Sony Alpha 7 IV image

Sony Alpha 7 IV

Quick information
Brand Sony 2021
Model ILCE7M4B-204
Released Year 2021
Type Mirrorless Cameras
Color Black
Compatible Mountings Sony E
Autofocus Real-time Eye AF for humans, animals, birds; 759 phase-detection points
Photo Sensor Resolution 33 MP
Video Resolution 4320p
Optical Zoom 8 x
File Format JPEG, Raw, HEIF
Status Active
Quick view

Overview

The Sony Alpha 7 IV (ILCE7M4B-204) is a full-frame mirrorless camera featuring a 33-megapixel Exmor R CMOS sensor paired with the advanced BIONZ XR image processor. It supports 5-axis in-body image stabilization delivering up to 5.5 stops of shake correction. The camera offers real-time Eye AF for humans, animals, and birds, enhancing autofocus accuracy and subject tracking. Video capabilities include 4K recording at up to 60p, with 10-bit 4:2:2 color depth internally and support for HDR workflows. Connectivity options such as USB-C, Wi-Fi, and Bluetooth enable fast file transfer and remote control. The Alpha 7 IV also features a 3.0-inch vari-angle touchscreen LCD and a high-resolution electronic viewfinder, designed for ergonomic handling and professional operation.

Specifications

Age Range Description Adult
Built-In Media Camera Body Only
Are Batteries Included Yes
Remote Included No
UPC 842510149936
Item Height 3.8 inches
Manufacturer Sony
Warranty Description 1 year manufacturer
Connectivity Technology HDMI, USB
Wireless Technology Bluetooth, Wi-Fi
Video Output HDMI
Total USB 2.0 Ports 1
Total USB 3.0 Ports 1
Total USB Ports 1
Total Video Out Ports 2
Shooting Modes Auto, Programmed, Aperture, Shutter speed, Manual, Movie
Digital-Still Yes
Movie Mode Yes
Image Capture Type Stills & Video
Night vision No
Compatible Mountings Sony E
Sensor Type CMOS
Image stabilization Sensor-shift
Maximum Aperture 3.5 Millimeters
Expanded ISO Minimum 50
Photo Sensor Resolution 33 MP
Photo Sensor Size Full Frame (35mm)
Maximum Shutter Speed 30 Seconds
Minimum Shutter Speed 1/8000 Seconds
Form Factor Mirrorless
Special Feature BIONZ XR Processor; 759-Pt. Fast Hybrid AF, Real-time Eye AF; 5-Axis SteadyShot Image Stabilization
Color Black
Item Weight 635 Grams
Video Resolution 4320p
Viewfinder 0.64-inch 3.68M-dot OLED electronic viewfinder
Flash Modes Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Camera Flash Hotshoe
Skill Level Professional
Continuous Shooting Up to 10 fps
Viewfinder Magnification 0.78x
Flash Sync Speed 1/250 Second
Video Capture Format H.265
Expanded ISO Maximum 204800
Battery Weight 3 Ounces
Audio Output Type Headphones
Battery Cell Type Lithium Ion
Battery Average Life 110 Hours
Battery Type Lithium Ion
Processor Description Bionz XR
Frame Rate Up to 120 fps
Aspect Ratio 1:1, 3:2, 4:3
File Format JPEG, Raw, HEIF
Effective Still Resolution 33
JPEG Quality Level Fine
Supported Image Format JPEG, RAW
Maximum Image Size 33 MP
Bit Depth 14 Bit
Optical Zoom 8 x
Lens Type Wide Angle
Focal Length Description 24-70mm f/2.8
Digital Zoom 8 x
Metering Methods Center-Weighted Average, Highlight Weighted, Multiple, Spot
Exposure Control Manual
White Balance Settings Auto, Cloudy, Color Temperature, Custom, Daylight, Flash torch, Fluorescent, Incandescent, Shade, Underwater
Self Timer 10 Seconds, 2 Seconds, 5 Seconds
Screen Size 3 Inches
Display Type LCD
Display Fixture Type Tilting
Display Resolution Maximum 3840 x 2160
Has Color Screen Yes
Flash Memory Type Slot 1: CFexpress Type A / SD (UHS-II)Slot 2: SD/SDHC/SDXC (UHS-II)
Memory Slots Available 2
Auto Focus Technology Eye Detection
Focus Features Hybrid
Autofocus Points 759
Focus Type manual-and-auto
Focus Mode Continuous-Servo AF (AF-C), Direct Manual Focus (DMF), Manual Focus (MF), Single-Servo AF (AF-S)
Autofocus Real-time Eye AF for humans, animals, birds; 759 phase-detection points
Type Mirrorless Camera
Sensor 33MP Full-Frame Exmor R CMOS
Image Processor BIONZ XR
Lens Mount Sony E-mount
ISO Sensitivity ISO 100-51200 (expandable to 50-204800)
Image Stabilization 5-axis in-body stabilization (up to 5.5 stops)
Rear LCD 3.0-inch vari-angle touchscreen, 1.03M dots
Video Recording 4K UHD up to 60p, 10-bit 4:2:2 internal recording, S-Log3, HLG support
Storage Media Dual card slots (CFexpress Type A and SDXC/SDHC UHS-II)
Connectivity Wi-Fi, Bluetooth 5.0, USB-C, micro HDMI
Battery NP-FZ100 rechargeable battery
Dimensions 131.3 x 96.4 x 79.8 mm
Weight Approx. 658 g (including battery and memory card)

Key Advantages

The Alpha 7 IV provides exceptional image quality with its high-resolution sensor and updated image processor. Advanced autofocus technology significantly improves tracking and focusing on moving subjects. The camera’s in-body image stabilization enhances handheld shooting performance. 4K video at 60fps with 10-bit color supports professional video creation. Connectivity features streamline workflow via wireless transfer and tethered shooting. The vari-angle LCD enhances compositional flexibility in various shooting scenarios.

Limitations

Despite its many strengths, the Alpha 7 IV has some limitations including a slightly slower burst shooting speed compared to some rivals at 10fps. The buffer depth may restrict continuous shooting duration when recording in RAW format. Compared to the predecessor, the battery life remains moderate, which may necessitate spare batteries for long sessions. The menu system, although improved, can still be complex for new users. The camera body is relatively large compared to earlier Sony mirrorless models, affecting portability. Also, 4K 60p video recording is cropped slightly, which may impact wide-angle video work.

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