Featuring a newly developed 12.1MP full-frame Exmor R sensor and powered by Sony's BIONZ XR image processor, the A7S III excels in capturing high-resolution 4K video with extraordinary sensitivity and low noise. This sensor delivers exceptional dynamic range and color accuracy, ensuring stunning image quality even in challenging lighting conditions.

The A7S III supports internal recording of 10-bit 4:2:2 footage in 4K up to 120fps and Full HD up to 240fps, offering flexibility for high-quality slow-motion capture. Its improved autofocus system, with 759 phase-detection and 425 contrast-detection AF points, delivers fast and accurate focusing performance, crucial for tracking moving subjects and maintaining sharpness during video recording.

The camera's 5-axis in-body image stabilization system minimizes camera shake, allowing handheld shooting with reduced motion blur. It features dual CFexpress Type A and SD UHS-II card slots for versatile recording options and supports a wide range of recording formats, including XAVC S, XAVC HS, and MPEG-4 AVC/H.264. The A7S III also incorporates a fully articulating touchscreen LCD and a high-resolution OLED electronic viewfinder, providing versatile monitoring and composition options.

With comprehensive connectivity options, including USB Type-C, HDMI Type-A, and a Multi-Interface Shoe (MI Shoe), the A7S III facilitates seamless integration with external monitors, recorders, and audio equipment.