OM System OM-1 Mark IIvs Sigma fp L

GearFrame · Updated March 2026

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
Sigma Sigma fp L Sigma Sigma fp L (2021) From £1999 Best for High-resolution creative & documentary shooters View Sigma fp L

Which should you buy?

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.

High-Resolution Creative & Documentary Shooters — Sigma fp L (2021): 61MP and phase-detect AF in the world's smallest full-frame body — the fp L is the most capable iteration of Sigma's extraordinary compact.

↓ Full specifications below

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

Sigma fp L (2021)

  • You need the highest resolution available in the smallest possible full-frame mirrorless
  • You shoot architecture, landscape, or commercial work where fine detail is absolutely critical
  • You want the cinematic flexibility of the fp platform paired with maximum megapixel count

Quick take: The sigma fp l has the highest resolution at 61mp; only the om system om-1 mark ii is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification OM System OM-1 Mark II (2024)Sigma fp L (2021)
Price £1,999 £1,999
Sensor 20MP Micro Four Thirds Live MOS 61MP full-frame BSI CMOS
Resolution 20.0MP 61.0MP
Video 4K/60p, 1080p/240p, 4K HLG 12-bit Cinema DNG RAW, 4K/24p
Autofocus AI subject detection AF (birds, animals, motorsport) Phase-detect AF with face/eye detection
Stabilisation 8.5-stop IBIS None (lens-based only)
Burst Rate 120fps with AF tracking 18fps electronic
Battery Life 520 shots (CIPA) 200 shots (CIPA)
Weight 599g body only 427g body only
Dimensions 134.8 × 91.6 × 72.7mm 112.6 × 69.9 × 45.3mm
Weather Sealed Yes No
Viewfinder 0.83" OLED EVF, 5.76M dots, 120fps None (optional clip-on EVF available)
Screen 3.0" fully articulating touchscreen 3.15" fixed touchscreen
Mount Micro Four Thirds Leica L-mount
Memory Cards Dual SD UHS-II Single SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C 3.1, Wi-Fi, Bluetooth
⚡ Compare specs side by side OM System OM-1 Mark II prices → Sigma fp L prices →

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