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Sony Alpha a7 III

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The Sony Alpha a7 III is a high-resolution, full-frame mirrorless camera and an update to the a7 II. Key features include:

  • High resolution and excellent low-light performance

  • Five-axis in-body image stabilization

  • Updated hybrid autofocus system

  • 4K video capture

What’s New? The Sony Alpha a7 III offers several improvements over its predecessor, the a7 II, including several features that debuted on the higher-end a7R III. It boasts a redesigned sensor, a faster processor, an expanded ISO range, improved autofocus performance, improved image stabilization, dual SD memory slots and a higher-capacity battery.

24.2MP Exmor R BSI CMOS Sensor and BIONZ X Image Processor. The Sony Alpha a7 III’s 24.2MP back-illuminated full-frame sensor works in tandem with the BIONZ X processor to deliver incredibly fast performance, excellent image quality, and great low-light performance. You get 14-bit RAW stills with a native sensitivity range of ISO 100-51200, which can be expanded to ISO 50-204800. You also get internal UHD 4K video capture using the sensor’s full width. This combination of sensor and processor enables the a7 III to keep up with fast-paced shooting applications. You can shoot up to 10 fps at full resolution with full autofocus for up to 177 consecutive frames in either mechanical or electronic shutter mode, and up to 8 fps in live-view mode.

Improved Hybrid Autofocus System. This updated 4D FOCUS autofocus system gives you twice the speed and substantially more reliable tracking compared to previous a7 cameras. It features 693 on-sensor phase-detect autofocus points with 93% coverage along with 425 contrast-detect autofocus points, providing extremely fast, accurate performance. You have the option of Flexible Spot focusing, which uses neighboring focus points to stay focused on fast-moving subjects even if the original point loses focus. The Eye AF feature lets you base focusing on a familiar subject’s eyes, making this camera great for portraiture, while Focus Magnification emphasizes minute details. The a7 III sees the addition of an AF Point joystick and dedicated AF On button, in addition to touchscreen control.

Five-Axis SteadyShot INSIDE Image Stabilization. Borrowed from the a7R III, the SteadyShot INSIDE image-stabilization system offers up to five stops of correction on to any lens you mount. This system compensates for five types of camera shake, including angular shake (pitch and yaw), shift shake (X and Y axes), and rotational shake (roll). All five stabilization axes are constantly engaged, even when you’re using third-party lenses, adapters, or lenses with their own built-in image stabilization.

UHD 4K Video Capture. The a7 III can capture UHD 4K video in multiple frame rates up to 30 fps, which is oversampled 2.4-fold to ensure that there’s no pixel-binning. It can also capture Full HD 1080p at up to 120 fps. Both 4K and Full HD resolutions use 100 Mbps XAVC S format in an MP4 wrapper with 4:2:0 sampling. In addition to these high-resolution internal-recording options, the a7 III offers uncompressed 4:2:2 video output via an HDMI connection.

High-Res Electronic Viewfinder and LCD. The built-in XGAOLED EVF boasts 2.4M-dot resolution, 100% coverage, and 0.78x magnification to give you a bright, clear view of what the sensor sees. The tilting 3.0-inch 922K-dot rear tilting touchscreen LCD can also be used for image composition and review when shooting at arm’s length.

Other Notable Features. There’s a hot-shoe external-flash connection, automatic anti-flicker shutter timing, an advanced metering system, a range of Creative Style and Picture Effect modes, and built-in Wi-Fi and Bluetooth capabilities for wireless image sharing and camera control. It records its 14-bit RAW images, JPEGs, and video files to SD memory cards via its dual SD memory card slots (one of which is UHS-II compatible), and uses the rechargeable NP-FZ100 battery that’s rated for approximate 710 shots per charge.


