweight kit
  • You create video content and need reliable subject and eye tracking in a small form factor

Quick take: The fujifilm gfx 100s ii has the highest resolution at 102mp; the a6700 is the most affordable; only the fujifilm gfx 100s ii, om system om-1 mark ii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Fujifilm GFX 100S II (2024)OM System OM-1 Mark II (2024)A6700 (2023)
Price £4,499 £1,999 £999
Sensor 102MP medium-format BSI CMOS (43.8 × 32.9mm) 20MP Micro Four Thirds Live MOS 26MP APS-C Exmor R BSI CMOS
Resolution 102.0MP 20.0MP 26.0MP
Video 4K/30p, 1080p/60p 4K/60p, 1080p/240p, 4K HLG 4K/120p, 4K/60p oversampled, S-Log3, 10-bit
Autofocus Phase-detect AF with subject/face/eye detection AI subject detection AF (birds, animals, motorsport) 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle)
Stabilisation 8-stop IBIS 8.5-stop IBIS 5-axis IBIS, 5.0 stops
Burst Rate 7fps 120fps with AF tracking 11fps mechanical, 30fps electronic
Battery Life 460 shots (CIPA) 520 shots (CIPA) ~570 shots (CIPA)
Weight 883g body only 599g body only 493g body only
Dimensions 150.0 × 104.2 × 87.2mm 134.8 × 91.6 × 72.7mm 122.0 × 69.0 × 75.1mm
Weather Sealed Yes Yes No
Viewfinder 0.5" OLED EVF, 5.76M dots 0.83" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots
Screen 3.2" tilting touchscreen 3.0" fully articulating touchscreen 3.0" vari-angle touchscreen
Mount Fujifilm GFX (G-mount) Micro Four Thirds Sony E-mount
Memory Cards Dual SD UHS-II Dual SD UHS-II Single SD UHS-II / CFexpress Type A slot
Connectivity USB-C 3.2, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth USB-C (3.2), Bluetooth, Wi-Fi
⚡ Compare specs side by side Fujifilm GFX 100S II prices → OM System OM-1 Mark II prices → A6700 prices →

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