OM-D E-M10 IVvs A7R II
Sony
A7R II (2015)
Starting from £799 new
Best for Portrait, landscape & studio photography
View A7R II
GearScore™ Verdict — Which should you buy?
Travel & Everyday — OM-D E-M10 IV (2020): Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.
Portrait, Landscape & Studio Photography — A7R II (2015): The A7R II transformed the A7R series — adding IBIS, 4K video, BSI sensor tech, and phase-detect AF in one generation. A landmark Sony camera.
Who should buy what
OM-D E-M10 IV (2020)
- Beginners and enthusiasts who want a compact, stylish Micro Four Thirds camera
- Travellers who want a small, light system without sacrificing image quality
- Smartphone upgraders who want a proper camera that still fits in a bag
- Anyone who wants built-in selfie capability in a traditional camera body
A7R II (2015)
- Landscape and architecture photographers who want 42MP with IBIS for handheld shooting
- Portrait and studio photographers who need high resolution with improved AF reliability
- Sony FE system users who want a capable high-resolution body at a used price
- A7R I owners who need the stabilisation, 4K, and improved AF the original lacked
Quick take: The a7r ii has the highest resolution at 42mp; the om-d e-m10 iv is the most affordable; only the a7r ii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | OM-D E-M10 IV (2020) | A7R II (2015) |
|---|---|---|
| Price | £469 | £799 |
| Sensor | 20.3MP Micro Four Thirds Live MOS | 42.4MP Full-Frame BSI CMOS Exmor R |
| Resolution | 20.3MP | 42.4MP |
| Video | 4K/30p, 1080p/60p | 4K/30p (S35 or full-frame), 1080p/120p |
| Autofocus | Phase-detect + contrast detect, 121 points | 399 phase-detect + 25 contrast-detect AF points, face detection |
| Stabilisation | 5-axis IBIS, 4.5 stops | IBIS — 5-axis, up to 4.5 stops (first A7R with IBIS) |
| Burst Rate | 15fps | 5fps |
| Battery Life | ~360 shots (CIPA) | ~290 shots (CIPA) |
| Weight | 383g body only | 625g (with battery and card) |
| Dimensions | 121.4 × 83.6 × 49.0mm | 126.9 × 95.7 × 60.3mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots, 0.46× magnification | EVF, OLED 2.36M dots, 0.78× magnification |
| Screen | 3.0" tilting touchscreen | 3.0" tilting LCD, 1.23M dots (no touch) |
| Mount | Micro Four Thirds | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I slot |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB, Wi-Fi, NFC |
Suitability by genre
| Genre | OM-D E-M10 IV | A7R II |
|---|---|---|
| Travel | ||
| Street | — | |
| Family & Everyday | — | |
| Portrait | ||
| Landscape | ||
| Sports & Action | ||
| Architecture | — | |
| Vlogging & Video | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history