Sony Alpha 99 II

Hardware Engineering Overview: Sony Alpha 99 II

The Sony Alpha 99 II is a Full Frame dslr camera engineered with a 42.4 MP Full Frame BSI CMOS sensor (35.9 × 24.0 mm) and native Sony A lens mount. Designed for demanding still and motion capture workflows, it delivers up to 12 fps burst shooting with 4.5 stops of 5-axis IBIS and 4K30 UHD recording capability.

Sensor & Optical Architecture

42.4 Megapixel Full Frame BSI CMOS (35.9 × 24.0 mm) driven by the BIONZ X image engine, supporting 3:2 (Native), 4:3, 16:9, 1:1 aspect ratios.

Autofocus & Continuous Speed

Hybrid Phase Detection (79-pt + 399-pt) with 399 phase-detect points. Captures 12 fps burst speed with Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft).

In-Body Image Stabilization

5-axis sensor-shift stabilization providing up to 4.5 stops CIPA handshake compensation.

Video & Motion Capabilities

4K30 UHD internal recording at 8-bit 4:2:0 S-Log2/3. Features Full Cinema Log Profile Suite and 3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output.

Chassis, Storage & Battery Rating

Weighs 849g in a 142.6 × 104.2 × 76.1 mm body. Features Dual SD UHS-I Slots, 2.36M-dot OLED EVF, and CIPA rated for 490 shots per full charge.