Sony Alpha 7 IV image

Sony Alpha 7 IV

Quick information
Brand Sony 2021
Model ILCE7M4B-205
Released Year 2021
Type Mirrorless Cameras
Color Black
Compatible Mountings Sony E
Autofocus Yes
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 (model ILCE7M4B-205) is a full-frame mirrorless camera featuring a 33MP Exmor R CMOS sensor, offering high resolution and excellent low-light performance. It utilizes Sony's latest BIONZ XR image processor, enhancing processing speed, noise reduction, and overall image quality. The camera supports 4K video capture up to 60fps with 10-bit 4:2:2 internal recording, suitable for professional videography. It features a 5-axis in-body image stabilization system, providing up to 5.5 stops of shake reduction, essential for handheld shooting. The autofocus system includes Real-time Eye AF for humans, animals, and birds, with 759 phase-detection points across the sensor for precise and fast focusing. Connectivity options include USB Type-C, HDMI output, Wi-Fi, and Bluetooth, enabling seamless transfer and remote control capabilities.

Specifications

Built-In Media Camera Body Only
Are Batteries Included Yes
Remote Included No
UPC 842510150710
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 0.5-inch 3.68M-dot OLED EVF
Flash Modes Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
Camera Flash Hotshoe
Skill Level Professional
Continuous Shooting 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
Battery Cell Type Lithium Ion
Battery Average Life 110 Hours
Battery Type Lithium Ion
Processor Description Bionz XR
Frame Rate Up to 120 fps
Mount Type 1 x Hot Shoe Mount
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
Bit Depth 14 Bit
Optical Zoom 8 x
Lens Type Wide Angle
Focal Length Description 28-300mm f/4-7.1
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 Phase-detection AF points, 425 Contrast-detection AF points
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 Yes
Camera Type Mirrorless, Full-frame
Sensor 33MP Exmor R CMOS
Image Processor BIONZ XR
ISO Sensitivity 100-51200 (expandable to 50-204800)
Image Stabilization 5-axis In-body stabilization, up to 5.5 stops
Continuous Shooting Speed Up to 10 fps with AF/AE tracking
Video Recording 4K UHD up to 60fps, 10-bit 4:2:2 internal
LCD Screen 3.0-inch 1.03M-dot Vari-angle touchscreen
Shutter Speed 1/8000 to 30 seconds, bulb
Storage Media Dual SD card slots (UHS-II compatible)
Battery NP-FZ100 rechargeable battery
Connectivity USB Type-C, HDMI Type A, Wi-Fi, Bluetooth
Weight Approximately 658g (body only)
Body Construction Magnesium alloy chassis, dust and moisture resistant

Key Advantages

The Alpha 7 IV offers excellent image quality with its high-resolution sensor and advanced image processor. Its video capabilities, particularly 4K at 60fps and 10-bit recording, place it ahead in hybrid photo-video markets. The comprehensive autofocus system ensures accurate and fast subject tracking. In-body stabilization significantly reduces blur in handheld shots. The electronic viewfinder provides a high-resolution, clear display for precise composition. Additionally, its robust build includes dust and moisture resistance suitable for challenging environments.

Limitations

Despite its advanced features, the Alpha 7 IV has a relatively high price point that might be a barrier for some users. The battery life is moderate compared to DSLRs, necessitating spare batteries for extended shooting. Continuous high-speed shooting generates substantial data, requiring fast and high-capacity memory cards. Some users may find the menu system complex due to numerous customizable options. The autofocus performance in very low light, while good, may occasionally struggle with certain fast-moving subjects. Additionally, the autofocus system's eye-tracking is less effective with non-human subjects in some scenarios compared to specialized cameras.

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