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M10vs A7R IV

GearFrame · Updated March 2026

Leica M10 Leica M10 (2017) Starting from £4000 new Best for Street & Documentary View M10
VS
Sony A7R IV Sony A7R IV (2019) Starting from £2199 new Best for Landscape, studio, commercial View A7R IV

GearScore™ Verdict — Which should you buy?

Street & Documentary — M10 (2017): The M10 returned Leica to its roots — thinner, cleaner, and video-free by design. The 24MP sensor is the perfect resolution for a manual-focus rangefinder. The simplified control layout respects the M tradition without digital clutter. A camera for photographers who want to slow down and engage with every frame. One of the most satisfying cameras to use — assuming you have M-mount glass to pair with it.

Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.

↓ Full specifications below

M10 (2017)

  • Serious photographers who want to slow down
  • Street and documentary photographers
  • Leica M-mount lens owners

A7R IV (2019)

  • Landscape photographers who print large
  • Studio shooters needing maximum detail

Quick take: The a7r iv has the highest resolution at 61mp; the a7r iv is the most affordable; only the a7r iv is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification M10 (2017)A7R IV (2019)
Price £4,000 £2,199
Sensor 24MP Full-Frame CMOS Full-frame BSI Exmor R CMOS 35mm
Resolution 24.0MP 61.0MP
Video 4K 30fps
Autofocus Manual focus (rangefinder coupled) 567-point phase-detect, real-time tracking
Stabilisation None 5-axis IBIS, 5.5 stops
Burst Rate 5fps 10fps
Battery Life ~220 shots (CIPA) 670 shots (CIPA)
Weight 660g (with battery) 665g (body only)
Dimensions 139 × 80 × 38.5mm 128.9 × 96.4 × 77.5mm
Weather Sealed No Yes
Viewfinder Optical rangefinder, 0.73× magnification EVF 0.78× 5.76M-dot
Screen 3.0" fixed LCD, 1.04M dots 3.0" tilting touchscreen, 1.44M-dot
Mount Leica M-mount Sony E-Mount
Memory Cards Single SD UHS-I slot 2× SD UHS-II / CFexpress Type A
Connectivity USB 2.0, Wi-Fi Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2
Genre M10A7R IV
Street
9.0
7.0
Portrait
8.5
9.0
Travel
8.5
8.0
Landscape
8.0
9.0
Astrophotography
6.5
Vlogging & Video
2.0
6.0
Sports & Action
3.0
Wildlife
3.0
7.0
Architecture
9.0
Wedding & Events
8.0

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

⚡ Compare specs side by side M10 prices → A7R IV prices →

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