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Rent NowSony Alpha a7 III Mirrorless Digital Camera Body
Full-Frame Hybrid Workhorse 24.2MP Exmor R BSI Sensor, BIONZ X Processor, 693-Point Fast Hybrid AF & 5-Axis SteadyShot IS
The Sony Alpha a7 III is a versatile full-frame mirrorless camera body engineered to excel across both still photography and 4K video applications. Powered by a back-illuminated 24.2MP Exmor R BSI CMOS sensor paired with the BIONZ X image processor and front-end LSI, the a7 III delivers outstanding image clarity, low-noise performance from ISO 100 to 51,200 (expandable from ISO 50 to 204,800), and a 15-stop dynamic range at low sensitivities. This processing pipeline enables high-speed continuous shooting up to 10 fps with full AF/AE tracking for up to 177 consecutive frames using either the mechanical or silent electronic shutter.
Featuring an advanced 4D FOCUS hybrid autofocus system, the camera incorporates 693 phase-detection AF points covering 93% of the image frame alongside 425 contrast-detection areas for swift tracking and Eye AF capability. For filmmakers, the a7 III captures internal oversampled 4K UHD video (utilizing 2.4x oversampling with full pixel readout) in XAVC S format, complete with S-Log2, S-Log3, and Hybrid Log-Gamma (HLG) profiles for expanded post-production color grading. Built into a durable, weather-sealed magnesium alloy chassis, the body features 5-axis SteadyShot INSIDE optical image stabilization (5.0 stops), a 2.36m-dot OLED EVF, a 3.0-inch tilting touchscreen LCD, dual SD memory card slots (one UHS-II compatible), USB-C 3.0 connectivity, and an extended NP-FZ100 battery platform.
Key Features & Core Architecture
24.2MP Full-Frame BSI Sensor & BIONZ X Engine: Back-illuminated sensor structure delivers 15 stops of dynamic range, 14-bit RAW output, and low-noise performance up to ISO 204,800 equivalent.
693-Point Fast Hybrid AF System: Phase-detection array covers 93% of the full-frame area with high-density subject tracking, Lock-on AF, and Real-time Eye AF.
10 fps Continuous Shooting: Captures fast action up to 10 fps with mechanical or silent electronic shutter for up to 177 consecutive frames with continuous AF/AE.
5-Axis SteadyShot INSIDE Stabilization: Integrated 5.0-stop sensor-shift stabilization compensates for pitch, yaw, roll, and vertical/horizontal camera shake.
Oversampled 4K UHD Video Capture: Records 4K video at up to 30 fps using 2.4x oversampling with full pixel readout, supported by Full HD 1080p high-speed recording up to 120 fps.
S-Log3, HLG & Professional Color Profiles: Outfitted with Cinema S-Log2, S-Log3, and HLG gamma curves for high dynamic range monitoring and post-production workflows.
Professional Hardware & Extended Battery Life: Features dual SD card slots (UHS-II support), a 2.36m-dot OLED Tru-Finder, tilting touchscreen LCD, USB-C 3.0 tethering, and an NP-FZ100 battery rated for ~710 shots.
Technical Specifications
Camera Classification: Advanced Full-Frame Mirrorless Camera Body
Lens Mount System: Sony E Native (Full-Frame Format)
Effective Resolution: 24.2 Megapixels
Image Sensor Type: Full-Frame Exmor R BSI CMOS (35.6 x 23.8 mm)
Image Processor: BIONZ X Engine with Front-End LSI
Sensitivity Range: ISO 100 to 51,200 (Expandable to ISO 50 to 204,800 Equivalent)
Continuous Burst Speed: Up to 10.0 fps at 24.2MP with Full AF/AE
In-Body Image Stabilization: 5-Axis Sensor-Shift (5.0 Stops Compensation)
Autofocus System: Fast Hybrid AF (693 Phase-Detection / 425 Contrast-Detection Points)
Maximum Video Resolution: 4K UHD (3840 x 2160) up to 30p / Full HD (1920 x 1080) up to 120p
Viewfinder: 0.5″ 2.36M-Dot XGA OLED Tru-Finder (0.78x Magnification)
Display Screen: 3.0-Inch 922,176-Dot Tilting Touchscreen LCD
Storage Media Slots: Dual Slots (1 x SD/SDHC/SDXC UHS-II, 1 x SD/SDHC/SDXC UHS-I)
Power System: NP-FZ100 Rechargeable Lithium-Ion Pack (USB-C Charging Supported)
Dimensions (W x H x D): Approx. 4.9 x 3.8 x 2.9 inches / 126.9 x 95.6 x 73.7 mm
Camera Body Weight: Approx. 1.43 lbs / 650 g (Body with battery and card)
