Sony Alpha A7R III Mirrorless Digital Camera 42MP only Body

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Brand: Sony
Colour: Black
Screen Size: 3.0"
Warranty: 2 Year Seller Warranty
Sensor: BSI CMOS
Processor: BIONZ X
ISO Range: 100-32000 (Expandable to 50-102400)
Connectivity: NFC///Wi-Fi
Video: Full HD 1080p



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 42MP 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 the 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.

In addition to imaging updates, the a7R III also sports a revised body design, which includes a 3.69m-dot Tru-Finder OLED electronic viewfinder for bright, clear, and realistic eye-level monitoring. A rear 3.0" 1.44m-dot tilting touchscreen LCD is also available for intuitive settings control and to better support working from high and low angles.

For greater shooting flexibility, dual SD memory card slots are now featured, and a larger NP-FZ100 battery is also employed to achieve up to approximately 530 shots per charge when using the viewfinder. Suiting the camera's use in trying conditions, the magnesium alloy chassis and extensive weather-sealing also render the a7R III dust- and moisture-resistance.

42.4 MP Exmor R BSI CMOS Sensor and BIONZ X Image Processor

Featuring a back-illuminated design, the full-frame 42.4-megapixel Exmor R CMOS sensor works with the BIONZ X image processor to offer high-resolution stills and video while minimizing noise and improving speed. This sensor structure works with gapless on-chip lens design and an anti-reflection coating, as well as eliminating the optical low-pass filter, to improve light collection and enhance detail.

Also, the copper wiring layer dramatically improves data transmission speed for creating 14-bit, high-resolution 42megapixel stills with a native sensitivity range from ISO 100-32000, which can be further expanded to ISO 50-102400. Also, it enables internal UHD 4K video recording with a wide dynamic range using the full width of the full-frame sensor. The BIONZ X processor also works in conjunction with a high-speed front-end LSI to realize faster processing times along with the ability to capture an impressive 15-stop dynamic range at low sensitivity values.

Fast Hybrid AF System

An evolved 4D FOCUS system now employs a combination of 399 phase-detection points, which cover approximately 68% of the frame, along with 425 contrast-detection areas for reliable and quick autofocus and subject tracking performance.  This Fast Hybrid AF System now achieves twice the focusing speed and more reliable tracking compared to previous a7R models, as well as improved low-light focusing response down to -3 EV.

The use of phase-detection points also enables the use of A-mount lenses via the optional LA-EA3 or LA-EA1 lens mount adapters with full continuous AF/AE tracking compatibility. The apt focus system also lends itself to a variety of focusing functions for refined accuracy, including Lock-on AF, which maintains focus on moving subjects throughout the use of a configurable frame that is set over the desired moving subject, and Expand Flexible Spot, which employs neighboring focus points to retain focus on moving subjects even if the originally selected point loses focus.

5-Axis SteadyShot INSIDE Image Stabilization

Packed into the robust a7R III is a 5.5-stop effective 5-axis SteadyShot INSIDE image stabilization system that compensates for five different types of camera shake encountered during the handheld shooting of stills and video. This allows users to confidently use any lens, even adapted lenses, for critical imaging without encountering blur from camera shake.

For long focal lengths, the system will correct for pitch and yaw adjustments. Macro and high-magnification imagery, on the other hand, will benefit from the inclusion of horizontal and vertical shift compensation. All shooting styles will get use out of the roll compensation. All 5 axes of stabilization will function at all times, even when used with third-party lenses and adapters or lenses with built-in optical stabilization.

UHD 4K Video Recording in XAVC S Format

Internal recording of UHD 4K movies is possible in multiple frame rates up to 30 fps and, based on the Super35mm recording area and effective 5K resolution, oversampling renders greater detail and full pixel readout is possible, that is void of pixel binning, for higher quality imagery with reduced moiré and aliasing.

The full-frame 4K recording has also been dramatically improved for improved quality when working at mid to high sensitivities to permit full use of the entire sensor width. Full HD 1080p recording is also supported in frame rates up to 120 fps, and both resolutions utilize the 100 Mbps XAVC S format contained within an MP4 wrapper with 4:2:0 sampling.

The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate set to either 30p or 24p. In addition to high-resolution internal recording, uncompressed HDMI output also enables the use of an optional external recorder for clean 4K recording with 4:2:2 sampling.

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Body Type SLR-style mirrorless
Camera Model Alpha a7R III
Sensor Features
Max Resolution 7952 x 5304
Actual Pixels 42 megapixels
Sensor type BSI-CMOS
Sensor size Full frame [35.9 x 24 mm]
Processor Bionz X
Image ratio w:h 3:2 16:9
ISO Range Auto 100-32000 [expands to 50-102400]
White balance presets 10
Image stabilization Sensor-shift
JPEG quality levels Extra fine fine standard
Uncompressed format RAW
Focus & Optics
Autofocus Contrast Detect [sensor]
Phase Detect
Selective single-point
Face Detection
Live View
Manual focus Yes
Lens mount Sony E
Number of focus points 425
Screen & Viewfinder
LCD Tilting
Screen size 3`
Screen dots 1,440,000
Screen type TFT LCD
Viewfinder type Electronic
Viewfinder coverage 100%
Viewfinder magnification 0.78×
Exposure Features
Maximum shutter speed 1/8000 sec
Minimum shutter speed 30 sec
Aperture priority Yes
Shutter priority Yes
Manual exposure mode Yes
Built-in flash No
External flash Yes [via hot shoe or flash sync port]
Continuous Shooting 10.0 fps
Self-timer Yes [Continuous: 2 or 10 sec [Exposures 3 or 5]
Metering Modes Multi
Videography Features
Resolutions 3840 x 2160 @ 30p / 100 Mbps XAVC S MP4 H.264 Linear PCM
3840 x 2160 @ 24p / 100 Mbps XAVC S MP4 H.264 Linear PCM
3840 x 2160 @ 30p / 60 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 120p / 100 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 120p / 60 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 60p / 50 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 60p / 25 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 60i / 24 Mbps AVCHD MTS H.264 AAC
1920 x 1080 @ 60i / 17 Mbps AVCHD MTS H.264 AAC
1920 x 1080 @ 30p / 50 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 30p / 16 Mbps XAVC S MP4 H.264 Linear PCM
1920 x 1080 @ 24p / 50 Mbps XAVC S MP4 H.264 Linear PCM
Microphone Stereo
Speaker Mono
Storage types Two SD/SDHC/SDXC slots [UHS-II support on one]
USB USB 3.1 Gen 1 [5 GBit/sec]
Microphone/Headphone port 1/8`Headphone 1/8`Microphone
Wireless WiFi: 802.11b/g/n
Remote control Yes [wired wireless smartphone]
Environmentally sealed Yes
Battery Battery Pack
Battery Life [CIPA] 650
Battery description NP-FZ100 Lithium-ion Battery
Weight 657 g [1.45 lb / 23.17 oz]
Dimensions 127 x 96 x 74 mm / 5 x 3.78 x 2.91″ [W x H x D]