Proving that speed, resolution, and video capabilities can all coexist, the Alpha a7R III Mirrorless Digital Camera from Sony is a versatile, high-performance camera characterized by not only its resolution, but by its multimedia versatility. Revolving around a full-frame 42.4MP Exmor R BSI CMOS sensor and updated BIONZ X image processor, the a7R III affords an impressive 10 fps continuous shooting rate along with improved autofocus performance for faster, more reliable subject tracking along with wide frame coverage. This updated Fast Hybrid AF System employs a combination of 399 phase-detection points and 425 contrast-detection areas for quicker acquirement of focus in a variety of lighting conditions, and also maintains focus on subjects more effectively. In addition to speed and AF, the processing improvements also help to realize greater image clarity throughout the sensitivity range from ISO 100-32000, which can further be expanded to ISO 50-102400. Video recording capabilities have also been extended for enhanced quality when recording UHD 4K video with the full width of the full-frame sensor, or when using a Super35 area and 5K oversampling to minimize moiré and aliasing. Additionally, benefitting both stills and video operation, the a7R III retains the 5-axis SteadyShot INSIDE sensor-shift image stabilization, which is now effective to minimize the appearance of camera shake by up to 5.5 stops.
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Imaging Lens Mount Sony E-Mount Camera Format Full-Frame Pixels Actual: 43.6 Megapixel Effective: 42.4 Megapixel Max Resolution 7952 x 5304 Aspect Ratio 3:2, 16:9 Sensor Type / Size CMOS, 35.9 x 24 mm File Formats Still Images: JPEG, RAW Movies: AVCHD Ver. 2.0, MPEG-4 AVC/H.264, XAVC S Audio: AC3, Dolby Digital 2ch, Linear PCM (Stereo) Bit Depth 14-Bit Dust Reduction System Yes Memory Card Type SD SDHC SDXC Memory Stick Pro Duo Memory Stick PRO HG-Duo Image Stabilization Sensor-Shift, 5-Way AV Recording Video Recording Yes, NTSC/PAL Video Format 3840 x 2160p at 23.98, 25, 29.97 fps (100 Mb/s XAVC S via H.264) 3840 x 2160p at 23.98, 25, 29.97 fps (60 Mb/s XAVC S via H.264) 1920 x 1080p at 100, 120 fps (100 Mb/s XAVC S via H.264) 1920 x 1080p at 100, 120 fps (60 Mb/s XAVC S via H.264) 1920 x 1080p at 23.98, 25, 29.97, 50, 59.94 fps (50 Mb/s XAVC S via H.264) 1920 x 1080p at 50, 59.94 fps (25 Mb/s XAVC S via H.264) 1920 x 1080p at 25, 29.97 fps (16 Mb/s XAVC S via H.264) 1920 x 1080i at 50, 59.94 fps (24 Mb/s AVCHD via H.264) 1920 x 1080i at 50, 59.94 fps (17 Mb/s AVCHD via H.264) Aspect Ratio 16:9 Video Clip Length Up to 29 Min Audio Recording Built-In Mic: With Video (Stereo) Optional External Mic: With Video (Stereo) Focus Control Focus Type Auto & Manual Focus Mode Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-servo AF (S) Autofocus Points Phase Detection: 399 Contrast Detection: 425 Viewfinder/Display Viewfinder Type Electronic Viewfinder Size 0.5" Viewfinder Pixel Count 3,686,400 Viewfinder Eye Point 23.00 mm Viewfinder Coverage 100% Viewfinder Magnification Approx. 0.78x Diopter Adjustment -4.0 to +3.0 m Display Screen 3" Rear Touchscreen Tilting LCD (1,440,000) Screen Coverage 100% Exposure Control ISO Sensitivity Auto, 100-32000 (Extended Mode: 50-102400) Shutter 30 - 1/8000 Second , Bulb Mode 1/4 - 1/8000 Second in Movie Mode Remote Control RM-VPR1, VCT-XPR10, VCT-VPR1, RM-SPR1, RMT-VP1K (Optional) Metering Method Center-Weighted Average Metering, Multi-Zone Metering, Spot Metering, Highlight Weighted Exposure Modes Modes: Aperture Priority, Auto, Manual, Movie, Program, Shutter Priority Metering Range: EV -3.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV Steps) White Balance Modes Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater Buffer/Continuous Shooting Up to 10 fps at 42.4 MP for up to 76 Frames in Raw Format Up to 8 fps at 42.4 MP for up to 76 Frames in Raw Format Up to 6 fps at 42.4 MP for up to 76 Frames in Raw Format Up to 3 fps at 42.4 MP for up to 76 Frames in Raw Format Up to 10 fps at 42.4 MP for up to 76 Frames in JPEG Format Up to 8 fps at 42.4 MP for up to 76 Frames in JPEG Format Up to 6 fps at 42.4 MP for up to 76 Frames in JPEG Format Up to 3 fps at 42.4 MP for up to 76 Frames in JPEG Format Flash Flash Modes Auto Fill-In Hi-Speed Sync Off Rear Sync Red-Eye Reduction Slow Sync Wireless Built-in Flash No Max Sync Speed 1 / 250 Second Flash Compensation -3 EV to +3 EV (in 1/3 or 1/2 EV steps) Dedicated Flash System TTL External Flash Connection Hot Shoe, PC Terminal Performance Self Timer 10 Seconds, 5 Seconds, 2 Seconds Connectivity 1/8" Headphone, 1/8" Microphone, HDMI D (Micro), Micro-USB, USB 3.0, USB Type-C Wi-Fi Capable Yes Power Battery 1 x NP-FZ100 Rechargeable Lithium-Ion Battery Pack, 7.2 VDC, 2280 mAh Operating/Storage Temperature Operating 32 to 104°F (0 to 40°C) Physical Dimensions (W x H x D) 5.0 x 3.8 x 2.9" / 126.9 x 95.6 x 73.7 mm Weight 1.445 lb / 657 g