Aspect Ratio

3:2, 16:9

Audio Recording

Built-In Mic: With Video (Stereo)
Optional External Mic: With Video (Stereo)

Autofocus Points

Phase Detection: 693
Contrast Detection: 425


NP-FZ100 Rechargeable Lithium-Ion Battery Pack, 7.2 VDC, 2280 mAh

Bit Depth




Built-in Flash


Camera Type



-5 EV to +5 EV (in 1/3 or 1/2 EV Steps)


1/8" Headphone, 1/8" Microphone, HDMI D (Micro), USB 2.0 Micro-B, USB 3.0, USB Type-C

Continuous Shooting

Up to 10 fps at 24.2 MP for up to 89 frames in RAWformat

Up to 10 fps at 24.2 MP for up to 177 frames in JPEGformat

Up to 8 fps at 24.2 MP

Up to 6 fps at 24.2 MP

Up to 3 fps at 24.2 MP

Dedicated Flash System




Diopter Correction

-4 to +3m


3.0" Rear Touchscreen Tilting LCD (921,600)

Display Coverage


Dust Reduction System


Exposure Metering

EV -3.0 – EV 20.0

Exposure Modes

Aperture Priority, Auto, Manual, Movie, Program, Shutter Priority

External Flash Connection

Hot Shoe

File Format

Still Images: JPEGRAW
Movies: AVCHD Ver. 2.0, MPEG-4 AVC/H.264, XAVCS
Audio: AC3, Dolby Digital 2ch, Linear PCM (Stereo)

Flash Compensation

-3 EV to +3 EV (in 1/3 or 1/2 EV steps)

Flash Modes

Auto, Fill-In, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync, Wireless

Focus Modes

Automatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF

Focus Type

Auto & Manual



ISO Range

Auto, 100-51200 (Extended Mode: 50-204800)

Image Stabilization

Sensor-Shift, 5-way

Item Type


Maximum Resolution

24 MP: 6000 × 4000

Maximum Sync Speed

1/250 second

Memory Type

SD, SDHCSDXC, Memory Stick Pro Duo, Memory Stick PRO HG-Duo

Metering Modes

Center-Weighted Average Metering, Multi-Zone Metering, Spot Metering, Highlight Weighted


Sony E

Operating Temperature

32 to 104°F (0 to 40°C)


Actual: 25.3 Megapixel
Effective: 24.2 Megapixel

Recommended For

New Products and New Products

Remote Control

RM-VPR1, VCT-XPR10, VCT-VPR1, RM-SPR1, RMT-VP1K (Optional)

Self Timer

10 seconds, 5 seconds, 2 seconds

Sensor Dimensions

35.6 × 23.8mm

Sensor Size

Full Frame

Sensor Type


Shutter Speed

30 – 1/8000 Second, Bulb Mode

Video Aspect Ratio


Video Clip Length

Up to 29 minutes

Video Format

3840 × 2160p at 23.98, 25, 29.97 fps (100 Mb/s XAVCS via H.264)

3840 × 2160p at 23.98, 25, 29.97 fps (60 Mb/s XAVC S via H.264)

1920 × 1080p at 100, 120 fps (100 Mb/s XAVC S via H.264)

1920 × 1080p at 100, 120 fps (60 Mb/s XAVC S via H.264

1920 × 1080p at 23.98, 25, 29.97, 50, 59.94 fps (50 Mb/s XAVC S via H.264)

1920 × 1080p at 50, 59.94 fps (25 Mb/s XAVC S via H.264)

1920 × 1080p at 25, 29.97 fps (16 Mb/s XAVC S via H.264)

1920 × 1080i at 50, 59.94 fps (24 Mb/s AVCHD via H.264)

1920 × 1080i at 50, 59.94 fps (17 Mb/s AVCHD via H.264)

Video Recording


Viewfinder Coverage


Viewfinder Eye Point


Viewfinder Magnification

Approx. 0.78x

Viewfinder Pixel Count


Viewfinder Size


Viewfinder Type



1.43 lbs.

White Balance Modes

Auto, Cloudy, Color Temperature, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater





Sony Alpha a7 III

Battery - Sony NP-FZ100

Camera Strap

Charger - Non-Polarized Cable

Charger - Sony BC-QZ1

Sony Body Cap

Sony FDA-EP18 Eyepiece Cup