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Sony Alpha a7R IIIA Mirrorless Digital Camera (Body Only)

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SKU #: SNILCE7RM3A | Manufacturer Part #: ILCE7RM3A/B
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$2,298.00

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Proving that speed, resolution, and video capabilities can all coexist, the Alpha a7R IIIA 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 IIIA 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 moire and aliasing. Additionally, benefitting both stills and video operation, the a7R IIIA 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.

Imaging

Lens Mount Sony E
Camera Format Full-Frame (1x Crop Factor)
Sensor Resolution Actual: 43.6 Megapixel
Effective: 42.4 Megapixel (7952 x 5304)
Aspect Ratio 3:2, 16:9
Sensor Type CMOS
Sensor Size 35.9 x 24 mm
Image File Format JPEG, Raw
Bit Depth 14-Bit
Image Stabilization Sensor-Shift, 5-Axis
Exposure Control
ISO Sensitivity Auto, 100 to 32000 (Extended: 50 to 102400)
Shutter Speed 1/8000 to 30 Seconds
1/8000 to 1/4 Second in Movie Mode
Bulb Mode
Metering Method Center-Weighted Average, Highlight Weighted, Multi-Zone, Spot
Exposure Modes Aperture Priority, Auto, Manual, Program, Shutter Priority
Exposure Compensation -5 to +5 EV (1/3, 1/2 EV Steps)
Metering Range -3 to 20 EV
White Balance Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
Continuous Shooting Up to 10 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
Up to 8 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
Up to 6 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
Up to 3 fps at 42.4 MP for up to 76 Frames (Raw) / 76 Frames (JPEG)
Self-Timer 2/5/10-Second Delay
Video
Recording Modes XAVC S
UHD 4K (3840 x 2160) at 23.976p/25p/29.97p [60 to 100 Mb/s]
Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [100 Mb/s]
HD (1280 x 720) at 100p/119.88p [50 Mb/s]
AVCHD
Full HD (1920 x 1080) at 50p/59.94p [28 Mb/s]
Full HD (1920 x 1080) at 23.976p/25p/50i/59.94i [17 to 24 Mb/s]
MP4
Full HD (1920 x 1080) at 50p/59.94p [28 Mb/s]
Full HD (1920 x 1080) at 25p/29.97p [16 Mb/s]
HD (1280 x 720) at 25p/29.97p [6 Mb/s]
External Recording Modes 4:2:2 8-Bit
UHD 4K (3840 x 2160) at 24.00p/25p/29.97p
Full HD (1920 x 1080) at 24.00p/50i/50p/59.94i/59.94p
Recording Limit Up to 29 Minutes
Video Encoding NTSC/PAL
Audio Recording Built-In Microphone (Stereo)
External Microphone Input
Audio File Format AC3, Dolby Digital 2ch, Linear PCM (Stereo)
Focus
Focus Type Auto and Manual Focus
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
Autofocus Sensitivity -2 to +20 EV
Viewfinder Type Electronic
Viewfinder Size 0.5"
Viewfinder Resolution 3,686,400 Dot
Viewfinder Eye Point 23 mm
Viewfinder Coverage 100%
Viewfinder Magnification Approx. 0.78x
Diopter Adjustment -4 to +3
Size 3.0"
Resolution 2,359,296 Dot
Display Type Tilting Touchscreen LCD
Flash
Built-In Flash No
Flash Modes Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless
Maximum Sync Speed 1/250 Second
Flash Compensation -3 to +3 EV (1/3, 1/2 EV Steps)
Dedicated Flash System TTL
External Flash Connection Hot Shoe, PC Terminal
Interface
Media/Memory Card Slot Slot 1: SD/SDHC/SDXC (UHS-II)
Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I)
Connectivity 3.5mm Headphone, 3.5mm Microphone, HDMI D (Micro), USB Type-C (USB 3.0), USB Micro-B (USB 2.0)
Wireless Wi-Fi
Bluetooth
GPS No
Environmental
Operating Temperature 32 to 104°F / 0 to 40°C
 
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