OM System TG-7vs A1

GearFrame · Updated March 2026

OM System OM System TG-7 OM System OM System TG-7 (2023) Starting from £449 new Best for Adventure, underwater & outdoor use View OM System TG-7
VS
Sony A1 Sony A1 (2021) Starting from £5999 new Best for Professional sport, wildlife, portrait & hybrid shooting View A1

GearScore™ Verdict — Which should you buy?

Adventure, Underwater & Outdoor Use — OM System TG-7 (2023): Waterproof to 15m, freezeproof and shockproof — the TG-7 is the most capable rugged compact for adventure and outdoor use.

Professional Sport, Wildlife, Portrait & Hybrid Shooting — A1 (2021): 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

↓ Full specifications below

OM System TG-7 (2023)

  • Divers and snorkellers who need a waterproof camera without a housing
  • Outdoor and adventure photographers who want a rugged pocket compact
  • Parents who want an indestructible camera for children and family adventures
  • Travellers who want a tough backup camera that can go anywhere

A1 (2021)

  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything

Quick take: The a1 has the highest resolution at 50mp; the om system tg-7 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification OM System TG-7 (2023)A1 (2021)
Price £449 £5,999
Sensor 12MP BSI CMOS 50.1MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 12.0MP 50.1MP
Video 4K/30p, 1080p/120p 8K/30p, 4K/120p, 1080p/240p
Autofocus Hybrid phase/contrast AF Real-time Tracking, AI subject recognition — 759 phase-detect points
Stabilisation Digital IS IBIS — up to 5.5 stops
Burst Rate 20fps 30fps electronic with full AF/AE
Battery Life 340 shots (CIPA) ~430 shots (CIPA)
Weight 253g 737g (with battery)
Dimensions 113.0 × 66.5 × 32.7mm 128.9 × 96.9 × 80.8mm
Weather Sealed Yes Yes
Viewfinder None EVF, 9.44M dots, 0.90× magnification, 240fps
Screen 3.0" fixed TFT LCD 3.0" fully tilting touchscreen
Mount Fixed 25mm-equiv f/2.0 lens (4× optical zoom) Sony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-I Dual CFexpress Type A / SD UHS-II
Connectivity USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI
Genre OM System TG-7A1
Adventure & Outdoor
9.0
Underwater
9.0
Travel
9.0
Family & Everyday
7.0
Street
4.0
Portrait
4.0
9.0
Sports
9.0
Wildlife
9.0
Vlogging & Video
9.0
Landscape
9.0
Wedding
9.0
⚡ Compare specs side by side OM System TG-7 prices → A1 prices →

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