Sony A7 III image

Sony A7 III

Quick information
Brand Sony 2018
Model ILCE7M3/B.2
Released Year 2018
Type Mirrorless Cameras
Series Alpha
Color Black
Compatible Mountings Sony E
Autofocus Yes
Photo Sensor Resolution 24.2 MP
Video Resolution 2160p
Optical Zoom 1 x
File Format
  • MP4
  • RAW
Status Active
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Overview

The Sony Alpha A7 III features a 24.2-megapixel full-frame Exmor R BSI CMOS sensor that delivers high-resolution images with excellent noise control. It incorporates a powerful BIONZ X image processor, allowing continuous shooting at up to 10 fps with full AF/AE tracking. The camera includes 693 phase-detection AF points and 425 contrast AF points for precise and fast autofocusing. It supports 4K UHD video recording with full pixel readout and no pixel binning, delivering sharp and detailed footage. The body is built with a magnesium alloy frame, ensuring durability with weather-sealing for adverse conditions. Additionally, the camera offers 5-axis in-body image stabilization to minimize blur from camera shake.

Specifications

Built-In Media Battery, Body Cap, Eyecup, Shoe Cap, Shoulder Strap, USB Cable
Are Batteries Included
  • Yes
  • No
UPC
  • 723548585340
  • 094148072630
Manufacturer Sony
Warranty Description 90 days limited warranty
Connectivity Technology NFC, Wi-Fi
Wireless Technology NFC, Wi-Fi
Total Video Out Ports 1
Shooting Modes
  • Landscape, Manual, Portrait, Sports
  • continuous Shooting
Digital-Still Yes
Movie Mode Yes
Image Capture Type Stills & Video
Night vision No
Auto Focus Technology
  • Contrast Detection
  • Hybrid
Focus Features Hybrid
Autofocus Points 693
Focus Type automatic_only
Focus Mode Automatic AF (AF-A)
Autofocus Yes
Aspect Ratio
  • 4:3
  • 16:9
File Format
  • MP4
  • RAW
Effective Still Resolution 24.2 MP
JPEG Quality Level
  • Fine
  • Basic
  • Normal
Maximum Image Size 72.6 MB
Total Still Resolution 24.2 MP
Optical Zoom 1 x
Lens Type
  • Sony E-mount lens
  • Interchangeable
Zoom smooth zoom
Exposure Control Automatic
White Balance Settings
  • Auto, Cloudy, Daylight, Flash torch
  • Auto
Self Timer 10 Seconds
Screen Size 3 Inches
Display Type LCD
Display Fixture Type Tilting
Touch Screen Type Capacitive
Display Resolution Maximum
  • 24.2 MP
  • 0.922 MP
Has Color Screen Yes
Flash Memory Type SD
Memory Slots Available
  • 1
  • 2
Recording Capacity 1E+3 Minutes
Flash Memory Speed Class U3
Flash Memory UHS Speed Class UHS Speed Class 3 (U3)
Flash Memory Bus Interface Type UHS-I
Compatible Mountings Sony E
Sensor Type CMOS
Maximum Aperture 3.5 Millimeters
Photo Sensor Resolution 24.2 MP
Photo Sensor Size Full Frame (35mm)
Minimum Shutter Speed
  • 1/8000 Seconds
  • 0.1 seconds
Form Factor
  • Compact, Mirrorless
  • Mirrorless
Color Black
Item Weight
  • 3.07 Pounds
  • 3.3 Pounds
Video Resolution 2160p
Viewfinder Electronic
Flash Modes
  • Auto, On, Off
  • Automatic
Camera Flash
  • Built-In
  • no flash
Skill Level Professional
Compatible Devices
  • Sony Alpha series cameras (with Sony E mount)
  • Wi-Fi
  • NFC
  • USB
Continuous Shooting 10 fps
Aperture modes
  • F2.8
  • F2.8-F16
Viewfinder Magnification 0.70x
Video Capture Format 4k
Expanded ISO Maximum 204800
Battery Weight
  • 0.43 Pounds
  • 100 Ounces
Battery Cell Type Lithium Ion
Battery Type Lithium Ion
Processor Description bionz x
Water Resistance Level Not Water Resistant
Supported Audio Format AAC
Frame Rate 30 FPS
Battery Capacity 2.28E+3 Milliamp Hours
Mount Type
  • Bayonet
  • Sony E
Warranty Type 90 days limited warranty
Sensor type 24.2MP full-frame Exmor R BSI CMOS
Image processor BIONZ X
Autofocus points 693 phase-detection + 425 contrast detection
Continuous shooting speed Up to 10 fps
Video recording 4K UHD at 30p/24p
In-body image stabilization 5-axis
Age Range Description Adult
Remote Included No
Series Number 2
Item Height 5 inches
Total USB Ports 2
Digital Scene Transition True
Supported Image Format RAW
Bit Depth 14 Bit
Camera Lens No dedicated lens included, body-only model with interchangeable lens mount
Number of Diaphragm Blades 7
Write Speed 10 fps
Image stabilization Sensor-shift
Special Feature Lightweight
Specific Uses For Product Photography
Delay between shots 0.1 seconds
Audio Output Type internal

Key Advantages

The A7 III's 24.2MP sensor offers a perfect balance of resolution and sensitivity with an ISO range expandable to 204,800. Its hybrid autofocus system ensures fast and precise focusing for both stills and video. The 5-axis in-body image stabilization helps capture sharper images in low-light and handheld shooting. The camera boasts excellent battery life for a full-frame mirrorless model, allowing longer shooting sessions. Dual SD card slots offer flexible and safe storage options. The high-resolution electronic viewfinder and tilting touchscreen enhance user experience for framing and navigating menus.

Limitations

While versatile, the A7 III does not have a fully articulating screen, limiting some video shooting angles. Its menu system can be complex and overwhelming for new users. Native lens selection is robust but some specialized lenses are bulky compared to compact mirrorless lenses. 4K video uses 8-bit 4:2:0 internally, which might be limiting for professional color grading. Autofocus performance in low light, although good, can struggle with fast-moving subjects. The camera's price is higher compared to entry-level mirrorless models, which may deter casual users.

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