DJI Action 5 Provs Olympus OM-D E-M5 IIIvs A7 IV
DJI
DJI Action 5 Pro (2024)
From £349
Best for Adventure, outdoor sports & action
View DJI Action 5 Pro
OM System
Olympus OM-D E-M5 III (2019)
From £699
Best for Travel & lightweight outdoor photography
View Olympus OM-D E-M5 III
Which should you buy?
Adventure, Outdoor Sports & Action — DJI Action 5 Pro (2024): DJI's best action camera — 4K/120p from a large 1/1.3" sensor, 20m waterproofing without a housing, and the best EIS stabilisation in any action camera.
Travel & Lightweight Outdoor Photography — Olympus OM-D E-M5 III (2019): The lightest weather-sealed MFT camera — compact, travel-friendly, and capable with 7.5-stop IBIS in a body that fits in a jacket pocket.
Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.
Who should buy what
DJI Action 5 Pro (2024)
- You shoot adventure sports, cycling, skiing, surfing, or travel
- You want the best stabilisation and video quality in a wearable action cam
- You need long battery life for extended outdoor use without recharging
Olympus OM-D E-M5 III (2019)
- You want a lightweight, sealed camera for travel and outdoor photography
- You're new to Micro Four Thirds and want a capable mid-range body with excellent stabilisation
- Note: consider the newer OM-5 for updated specs in a similar compact form factor
A7 IV (2021)
- You want a high-resolution full-frame all-rounder for portraits, weddings, or travel
- You're stepping up from APS-C or a DSLR and want the best all-round full-frame body under £3,000
- You shoot a mix of stills and video and need a single body that handles both seriously
- You want access to the widest lens ecosystem in the mirrorless market
Quick take: The dji action 5 pro has the highest resolution at 50mp; the dji action 5 pro is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | DJI Action 5 Pro (2024) | Olympus OM-D E-M5 III (2019) | A7 IV (2021) |
|---|---|---|---|
| Price | £349 | £699 | £2,299 |
| Sensor | 1/1.3" CMOS | 20.4MP Micro Four Thirds Live MOS | 33MP Full-frame BSI Exmor R CMOS |
| Resolution | 50.0MP | 20.4MP | 33.0MP |
| Video | 4K/120p, 4K/60p HDR, 1080p/240p | 4K/30p, 1080p/120p | 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone |
| Autofocus | Subject tracking AF | Hybrid phase/contrast AF with face/eye detection | 759-point phase-detect, AI subject recognition |
| Stabilisation | RockSteady 3.0 EIS + HorizonSteady | 7.5-stop 5-axis IBIS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 20fps | 30fps electronic / 10fps mechanical | 10fps mechanical, 30fps electronic |
| Battery Life | 160 mins video | 390 shots (CIPA) | ~580 shots (CIPA) |
| Weight | 145g | 414g body only | 659g body only |
| Dimensions | 70.5 × 44.2 × 32.8mm | 125.3 × 85.2 × 49.7mm | 131.3 × 96.4 × 79.8mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | None | 0.35" OLED EVF, 2.36M dots | EVF, 3.69M dots, 0.78× magnification |
| Screen | 2.5" front + 1.4" rear touchscreen | 3.0" fully articulating touchscreen | 3.0" vari-angle touchscreen |
| Mount | Fixed 12mm-equiv f/2.8 ultra-wide lens | Micro Four Thirds | Sony FE (full-frame E-mount) |
| Memory Cards | Single microSD | Single SD UHS-I | Dual slots: CFexpress Type A + SD UHS-II |
| Connectivity | USB-C, Wi-Fi, Bluetooth | Micro USB, Wi-Fi, Bluetooth | USB-C (3.2 Gen 2), Bluetooth, Wi-Fi |
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