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Leica SL2vs A7S

GearFrame · Updated March 2026

Leica Leica SL2 Leica Leica SL2 (2019) Starting from £4200 new Best for Commercial, landscape, video View Leica SL2
VS
Sony A7S Sony A7S (2014) Starting from £600 new Best for Astrophotography & Low-Light View A7S

GearScore™ Verdict — Which should you buy?

Commercial, Landscape, Video — Leica SL2 (2019): Leica's most capable system camera — excellent for photographers who want L-mount glass access.

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.

↓ Full specifications below

Leica SL2 (2019)

  • Commercial photographers who want Leica quality with modern AF
  • Filmmakers who want Leica glass with video capability

A7S (2014)

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

Quick take: The leica sl2 has the highest resolution at 47mp; the a7s is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Leica SL2 (2019)A7S (2014)
Price £4,200 £600
Sensor Full-frame CMOS 35mm 12.2MP Full-Frame BSI CMOS
Resolution 47.3MP 12.2MP
Video 5K 30fps, 4K 60fps, 1080p 180fps 1080p/60p internal, 4K via HDMI (external recorder)
Autofocus Contrast-detect AF, AI-based scene recognition Phase-detect / contrast-detect hybrid AF
Stabilisation 5-axis IBIS, 5.5 stops None
Burst Rate 20fps 5fps
Battery Life 370 shots (CIPA) ~370 shots (CIPA)
Weight 835g (body only) 474g (with battery and card)
Dimensions 146.0 × 107.0 × 80.5mm 126.9 × 94.4 × 48.2mm
Weather Sealed Yes Yes
Viewfinder EVF 0.78× 5.76M-dot Electronic, 2.36M dots, 0.71× magnification
Screen 3.2" fixed touchscreen, 2.10M-dot 3.0" tilting LCD, 1.23M dots
Mount Leica L-Mount Sony FE (full-frame E-mount)
Memory Cards 2× SD UHS-II Single SD / MemoryStick PRO Duo slot
Connectivity Wi-Fi, Bluetooth, USB-C 3.1, HDMI full-size Multi/Micro USB, Wi-Fi, NFC
Genre Leica SL2A7S
Portrait
9.0
7.0
Landscape
9.0
6.0
Architecture
9.0
Street
7.0
7.0
Wedding & Events
8.0
Travel
7.0
7.0
Astrophotography
9.5
Vlogging & Video
7.5
Sports & Action
5.0

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

⚡ Compare specs side by side Leica SL2 prices → A7S prices →

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