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A7Svs A9 II

GearFrame · Updated March 2026

Sony A7S Sony A7S (2014) Starting from £600 new Best for Astrophotography & Low-Light View A7S
VS
Sony A9 II Sony A9 II (2019) Starting from £3299 new Best for Professional sports, wildlife & photojournalism View A9 II

GearScore™ Verdict — Which should you buy?

Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.

Professional Sports, Wildlife & Photojournalism — A9 II (2019): The A9 II polished the A9's groundbreaking formula — 20fps blackout-free, improved subject tracking, and a LAN port made it the professional sports standard.

↓ Full specifications below

A7S (2014)

  • Astrophotographers
  • Low-light event videographers
  • Filmmakers needing clean high-ISO footage

A9 II (2019)

  • Sports photographers who need 20fps with reliable eye and body tracking
  • Photojournalists who need LAN transfer and instant wireless file delivery
  • Wildlife photographers who want the fastest Sony AF in a proven body
  • A9 owners who need the improved ergonomics, weather sealing, and Ethernet

Quick take: The a9 ii has the highest resolution at 24mp; the a7s is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification A7S (2014)A9 II (2019)
Price £600 £3,299
Sensor 12.2MP Full-Frame BSI CMOS 24.2MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 12.2MP 24.2MP
Video 1080p/60p internal, 4K via HDMI (external recorder) 4K/30p, 1080p/120p
Autofocus Phase-detect / contrast-detect hybrid AF 693 phase-detect + 425 contrast-detect, real-time eye/body tracking
Stabilisation None IBIS — 5-axis, up to 5.5 stops
Burst Rate 5fps 20fps (blackout-free with full AF/AE)
Battery Life ~370 shots (CIPA) ~500 shots (CIPA)
Weight 474g (with battery and card) 678g (with battery and card)
Dimensions 126.9 × 94.4 × 48.2mm 128.9 × 96.4 × 77.5mm
Weather Sealed Yes Yes
Viewfinder Electronic, 2.36M dots, 0.71× magnification EVF, OLED 3.69M dots, 0.78× magnification
Screen 3.0" tilting LCD, 1.23M dots 3.0" tilting touchscreen
Mount Sony FE (full-frame E-mount) Sony FE (full-frame E-mount)
Memory Cards Single SD / MemoryStick PRO Duo slot Dual SD UHS-II slots
Connectivity Multi/Micro USB, Wi-Fi, NFC USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet (LAN), HDMI
Genre A7SA9 II
Astrophotography
9.5
Vlogging & Video
7.5
4.0
Street
7.0
Travel
7.0
Portrait
7.0
9.0
Landscape
6.0
7.0
Sports & Action
5.0
9.0
Wildlife
9.0
Wedding & Events
9.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side A7S prices → A9 II prices →

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