OM-5vs Sigma fp

GearFrame · Updated March 2026

OM System OM-5 OM System OM-5 (2022) From £899 Best for Outdoor & adventure View OM-5
VS
Sigma Sigma fp Sigma Sigma fp (2019) From £1499 Best for Creative filmmakers & experimental photographers View Sigma fp

Which should you buy?

Outdoor & Adventure — OM-5 (2022): The toughest camera at this price — IP53 weather sealing and 7.5-stop IBIS built for adventure photographers.

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.

↓ Full specifications below

OM-5 (2022)

  • You need weather sealing and in-body stabilisation in a compact, lightweight body
  • You hike, travel, or shoot outdoors and want serious protection without the weight penalty
  • You're in the MFT ecosystem and want a step up in capability from entry-level bodies

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

Quick take: The sigma fp has the highest resolution at 25mp; the om-5 is the most affordable; only the om-5 is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification OM-5 (2022)Sigma fp (2019)
Price £899 £1,499
Sensor 20.4MP Micro Four Thirds Live MOS 24.6MP full-frame Bayer CMOS
Resolution 20.4MP 24.6MP
Video 4K/60p, 4K/120p Cinema4K 12-bit Cinema DNG RAW, 4K/24p, 1080p/120p
Autofocus Phase-detect, 121 all-cross points, subject tracking Contrast-detect AF with face/eye detection
Stabilisation 5-axis IBIS, 7.5 stops (Dual IS with compatible lenses) None (lens-based only)
Burst Rate 30fps electronic, 10fps mechanical 18fps electronic
Battery Life ~370 shots (CIPA) 200 shots (CIPA)
Weight 414g body only 422g body only
Dimensions 122.3 × 87.6 × 49.7mm 112.6 × 69.9 × 45.3mm
Weather Sealed Yes No
Viewfinder EVF, 2.36M dots, 0.74× magnification None
Screen 3.0" fully articulating touchscreen 3.15" fixed touchscreen
Mount Micro Four Thirds Leica L-mount
Memory Cards Dual SD UHS-II slots Single SD UHS-II + CFexpress Type B (via adapter)
Connectivity USB-C, Bluetooth, Wi-Fi USB-C 3.1, Wi-Fi, Bluetooth
⚡ Compare specs side by side OM-5 prices → Sigma fp prices →

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