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Rent NowThe Sony a7S III is a full-frame mirrorless camera built around a 12.1-megapixel back-illuminated CMOS sensor, prioritizing exceptional low-light sensitivity and video performance over high resolution, making it a top choice for filmmakers, videographers, and content creators who demand professional-grade video capability in a mirrorless body. Its lower pixel count relative to other full-frame cameras is a deliberate design choice that enables larger individual pixels, resulting in outstanding noise performance even at extremely high ISO settings.
Video capability is the a7S III’s defining strength, offering 4K recording at up to 120fps with no recording time limit, along with 10-bit 4:2:2 color depth and support for S-Log3 and S-Cinetone color profiles for extensive flexibility in post-production color grading. Its dual base ISO design optimizes noise performance at both standard and high ISO settings, while a native ISO range extending up to 102400, expandable to 409600, delivers class-leading low-light shooting capability for photo and video work alike.
Autofocus is handled by a fast, precise hybrid AF system with 759 phase-detection points, along with Real-time Eye AF for both humans and animals that works reliably in video as well as stills mode, ensuring sharp, well-tracked footage even with moving subjects. A fully articulating 3.0-inch touchscreen LCD supports flexible framing for vlogging, interviews, and unconventional shooting angles, while a high-resolution 9.44-million-dot OLED electronic viewfinder provides a clear, detailed preview for both photo and video composition.
Built with a robust, weather-sealed magnesium alloy body designed to dissipate heat effectively during extended recording sessions, the a7S III also features dual CFexpress Type A/SD card slots for flexible, high-speed recording options. Its 5-axis in-body image stabilization further enhances handheld shooting stability, rounding out a feature set purpose-built for professional video production and low-light photography within Sony’s full-frame E-mount ecosystem.
Specs:
– Sensor: 12.1MP full-frame back-illuminated CMOS
– Autofocus: 759-point hybrid AF with Real-time Eye AF (human/animal)
– ISO range: 80-102400 (expandable to 40-409600), dual base ISO
– Video: 4K up to 120fps, 10-bit 4:2:2, S-Log3/S-Cinetone
– Image stabilization: 5-axis in-body
– Viewfinder: 9.44M-dot OLED EVF
– LCD: 3.0″ fully articulating touchscreen
– Card slots: Dual CFexpress Type A/SD
– Lens mount: Sony E
