CAMERA LAB TELEMETRY:Normalized sensor architecture, phase-detect AF benchmarks, and codec bit-depth matrices
Sony Alpha 9 II
Sony2019
Sony MirrorlessMount: Sony EReleased 2019

Sony Alpha 9 II

Full factory technical datasheet and laboratory hardware reference for the Sony Alpha 9 II, featuring a 24.2MP Full Frame Exmor RS Stacked CMOS sensor, 20 fps continuous burst, and 4K30 UHD recording.

Camera Type
mirrorless
Sensor Resolution
24.2 MP
Max Continuous Burst
20 fps
IBIS Stabilization
5.5 Stops
Battery (CIPA)
690 Shots
Weight
678 g
Quick Technical Verdict & Summary

Hardware Engineering Overview: Sony Alpha 9 II

The Sony Alpha 9 II is a Full Frame mirrorless camera engineered with a 24.2 MP Full Frame Exmor RS Stacked CMOS sensor (35.6 × 23.8 mm) and native Sony E lens mount. Designed for demanding still and motion capture workflows, it delivers up to 20 fps burst shooting with 5.5 stops of 5-axis IBIS and 4K30 UHD recording capability.

Sensor & Optical Architecture
24.2 Megapixel Full Frame Exmor RS Stacked CMOS (35.6 × 23.8 mm) driven by the BIONZ X image engine, supporting 3:2 (Native), 4:3, 16:9, 1:1 aspect ratios.
Autofocus & Continuous Speed
693-Point Phase-Detection AF with 693 phase-detect points. Captures 20 fps burst speed with Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft).
In-Body Image Stabilization
5-axis sensor-shift stabilization providing up to 5.5 stops CIPA handshake compensation.
Video & Motion Capabilities
4K30 UHD internal recording at 8-bit 4:2:0 XAVC S. Features Full Cinema Log Profile Suite and 3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output.
Chassis, Storage & Battery Rating
Weighs 678g in a 128.9 × 96.4 × 77.5 mm body. Features Dual SD UHS-II Slots, 3.69M-dot OLED EVF (120fps), and CIPA rated for 690 shots per full charge.
DUAL COMPARISON ENGINE

Compare Sony Alpha 9 II Side-by-Side

Benchmark sensor resolution, autofocus speed, IBIS stops, and video codecs against any mirrorless body.

01

Sensor & Image Quality

Photodiode architecture, active imaging area, and processor pipeline

Effective Resolution
24.2 Megapixels (MP)
Sensor Type & Architecture
Full Frame Exmor RS Stacked CMOS
Sensor Physical Size
35.6 × 23.8 mm
Supported Aspect Ratios
3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Sony E
Image Processor Engine
BIONZ X
02

Autofocus & Shooting Speed

Phase-detection coverage, neural subject recognition, and burst mechanics

Autofocus System
693-Point Phase-Detection AF
Phase-Detect Focus Points
693 AF Points / Zones
AI Subject Recognition
Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Burst Speed (Mechanical / Electronic)
14 fps (Mechanical) / 20 fps (Electronic)
Maximum Continuous Burst Rate
20 fps
Max Shutter Speed
1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
5-Axis Sensor-Shift — Up to 5.5 Stops (CIPA)
03

Video Capabilities

Internal recording codecs, chroma subsampling, log gammas, and I/O interfaces

Maximum Video Resolution
4K30 UHD
Resolution & Frame Rate Matrix
4K30 UHD at maximum sustained frame rate
Color Bit Depth & Chroma Sampling
8-bit 4:2:0 XAVC S
Log Gamma & Cinema Profiles
Full Cinema Log Profile Suite
Audio & HDMI Connectivity
3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
04

Hardware & Ergonomics

Storage media bays, optical viewfinder display, CIPA endurance, and chassis dimensions

Memory Card Slots
Dual SD UHS-II Slots
Electronic Viewfinder (EVF)
3.69M-dot OLED EVF (120fps)
Battery Life (CIPA Standard)
690 shots per charge
Body Weight (incl. Battery & Media)
678 g (1.49 lbs)
Exterior Dimensions (W × H × D)
128.9 × 96.4 × 77.5 mm

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