D850vs FX3

GearFrame · Updated March 2026

Nikon D850 Nikon D850 (2017) Starting from £2199 new Best for Landscape, wildlife & professional studio photography View D850
VS
Sony FX3 Sony FX3 (2021) Starting from £3799 new Best for Professional video, documentary & cinematic filmmaking View FX3

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.

Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.

↓ Full specifications below

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

FX3 (2021)

  • Professional videographers and filmmakers who need cinema-quality colour science in a compact body
  • Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
  • Sony A7S III owners who want a purpose-built video body alongside their stills camera
  • Gimbal and drone operators who need a compact full-frame cinema camera

Quick take: The d850 has the highest resolution at 46mp; the d850 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification D850 (2017)FX3 (2021)
Price £2,199 £3,799
Sensor 45.7MP full-frame BSI-CMOS 12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 45.7MP 12.1MP
Video 4K UHD/30p, 1080p/120p 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus 153-point AF system (99 cross-type) — Multi-CAM 20K Real-time tracking with subject recognition (human, animal)
Stabilisation None (relies on VR lenses) 5-axis IBIS — 5 stops
Burst Rate 9fps (7fps with tilt screen AF) 10fps mechanical, 10fps electronic
Battery Life ~1840 shots (CIPA) — outstanding ~640 shots (CIPA)
Weight 915g body only 715g body only (with XLR handle)
Dimensions 146 × 124 × 78.5mm 129.7 × 78.0 × 84.5mm
Weather Sealed Yes Yes
Viewfinder Optical pentaprism — 0.75× magnification, 100% coverage None — monitor/external EVF use only
Screen 3.2" tilting touchscreen, 2.36M dots 3.0" touchscreen, fully articulating
Mount Nikon F mount Sony FE mount (full-frame E-mount)
Memory Cards Dual slots — XQD and SD UHS-II Dual CFexpress Type A / SD UHS-II slots
Connectivity USB 3.0, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi
Genre D850FX3
Landscape
9.0
Wildlife
9.0
Portrait
9.0
7.0
Sports
9.0
Vlogging & Video
7.0
9.0
Travel
7.0
4.0
Low Light
9.0
Street
4.0
Wedding
7.0
⚡ Compare specs side by side D850 prices → FX3 prices →

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