Sony Alpha 7 IV image

Sony Alpha 7 IV

Quick information
Brand Sony 2021
Model a74
Released Year 2021
Type Mirrorless Cameras
Series 7
Color Black
Compatible Mountings Sony E
Autofocus Yes
Photo Sensor Resolution 33 MP
Video Resolution 4K UHD up to 60fps 10-bit 4:2:2
File Format MP4
Status Active
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Overview

The Sony Alpha 7 IV (a74) is a full-frame mirrorless camera equipped with a 33-megapixel Exmor R CMOS sensor, providing high-resolution imaging with improved low-light performance. It features the BIONZ XR image processor, enabling enhanced processing speed and efficient noise reduction. The camera supports 4K video recording at up to 60fps with 10-bit 4:2:2 color sampling, catering to professional videography needs. The autofocus system uses 759 phase-detection points combined with 425 contrast-detection points, allowing fast and accurate subject tracking. The 5-axis in-body image stabilization compensates for up to 5.5 stops, ensuring sharp handheld shots. Connectivity options include USB-C, HDMI, Wi-Fi, and Bluetooth to facilitate seamless file transfer and remote operation.

The Alpha 7 IV integrates advanced AI-based Real-time Eye AF and Real-time Tracking for both humans and animals, improving focus precision in diverse shooting scenarios. The camera uses a 3-inch vari-angle touchscreen LCD with 1.03 million dots for flexible composition and easy menu navigation. Dual card slots support CFexpress Type A and SDXC/SDHC UHS-II cards for high-speed recording and backup. The camera body boasts weather-seal construction, enhancing durability against dust and moisture. Overall, this model offers a balance between still photography excellence and advanced video capabilities, appealing to hybrid shooters.

Specifications

Built-In Media Camera Body Only
Are Batteries Included No
Remote Included No
Series Number 7
Connectivity Technology HDMI
Wireless Technology Wi-Fi
Video Output HDMI
Total USB Ports 1
Total Video Out Ports 1
Shooting Modes Automatic, Custom, Landscape, Macro, Manual, Movie, Panorama, Portrait, Shutter Priority, Sports
Digital-Still Yes
Movie Mode Yes
Image Capture Type Stills & Video
Compatible Mountings Sony E
Sensor Type 33MP Full-frame Exmor R CMOS
Image stabilization Sensor-shift
Photo Sensor Resolution 33 MP
Photo Sensor Size Full Frame (35mm)
Minimum Shutter Speed 0.0005 seconds
Form Factor Mirrorless
Color Black
Video Resolution 4K UHD up to 60fps 10-bit 4:2:2
Viewfinder 0.5-inch OLED EVF, 3.69 million dots
Flash Modes Auto, On, Off, Slow Synch, Rear Curtain Synch
Camera Flash no flash
Skill Level Professional
Compatible Devices [Inferred: Various devices supporting the camera's data transfer protocols and file formats]
Aperture modes F3.5–F5.6
Video Capture Format 4k
Expanded ISO Maximum 51200
Battery Cell Type Lithium Ion
Battery Type Lithium Ion
Water Resistance Level Not Water Resistant
Supported Audio Format [Multiple]
Frame Rate up to 60 FPS for 4K, up to 30 FPS for 7K oversampled 4K
Mount Type Tripod
Microphone Technology Stereo
Shutter Type Rolling Shutter
Crop Factor 1
Number of Channels 2
Mounting Thread Type 1/4-20
Has Image Stabilization No
Lens Mount Sony E
Aspect Ratio 16:9
File Format MP4
Effective Still Resolution 33 MP
JPEG Quality Level Fine
Supported Image Format JPEG, PNG, TIFF
Bit Depth 10 Bit
Total Still Resolution 33 MP
Camera Lens Sony E-mount lens (or lenses)
Metering Methods Multi-segment, Center-weighted, Spot
Exposure Control Manual
White Balance Settings Auto
Display Type OLED
Display Fixture Type Tilting
Display Resolution Maximum 1920 x 1080 pixels
Has Color Screen Yes
Write Speed High
Flash Memory Bus Interface Type USB or PCIe
Auto Focus Technology Contrast Detection
Focus Features Autofocus
Autofocus Points 759 Phase-detection / 425 Contrast-detection
Focus Type Manual Focus
Focus Mode Manual Focus (MF)
Autofocus Yes
Image Processor BIONZ XR
ISO Range 100 - 51200 (expandable to 50-204800)
Image Stabilization 5-axis In-body SteadyShot INSIDE (5.5 stops)
LCD Screen 3.0-inch Vari-angle Touchscreen LCD, 1.03 million dots
Shutter Speed 1/8000 to 30 sec, Bulb
Continuous Shooting Up to 10fps with AF/AE
Storage Media Dual Slots: CFexpress Type A / SDXC (UHS-II)
Connectivity USB-C, HDMI Type A, Wi-Fi, Bluetooth
Battery NP-FZ100 rechargeable battery
Dimensions 131.3 x 96.4 x 79.8 mm
Weight Approximately 658 grams (body only)
Weather Sealing Dust and moisture resistant
Release Date December 2021

Key Advantages

The Sony Alpha 7 IV offers a high-resolution 33MP full-frame sensor that delivers exceptional image quality and dynamic range. Its advanced autofocus system with extensive phase-detection points ensures fast, accurate focusing in diverse conditions. The camera provides versatile video capabilities, including 4K 60fps recording with 10-bit color depth, meeting professional videography standards. Built-in 5-axis image stabilization allows for steady handheld shooting, reducing the need for external gimbals. A vari-angle touchscreen enhances user experience with flexible framing and intuitive controls. Additionally, dual card slots with support for fast CFexpress cards enable reliable, high-speed data recording and storage flexibility.

Limitations

The Sony Alpha 7 IV's higher resolution sensor results in larger file sizes, which may require more storage and processing power. In 4K 60fps video mode, a slight crop factor is introduced compared to 4K 30fps, potentially affecting wide-angle shooting. The camera's pricing and complexity might be prohibitive for casual users or beginners. Battery life, though improved, still may require carrying extra batteries for extended shooting sessions. The camera body is slightly bulkier and heavier compared to earlier 7 series models, influencing portability. Some users may find the menu system complex due to the numerous features and customization options available.

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