Sony Alpha A7 III Full-Frame Mirrorless Camera
The Sony Alpha A7 III is a full-frame mirrorless camera designed for versatile photography and video applications, combining a 24.2MP 35mm full-frame Exmor R CMOS sensor with a BIONZ X image processor to deliver detailed images, broad dynamic range, strong low-light performance, and responsive overall operation. The back-illuminated sensor incorporates a gapless on-chip lens design and supports an expanded sensitivity range of ISO 50 to 204800, while the camera supports 14-bit uncompressed RAW recording for detailed image processing and post-production flexibility.
The camera provides a Fast Hybrid AF system with 693 phase-detection points and 425 contrast-detection areas, with the phase-detection system covering approximately 93% of the image area. This autofocus configuration is designed to acquire and track subjects efficiently, including moving subjects during still photography and movie recording. The camera supports continuous shooting at up to 10fps with autofocus and auto-exposure tracking, providing a responsive shooting experience for subjects requiring quick capture.
For image stabilization, the Alpha A7 III incorporates 5-axis sensor-shift image stabilization with a shutter-speed advantage of up to approximately 5.5 stops according to the supplied specifications. The stabilization system is designed to reduce the visible effects of camera movement when shooting handheld, supporting both still-image and video applications.
Video capabilities include UHD 4K recording using the full width of the full-frame sensor, helping minimize moiré and aliasing while maintaining high-resolution video output. The camera also provides an improved hybrid autofocus system for movie recording, combining focal-plane phase detection and contrast detection to maintain focus on moving subjects. Video capture formats listed for the camera include MP4, AVI, and MOV.
The camera body features a 3-inch tilting LCD touchscreen with approximately 922k dots and a 2.36-million-dot Tru-Finder OLED electronic viewfinder, providing viewing options for different shooting positions. Its connectivity options include Wi-Fi, Bluetooth, microUSB, USB Type-C, and HDMI, while dual SD memory card slots provide additional storage flexibility. The camera uses an NP-FZ100 battery and is specified for approximately 610 shots using the viewfinder or approximately 710 shots using the LCD monitor under the supplied battery-life figures.
The magnesium-alloy chassis and weather-sealing provide a durable body design intended for use in demanding shooting environments, while the camera's full-frame sensor, interchangeable Sony E-mount compatibility, electronic viewfinder, tilting display, high-speed continuous shooting, advanced autofocus, and 4K video capabilities make it suitable for photography, videography, interior and exterior shooting, and general professional use.
Key Features
- 24.2MP Full-Frame Sensor – Features a 35mm back-illuminated Exmor R CMOS sensor for detailed still images and enhanced sensitivity.
- BIONZ X Image Processor – Supports responsive image processing, continuous shooting, and overall camera performance.
- 15-Stop Dynamic Range – Provides broad tonal information for demanding photography applications.
- Expanded ISO 50–204800 – Offers a wide sensitivity range for different lighting conditions.
- Fast Hybrid AF – Combines 693 phase-detection points with 425 contrast-detection areas for broad autofocus coverage.
- 93% AF Coverage – Phase-detection autofocus points cover approximately 93% of the image area.
- 10fps Continuous Shooting – Supports high-speed continuous capture with AE/AF tracking.
- 5-Axis Image Stabilization – Sensor-shift stabilization provides up to approximately 5.5 stops of shutter-speed advantage according to the supplied specifications.
- 4K Movie Recording – Records high-resolution UHD 4K movies using the full width of the full-frame sensor.
- Tilting Touchscreen LCD – Features a 3-inch LCD display for flexible viewing from high and low shooting angles.
- Electronic Viewfinder – Provides a 2.36-million-dot Tru-Finder OLED electronic viewing system.
- Dual SD Card Slots – Provides two memory card slots for expanded storage flexibility.
- Multiple Connectivity Options – Supports Wi-Fi, Bluetooth, USB, microUSB, and HDMI connectivity.
- Full-Frame Sony E Mount – Compatible with interchangeable Sony E-mount lenses.
