D850vs A7R IV
Nikon
D850 (2017)
Starting from £2199 new
Best for Landscape, wildlife & professional studio photography
View D850
VS
GearScore™ Verdict — Which should you buy?
Landscape, Wildlife & Professional Studio Photography — D850 (2017): The finest DSLR ever made — 45MP, 9fps, and nearly 2000 shots per charge in a body that still outperforms most mirrorless cameras for battery life.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
D850 (2017)
- Nikon F-mount lens owners who want the highest resolution DSLR before switching to mirrorless
- Landscape and wildlife photographers who value the optical viewfinder and outstanding battery life
- Professional photographers who need 45MP resolution without the price of a medium format system
- Photojournalists and event photographers with a large F-mount lens investment
A7R IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The a7r iv has the highest resolution at 61mp. Scroll down for the full spec breakdown.
Full specifications
| Specification | D850 (2017) | A7R IV (2019) |
|---|---|---|
| Price | £2,199 | £2,199 |
| Sensor | 45.7MP full-frame BSI-CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 45.7MP | 61.0MP |
| Video | 4K UHD/30p, 1080p/120p | 4K 30fps |
| Autofocus | 153-point AF system (99 cross-type) — Multi-CAM 20K | 567-point phase-detect, real-time tracking |
| Stabilisation | None (relies on VR lenses) | 5-axis IBIS, 5.5 stops |
| Burst Rate | 9fps (7fps with tilt screen AF) | 10fps |
| Battery Life | ~1840 shots (CIPA) — outstanding | 670 shots (CIPA) |
| Weight | 915g body only | 665g (body only) |
| Dimensions | 146 × 124 × 78.5mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | Optical pentaprism — 0.75× magnification, 100% coverage | EVF 0.78× 5.76M-dot |
| Screen | 3.2" tilting touchscreen, 2.36M dots | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Nikon F mount | Sony E-Mount |
| Memory Cards | Dual slots — XQD and SD UHS-II | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB 3.0, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | D850 | A7R IV |
|---|---|---|
| Landscape | — | |
| Wildlife | — | |
| Portrait | — | |
| Sports | — | |
| Vlogging & Video | — | |
| Travel | — |
More comparisons with D850
Camera family history