Sony Alpha 7 III (a7 III / Alpha a7 III / a7 III)

Quick information
Brand	Sony 2018
Model	ILCE7M3K/B
Released Year	2018
Type	Mirrorless Cameras
Series	a7 III
Color	Black
Compatible Mountings	<ul><li>Sony FE</li><li>Sony E</li></ul>
Autofocus	Yes
Photo Sensor Resolution	<ul><li>24.2 MP</li><li>24 MP</li><li>25.3 MP</li></ul>
Video Resolution	<ul><li>4K UHD 2160p</li><li>1080p</li><li>2160p</li></ul>
Optical Zoom	<ul><li>2 x</li><li>0.78 x</li><li>3 x</li><li>2.5 x</li><li>0.5 x</li></ul>
File Format	<ul><li>RAW</li><li>JPEG</li><li>Raw</li></ul>
Status	Active

Overview

The Sony Alpha 7 III (ILCE7M3K/B) is a full-frame mirrorless camera featuring a 24.2-megapixel Exmor R CMOS sensor optimized for high-resolution and low-light performance. It incorporates the BIONZ X image processor, enabling fast processing speeds and enhanced image quality. The camera supports 5-axis in-body image stabilization to reduce blur during handheld shooting. Its hybrid autofocus system combines 693 phase-detection points with 425 contrast-detection points for precise subject tracking. The Alpha 7 III offers 4K video recording with full pixel readout without binning, delivering high detail and color accuracy. Additionally, the camera provides a robust build with weather sealing and a high-capacity battery for extended shooting sessions.

