Overview
The Sony Alpha A7S Mark III (ILCE-7SM3) is a flagship full-frame mirrorless camera engineered specifically for professional video production and low-light performance. Renowned for its exceptional sensitivity, advanced color science, and robust build, the A7S III is a top choice for filmmakers, cinematographers, and hybrid creators who demand uncompromising video quality.
12.1MP Full-Frame Sensor Optimized for Video
At the heart of the A7S III is a 12.1-megapixel back-illuminated Exmor R™ CMOS sensor, optimized for maximum light gathering and minimal noise. Paired with the powerful BIONZ XR image processor, it delivers outstanding low-light performance, wide dynamic range, and clean footage even at extremely high ISO values.
Cinema-Grade 4K Video Performance
The A7S III supports 4K video recording up to 120p with full pixel readout, enabling stunning slow-motion footage with exceptional detail. With support for 10-bit 4:2:2 internal recording, it offers professional-level color depth and flexibility for high-end post-production workflows.
Professional Color Profiles & Recording Formats
Designed for cinematic production, the camera includes S-Log3, S-Log2, and S-Cinetone, providing rich color science and extensive dynamic range. These profiles allow seamless color matching with Sony Cinema Line cameras such as the FX3, FX6, and FX9.
Advanced Autofocus for Video & Stills
The A7S III features a refined Fast Hybrid Autofocus system with Real-time Eye AF and Tracking, ensuring reliable focus on subjects during both video and still shooting. Autofocus transitions are smooth and natural, ideal for cinematic storytelling.
5-Axis In-Body Image Stabilization
Equipped with 5-axis in-body image stabilization (IBIS), the camera compensates for camera shake during handheld shooting. The stabilization system is especially effective for video, delivering smooth footage even without additional rigging.
Rugged, Professional Build & Improved Ergonomics
The A7S III features a magnesium alloy body with enhanced dust- and moisture-resistant sealing, built to withstand demanding production environments. Its improved menu system, customizable controls, and fully vari-angle touchscreen LCD enhance usability for solo operators and professional crews alike.
Built for Professional Filmmakers
The Sony Alpha A7S III is purpose-built for creators who prioritize video quality, low-light performance, and professional reliability. From documentaries and commercials to music videos and cinematic productions, it delivers world-class results in a compact full-frame body.











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