DUAL CAMERA COMPARISON ENGINE:Side-by-side optical sensor, autofocus, IBIS, and codec matrix with automated win detection
OPA Specs
OPASPECSHardware Index
SIDE-BY-SIDE HARDWARE MATRIX

Canon EOS 5D Mark III vs Leica Q3 43

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Leica's 60.3MP Fixed Leica APO-Summicron 43mm f/2 ASPH.-mount body.

Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓Longer CIPA Battery Endurance (950shots vs 350shots)
Leica Q3 43 Advantages7 Spec Wins
  • ✓Higher Sensor Resolution (60.3MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (315pts vs 61pts)
  • ✓Faster Continuous Burst (15fps vs 6fps)
  • ✓Faster Mechanical Shutter (10fps vs 6fps)
  • ✓Faster Electronic Shutter (15fps vs 6fps)
  • ✓Superior In-Body Stabilization (3stops vs 0stops)
  • ✓Lighter Body (772g vs 950g)
01

Sensor & Image Quality

Effective megapixel count, sensor readout architecture, and lens mount

Effective Sensor Resolution
Canon EOS 5D Mark III22.3 MP
Leica Q3 4360.3 MP
✓ +38 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Leica Q3 43Full Frame BSI CMOS with Triple Resolution Technology
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Leica Q3 4336.0 × 24.0 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Leica Q3 433:2 (Native)
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Leica Q3 43Fixed Leica APO-Summicron 43mm f/2 ASPH.
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Leica Q3 43Maestro IV with L2 Technology
02

Autofocus & Shooting Speed

Phase-detect AF points, neural subject tracking, burst speeds, and IBIS stops

Autofocus System
Canon EOS 5D Mark III61-Point High Density Reticular AF
Leica Q3 43Hybrid AF (Phase Detection + DFD + Contrast AF)
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Leica Q3 43315 points
✓ +254 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Leica Q3 43Human Face, Eye, Body & Animal Detection
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Leica Q3 4315 fps
✓ +9 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Leica Q3 4310 fps
✓ +4 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Leica Q3 4315 fps
✓ +9 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Leica Q3 431/2000s (Leaf Shutter) / 1/16000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Leica Q3 433 Stops (5-Axis)
✓ +3 stops
03

Video Capabilities

Maximum recording resolution, frame rate capabilities, internal bit depth, and I/O

Max Video Resolution
Canon EOS 5D Mark III1080p30 ALL-I
Leica Q3 438K30 / 4K60 / C4K60
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Leica Q3 438K30p, C4K60p, 4K60p, 1080p120
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Leica Q3 4310-bit 4:2:2 Apple ProRes / L-Log
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Leica Q3 43L-Log, Leica Looks (Contemporary, Classic, Chrome, Monochrome)
Audio & HDMI I/O
Canon EOS 5D Mark III3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Leica Q3 43Micro-HDMI Type-D, USB-C 3.1 Gen 2
04

Hardware, Ergonomics & Pricing

Memory card slots, EVF optics, CIPA battery rating, weight, dimensions, and price

Memory Card Slots
Canon EOS 5D Mark III1x CompactFlash + 1x SD UHS-I
Leica Q3 43Single SD UHS-II Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Leica Q3 435.76M-dot OLED EVF (120fps)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +600 shots
Leica Q3 43350 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Leica Q3 43772 g
✓ 178g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Leica Q3 43130.0 × 80.3 × 97.6 mm
OPA Network Connected Intelligence
OPA NETWORK EXPLORER

Deep Dive Across the Ecosystem