Sony Alpha 7S

Hardware Engineering Overview: Sony Alpha 7S

The Sony Alpha 7S is a Full Frame mirrorless camera engineered with a 12.2 MP Full Frame Exmor 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 5 fps burst shooting with lens-based optical stabilization and 4K30 via HDMI Out recording capability.

Sensor & Optical Architecture

12.2 Megapixel Full Frame Exmor 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

25-Point Contrast-Detection AF with 25 phase-detect points. Captures 5 fps burst speed with Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft).

In-Body Image Stabilization

No mechanical in-body sensor shift; relies on optical lens stabilization (OIS).

Video & Motion Capabilities

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

Chassis, Storage & Battery Rating

Weighs 489g in a 126.9 × 94.4 × 48.2 mm body. Features Single SD UHS-I Slot, 2.36M-dot OLED EVF, and CIPA rated for 380 shots per full charge.