
Sony Alpha 7 IV
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 |
Quick view
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 |
Images
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.
FAQ
What sensor does the Sony Alpha 7 IV use?
The Sony Alpha 7 IV is equipped with a 33-megapixel full-frame Exmor R CMOS sensor.
Can the Alpha 7 IV record 4K video?
Yes, it supports 4K video recording up to 60 frames per second with 10-bit 4:2:2 color sampling.
Does the camera have image stabilization?
Yes, it features a 5-axis in-body image stabilization system that compensates up to 5.5 stops.
What autofocus system does the Alpha 7 IV utilize?
It uses a hybrid autofocus system with 759 phase-detection and 425 contrast-detection points with Real-time Eye AF and Tracking.
What storage cards are compatible with the Alpha 7 IV?
The camera supports dual card slots compatible with CFexpress Type A and SDXC/SDHC UHS-II cards.
Is the Sony Alpha 7 IV suitable for beginners?
While it has many advanced features, the complexity and price may be better suited for enthusiasts and professionals.
Does the Alpha 7 IV have a touchscreen?
Yes, it includes a 3-inch vari-angle touchscreen LCD with 1.03 million dots for flexible and intuitive control.
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