Specifications

Age Range Description	Adult All
Built-In Media	Camera lens battery AC adaptor shoulder strap body cap accessory shoe cap eyepiece cup micro-USB cable Tripod Shoulder Strap Battery HDMI Cable Body Cap Eyecup SD Card Shoe Cap USB Cable Camera Kit Camera Body & Accessories Remote Wrist Strap Lens Cap
Are Batteries Included	Yes No
Series Number	7 3
UPC	027242910775 649661769118 649661769095 810151893327 810151893228 810151893334 641796585113 649661769125 810082100075 641796601349 810151893310 810082100068
Item Height	3 inches 3.8 inches 2.9 inches
Manufacturer	Sony Cardinal Camera-Sony
Warranty Description	1 90 days limited warranty Sony USA
Metering Methods	Center-Weighted Average Highlight Weighted Multi-Zone Spot Evaluative Center-Weighted ['Spot' 'Partial' 'Center Weighted' 'Multi-Zone (Evaluative)'] Center Weighted ['Spot' 'Partial' 'Center Weighted' 'Multi-Zone (Evaluative)'] Multiple 1200-zone evaluative
Exposure Control	Aperture Priority Auto Manual Program Shutter Priority Automatic ['Manual' 'Shutter Priority' 'Aperture Priority'] Program (P) mode, Aperture Priority (Av or A) mode, and/or Shutter Priority (Tv or S) mode manual-and-automatic ['Manual' 'Shutter Priority' 'Aperture Priority']
White Balance Settings	Auto Daylight Custom Cloudy Flash torch Shade
Self Timer	10 seconds 2 seconds
Crop Mode	Full-Frame 3:2
Screen Size	3 Inches 7 Inches
Display Type	LCD
Dots Per Screen	921 600 Dot 922k-dots 922k 922 000 dots 000 922000 922k-dot
Display Fixture Type	Tilting tilting
Display Resolution Maximum	922 000 24.2 MP
Has Color Screen	Yes
Flash Memory Type	SDXC Slot 1: SD/SDHC/SDXC (UHS-II)Slot 2: SD/SDHC/SDXC/Memory Stick Duo Hybrid (UHS-I) SD SDHC SDXC or SDHC
Memory Slots Available	2 1
Memory Storage Capacity	64 GB 128 GB
Recording Capacity	30 minutes 42 Hours
Flash Memory Bus Interface Type	Serial Bus Interface (SBI) SD USB UHS-I UHS-II
Compatible Mountings	Sony FE Sony E
Sensor Type	CMOS BSI CMOS
Image stabilization	Optical Sensor-shift 5-Axis Digital Hybrid Dual
Maximum Aperture	3.5 f 3.5 Millimeters 6.3 f
Expanded ISO Minimum	50 100 800
Photo Sensor Resolution	24.2 MP 24 MP 25.3 MP
Photo Sensor Size	Full Frame (35mm) 24.2
Maximum Shutter Speed	1/8000 seconds 30 seconds 0.1 seconds
Minimum Shutter Speed	30 seconds 0.1 seconds 0.01 seconds 1/4000 seconds
Form Factor	Mirrorless Compact
Special Feature	693-Point Hybrid AF System Image Stabilization Live View hd-movie
Color	Black
Item Weight	1.44 Pounds 1.43 Pounds 5.56 Pounds 7.7 Pounds 7.74 Pounds 4.38 Pounds 14.72 Pounds 14.7 Pounds 4.4 Pounds 1.4 Pounds 13.77 Pounds 5.6 Pounds 13.8 Pounds 6.2 Pounds
Video Resolution	4K UHD 2160p 1080p 2160p
Viewfinder	Electronic
Flash Modes	Auto Fill Flash Hi-Speed Sync Off Rear Sync Red-Eye Reduction Slow Sync Wireless TTL Auto [and potentially others] Automatic On/Fill [POSSIBLE] Auto On (Manual) On Slow Synch Rear Curtain Synch
Camera Flash	Hotshoe Built-In no flash F3.5–F5.6 external
Skill Level	Professional Novice
Specific Uses For Product	Photography Videography
Continuous Shooting	10 fps 10.00 11.00 1E+1 fps
Aperture modes	F3.5–F5.6 F5.6 F2.8-F4.5 F2.8-F5.6
Viewfinder Magnification	0.78x Greater than or equal to 1.0x 0.70x 0.5x
Flash Sync Speed	1/250 Second 1/200 seconds 1/200 or 1/250 1/250 1/200-1/250 seconds 1/250 sec.*2
Video Capture Format	AVC XAVC 1080p 4k MP4 4K
Expanded ISO Maximum	51200 204800 102400
Battery Weight	1.5 Grams 25 Grams 22.8 Grams
Audio Output Type	Headphones Internal Speaker Headphone Jack Potential Digital Audio Output internal
Battery Cell Type	Lithium Ion
Guide Number	118.11' / 36 m at ISO 100 (105 mm Position) 6 118.11' / 36 m at ISO 100 (105 mm Position)
Battery Type	2280 mAh Lithium Ion NP-FZ100 Rechargeable Lithium-Ion Battery
Aspect Ratio	16:9 3:2
File Format	RAW JPEG Raw
Effective Still Resolution	24.2 MP 24 MP
JPEG Quality Level	Basic Fine Normal
Supported Image Format	JPEG RAW Raw JPEG and RAW
Dynamic Stops	5 Stops
Bit Depth	14 Bit 10 Bit
Maximum Focal Length	70 Millimeters 7E+1 Millimeters
Optical Zoom	2 x 0.78 x 3 x 2.5 x 0.5 x
Lens Type	standard-zoom Telephoto Wide Angle Zoom Standard Zoom interchangeable Sony E-mount
Zoom	optical Digital Zoom Optical Zoom
Camera Lens	FE 28-70mm F3.5-5.6 OSS Lens 70 Mm 70mm zoom lens This camera comes with a Sony FE 28-70mm f/3.5-5.6 OSS lens, which offers a versatile focal length range for various shooting scenarios. The Optical SteadyShot (OSS) image stabilization helps reduce camera shake, particularly in low light conditions, ensuring sharper and clearer images. This bundle includes the FE 28-70mm f/3.5-5.6 OSS lens, which offers a versatile 28-70mm focal length range and Optical SteadyShot image stabilization. Sony FE 28-70mm f/3.5-5.6 OSS Lens The camera is equipped with a Sony FE 28-70mm f/3.5-5.6 OSS Lens, which offers a focal length range of 28-70mm and a variable maximum aperture of f/3.5-5.6. The lens also features Optical SteadyShot image stabilization for sharp and noise-free images. [The lens is a 24.2-megapixel full-frame lens, compatible with Sony E mount, that supports telephoto and wide-angle photography, with a maximum focal length of 70mm and 2x optical zoom.] Sony 28-70mm E-mount lens Sony FE 28-70mm f/3.5-5.6 OSS Lens with 28-70mm zoom range, covering various uses, and built-in Optical SteadyShot image stabilization. The product includes a Sony FE 28-70mm f/3.5-5.6 OSS Lens, which features a versatile zoom range for various photo and video tasks. The lens has a built-in Optical SteadyShot image stabilization system to minimize image blur from camera shake.
