Sony Alpha a7S III Mirrorless Camera (ILCE-7SM3) Body Only – Black

12.1MP Full-Frame Exmor R BSI CMOS Sensor
35 mm full-frame (35.6 x 23.8 mm) back-illuminated Exmor R CMOS sensor with approximately 12.1 effective megapixels. Delivers high sensitivity with an ISO range of 80-102400 (expandable to 40-409600 for stills, 80-409600 for video).

BIONZ XR Image Processing Engine
Newly developed BIONZ XR processing engine provides up to 8x the processing performance of the previous generation, supporting high-bitrate XAVC HS (H.265) and XAVC S (H.264) recording formats.

4K 120p Internal 10-bit 4:2:2 Recording
Records 4K (3840 x 2160) video at up to 120p internally with 10-bit 4:2:2 color depth. Supports XAVC HS 4K and XAVC S 4K formats with bitrates up to 600 Mbps (All-Intra). 16-bit RAW output available via HDMI.

759-Point Fast Hybrid Autofocus System
Fast Hybrid AF system with 759 phase-detection AF points covering approximately 92% of the image area. Supports Real-time Eye AF for both stills and movies, with focus sensitivity down to EV-6.

5-Axis In-Body Image Stabilization
Sensor-shift 5-axis optical image stabilization providing up to 5.5 stops of compensation (CIPA standard, pitch/yaw). Active Mode available for enhanced stabilization during handheld movie recording.

9.44 Million-Dot OLED Electronic Viewfinder
1.6 cm (0.64-type) electronic viewfinder with 9,437,184 dots, approximately 0.90x magnification, and 100% field coverage. Supports 120fps high frame rate display (NTSC mode).

3.0-inch Vari-Angle Touchscreen LCD
2.95-inch (3.0-type) TFT LCD monitor with 1,440,000 dots and touch panel functionality. Side-opening vari-angle design with approximately 176-degree opening and 270-degree rotation.

Dual CFexpress Type A / SD Card Slots
Two multi card slots each supporting both CFexpress Type A and SD (UHS-I/II) memory cards. Supports simultaneous recording, sort recording, auto media switching, and copy between slots.

Connectivity and Interfaces
Full-size HDMI Type-A output, USB Type-C (SuperSpeed USB 5 Gbps / USB 3.2), 3.5mm microphone input, 3.5mm headphone output, Multi Interface Shoe with digital audio interface, Bluetooth 5.0, and Wi-Fi. USB Power Delivery charging supported via USB-C.

Heat Dissipation for Extended Recording
Redesigned internal heat dissipation structure supports sustained 4K 60p 10-bit 4:2:2 recording for over one hour. Dual card slot relay recording enables extended session capture.