Sony Alpha 7R III

Quick information
Brand	Sony 2017
Model	ILCE7RM3A/B
Released Year	2017
Type	Mirrorless Cameras
Series	a7R IIIA
Color	Black
Compatible Mountings	Sony E
Autofocus	Yes
Photo Sensor Resolution	42.4 MP
Video Resolution	<ul><li>4320p</li><li>1080p</li></ul>
Optical Zoom	1 x
File Format	<ul><li>JPEG, Raw</li><li>MP4</li></ul>
Status	Active

Overview

The Sony Alpha 7R III (ILCE7RM3A/B) is a high-resolution full-frame mirrorless camera featuring a 42.4MP Exmor R CMOS sensor designed for exceptional image quality and detail. It employs the latest BIONZ X image processor and front-end LSI for improved processing speed and noise reduction, enabling up to 10 fps continuous shooting with silent shutter options.

Featuring 399 phase-detection AF points and 425 contrast AF points, it offers fast and accurate autofocus performance. The camera supports 5-axis in-body image stabilization, compensating for five types of camera shake for sharper images at slower shutter speeds.

The Alpha 7R III includes internal 4K video recording capabilities using full pixel readout without pixel binning, ensuring high-quality video output with enhanced color and detail. It also supports dual SD card slots for extensive storage and backup flexibility.

Connectivity options include USB 3.1 Gen1, HDMI output, Wi-Fi, and NFC, enabling efficient data transfer and remote control. The rear LCD screen is tiltable and has touch capability, improving the user interface experience.

With improved battery life using the NP-FZ100 battery pack, users can capture more shots per charge. The rugged magnesium alloy body offers durability while maintaining a compact and lightweight design suited for professional photographers.

Overall, the Sony Alpha 7R III combines advanced sensor technology, processing power, and versatile features, positioning it as a flagship mirrorless camera for demanding photographic applications.

Specifications

Built-In Media	Camera Body & Accessories Camera Body Only
Are Batteries Included	Yes
Remote Included	No
UPC	027242922082 657768611506
Item Height	5.6 inches 3.8 inches
Manufacturer	Sony
Warranty Description	1 year limited manufacturer 90 days limited warranty
Metering Methods	Center-Weighted Average, Highlight Weighted, Multi-Zone, Spot Evaluative
Exposure Control	Aperture Priority, Auto, Manual, Program, Shutter Priority Program (P) Aperture Priority (Av or A) Shutter Priority (Tv or S) Manual (M) Automatic (Auto)
White Balance Settings	Auto, Incandescent, Daylight, Color Temperature, Underwater, Fluorescent, Custom, Cloudy, Shade Auto
Self Timer	2 seconds, 10 seconds, 5 seconds 10 seconds
Crop Mode	Full-Frame
Screen Size	3 Inches
Display Type	LCD
Dots Per Screen	2,359,296 Dot
Display Fixture Type	Tilting
Display Resolution Maximum	1920 x 1080 42.4 MP
Has Color Screen	Yes
Flash Memory Type	Slot 1: SD/SDHC/SDXC (UHS-II)Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I) SD
Memory Slots Available	2
Recording Capacity	30 minutes 176 minutes
Flash Memory Speed Class	UHS-I U3
Flash Memory UHS Speed Class	UHS-II U3
Compatible Mountings	Sony E
Sensor Type	CMOS BSI CMOS
Image stabilization	Sensor-shift Digital
Maximum Aperture	4 f
Expanded ISO Minimum	50
Photo Sensor Resolution	42.4 MP
Photo Sensor Size	Full Frame (35mm)
Maximum Shutter Speed	30 seconds
Minimum Shutter Speed	1/8000 seconds
Form Factor	Mirrorless
Special Feature	BIONZ X Image Processor and Front-End LSI; 399-Point AF System; 5-Axis SteadyShot INSIDE Stabilization Image Stabilization
Color	Black
Item Weight	1.5 Pounds 1.45 Pounds 5.1 Pounds
Video Resolution	4320p 1080p
Viewfinder	Electronic
Flash Modes	Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless
Camera Flash	Hotshoe no flash
Skill Level	Professional
Specific Uses For Product	Photography, Videography Photography
Continuous Shooting	10 fps
Viewfinder Magnification	0.78x
Audio Input	Built-in microphone
Flash Sync Speed	1/250 Second 1/250
Video Capture Format	XAVC S/AVCHD/MP4 4k
Expanded ISO Maximum	102400
Battery Weight	3 Ounces
Delay between shots	0.1 seconds
Audio Output Type	Headphones Bluetooth
Battery Cell Type	Lithium Ion
Battery Type	Lithium Ion
Aspect Ratio	16:9, 3:2 16:9
File Format	JPEG, Raw MP4
Effective Still Resolution	42.4 MP
JPEG Quality Level	Basic, Fine, Normal Fine
Supported Image Format	JPEG, RAW
Bit Depth	14 Bit
Total Still Resolution	42.4 MP
Optical Zoom	1 x
Lens Type	Wide Angle
Zoom	Digital Zoom
Minimum Focal Length	1.25 Feet
Focal Length Description	24-70 millimeters
Digital Zoom	4 x
Number of Diaphragm Blades	9
Photo Filter Thread Size	77 Millimeters
Lens Construction	17 Elements in 14 Groups
Photo Filter Size	77 Millimeters
Connectivity Technology	Bluetooth, Wi-Fi, USB, HDMI, NFC USB HDMI
Wireless Technology	Bluetooth, Wi-Fi
Video Output	Micro-HDMI HDMI
Total USB 2.0 Ports	1
Total USB 3.0 Ports	1
Total USB Ports	2 1
Total Video Out Ports	1
Shooting Modes	AUTO (iAuto), Programmed AE (P), Aperture priority (A), Shutter-speed priority (S), Manual (M), Movie modes Automatic
Digital-Still	No Yes
Movie Mode	Yes
Image Capture Type	Video Stills & Video
Night vision	No
Auto Focus Technology	Phase Detection, Contrast Detection
Focus Features	Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S) Hybrid
Autofocus Points	425 399
Focus Type	manual-and-auto Auto Focus
Focus Mode	Continuous-Servo AF (AF-C) Manual Focus (MF)
Autofocus	Yes
Memory Storage Capacity	64 GB
Write Speed	10 fps
Flash Memory Video Speed Class	U3
Flash Memory Bus Interface Type	UHS-I
Compatible Devices	Desktop
Aperture modes	Aperture Priority
Processor Description	BIONZ X Image Processor
Water Resistance Level	Not Water Resistant
Frame Rate	30 FPS
Battery Capacity	2.28E+3 Milliamp Hours
Mount Type	none or NA
Microphone Technology	Stereo
Warranty Type	90 days limited warranty
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FAQ

What sensor does the Sony Alpha 7R III use?

It uses a 42.4 megapixel full-frame Exmor R CMOS sensor.

Does the Sony Alpha 7R III support 4K video recording?

Yes, it supports internal 4K UHD video recording with full pixel readout and no pixel binning.

What image stabilization system does the camera have?

The camera features a 5-axis in-body image stabilization system to reduce camera shake.

Is there dual memory card support on this model?

Yes, it has dual SD card slots allowing simultaneous recording or overflow storage.

What kind of autofocus system is implemented?

It has 399 phase-detection and 425 contrast-detection autofocus points for fast and precise focusing.

What battery does the Alpha 7R III use, and how is battery life?

It uses the NP-FZ100 rechargeable battery which offers substantially improved battery life compared to previous models.

Is the Sony Alpha 7R III still in production?

As of now, it is not officially discontinued but newer models have been released offering updated features.

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