Minimum Focal Length	3.5 Millimeters 28.0 28 Millimeters 35 Millimeters
Focal Length Description	28 to 70mm 70 millimeters 70.0 millimeters
Digital Zoom	0.19 x
Number of Diaphragm Blades	7 5 9
Photo Filter Thread Size	55 Millimeters
Lens Construction	9 Elements in 8 Groups 5 or more [MO] Aspherical 9 elements and 7 groups 13/9
Photo Filter Size	55 Millimeters
Connectivity Technology	HDMI NFC Wi-Fi USB Micro HDMI Micro USB
Wireless Technology	Bluetooth Wi-Fi NFC
Video Output	Micro-HDMI HDMI Micro HDMI Micro-USB USB
Total USB 2.0 Ports	1 2
Total USB 3.0 Ports	1
Total USB Ports	1 4
Total Video Out Ports	1 2
Shooting Modes	AUTO (iAuto) Programmed AE (P) Aperture priority (A) Shutter-speed priority (S) Manual (M) Movie modes Movie Panorama Portrait Automatic Landscape Sports Aperture Priority Shutter Priority Manual Program Custom Macro Night Underwater Easy
Digital-Still	Yes No
Movie Mode	Yes No
Image Capture Type	Stills & Video Stills Video
Night vision	No
Auto Focus Technology	Contrast Detection Phase Detection Hybrid
Focus Features	Automatic Continuous-Servo AF Direct Manual Focus Manual Focus Single-Servo AF Hybrid Contrast Detection Autofocus autofocus self-illumination light
Autofocus Points	693
Focus Type	optical Automatic Continuous-Servo AF Direct Manual Focus Manual Focus Single-Servo AF Auto Focus Auto and Manual Focus
Focus Mode	Direct Manual Focus (DMF) Continuous-Servo AF (AF-C) Single-Servo AF (AF-S)
Autofocus	Yes
Unit Count	1 Count
Digital Scene Transition	True zoom False
Touch Screen Type	Touchscreen Capacitive Touch Screen
Processor Description	bionz x bionz
Mount Type	1 x Hot Shoe Mount Hot Shoe Mount Sony E Tripod Bayonet
Item Width Side To Side	2.9"D x 5"W x 3.8"H 5"D x 2.9"W x 3.8"H
Minimum Aperture	5.6
Warranty Type	90 days limited warranty Limited
Number of Batteries	1 Lithium Ion batteries required.
Lens Mount	Sony E
Processor Count	4
External-Memory Size	64 GB 128 GB
Remote Included	No Yes
Write Speed	10 fps 8 fps 5 fps 60MB/s 90 MB/s 30 MB/s [100 300] MB/s 60 MB/s
Flash Memory Speed Class	UHS-I Speed Class 3 (U3) U3 C10 10 (or U1) V30 UHS-I U3 (UHS Speed Class 3) 10
Flash Memory UHS Speed Class	3 U3 UHS-III
Flash Memory Video Speed Class	V30 V30 or higher UHS Class 3 (U3) U3
Flash Memory Supported Size Maximum	64 GB
Flash Memory Installed Size	64 GB 128 GB
Compatible Devices	Sony E mount cameras Devices with Wi-Fi NFC and USB Type-C connectivity Personal Computer Smartphone Television Wi-Fi and NFC enabled devices USB Type-C compatible devices Sony E-mount Sony E Computers some external displays USB-compatible devices Wi-Fi and NFC-enabled devices devices supporting MP4 JPEG and RAW formats Sony E-mount devices
Audio Input	Built-in microphone Microphone
Delay between shots	0.1 seconds
Battery Average Life	9.5 Hours
Water Resistance Level	Not Water Resistant Water Resistant
Frame Rate	30 FPS 24 FPS 60 FPS [POSSIBLE_VALUES] 24+ FPS 24 25 30 fps 24 or 30 FPS
Battery Capacity	2.28 Amp Hours 2.28E+3 Milliamp Hours 2280 Milliamp Hours
Total Still Resolution	24.2 MP 24 MP 25 MP
Real Angle Of View	75.4 Degrees 28.46 Degrees 28.4 Degrees 75 Degrees 113.1 Degrees 24 Degrees
Supported Audio Format	AAC MP3 WAV [Inferred] WAV or WAV FLAC OPUS
Diopter Adjustment Range Description	±2 to ±3 diopters ±3 diopters 12
Viewfinder Coverage Percentage	100
Microphone Technology	Stereo
Maximum Image Size	24.2 MP 6E+3 Pixels
Lens Correction Type	Various Lens Corrections Peripheral Illumination
Crop Factor	1
Shutter Type	Rolling Shutter Electronic
Item Dimensions D x W x H	2.9"D x 5"W x 3.8"H 5"D x 2.9"W x 3.8"H 5"D x 2.9"W x 3.8"H
Data Transfer Rate	1.7E+2 Megabits Per Second
Has Image Stabilization	Yes
Shutter Speed Description	[Approximately 1/1000th of a second to 0.1 seconds]
Audio Recording	Yes

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FAQ

What sensor does the Sony Alpha 7 III use?

The Sony Alpha 7 III uses a 24.2-megapixel full-frame Exmor R CMOS sensor.

Does the Alpha 7 III feature in-body image stabilization?

Yes, it features 5-axis in-body image stabilization to reduce camera shake.

Can the Alpha 7 III record 4K video?

Yes, it supports 4K video recording with full pixel readout.

What autofocus system does the Sony Alpha 7 III have?

It includes a hybrid AF system with 693 phase-detection and 425 contrast-detection points.

Is the Sony Alpha 7 III still in production?

As of now, the Sony Alpha 7 III is still being produced and available for purchase.

What type of battery does the Alpha 7 III use?

It uses the NP-FZ100 rechargeable lithium-ion battery for extended shooting time.

Are there comprehensive manuals and accessory information available?

Yes, detailed PDFs, compatible accessories, and component information for the Alpha 7 III are available.

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