Sony ILCE9/B image

Sony ILCE9/B

Quick information
Brand Sony 2017
Model ILCE9/B_EDI_8
Released Year 2017
Type Mirrorless Cameras
Series Alpha 9
Compatible Mountings Sony E
Autofocus Yes
Photo Sensor Resolution 24.2 MP
Video Resolution 2160p
File Format RAW
Status Active
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Overview

The Sony Alpha 9 (ILCE-9/B) is a professional-grade full-frame mirrorless camera introduced in 2017, designed primarily for high-speed, high-precision photography. It features a 24.2-megapixel stacked CMOS sensor combined with a sophisticated BIONZ X image processor, delivering ultra-fast readout speeds and eliminating blackout during continuous shooting. The camera supports continuous shooting at up to 20 frames per second with full autofocus and auto exposure tracking, ideal for sports and wildlife photography. The advanced 693-point phase-detection autofocus system covers approximately 93% of the image area, providing exceptional subject tracking performance. It incorporates 5-axis in-body image stabilization, enhancing sharpness and image quality during handheld shooting. Additionally, it offers 4K video recording with full pixel readout and no pixel binning, catering to videographers seeking high fidelity footage.

Specifications

Sensor 24.2 MP Full-frame stacked CMOS sensor
Image Processor BIONZ X
ISO Sensitivity Auto, 100-51200 (expandable to 50-204800)
Autofocus Points 693
Continuous Shooting 20 fps
Image Stabilization 5-axis in-body stabilization
Viewfinder Electronic
LCD Screen 3.0 inch 1.44 million-dot tilting touchscreen LCD
Video Recording 4K UHD up to 30fps, Full HD 120fps
Storage Media Dual SD card slots (UHS-II support)
Connectivity Wi-Fi, NFC, USB 3.1, HDMI, microphone input, headphone output
Battery NP-FZ100 rechargeable battery
Dimensions 126.9 x 95.6 x 63.0 mm
Weight Approx. 673 g (body only)
Build Magnesium alloy body with weather sealing
Built-In Media Battery, Battery Charger, Body Cap, Eyecup, HDMI Cable, Shoulder Strap, Tripod, USB Cable
Are Batteries Included Yes
External-Memory Size 64 GB
UPC 649661769576
Item Height 3.8 inches
Manufacturer Sony
Warranty Description 90 days limited warranty
Connectivity Technology USB
Wireless Technology Bluetooth, Wi-Fi
Video Output HDMI
Total Video Out Ports 1
Shooting Modes [Portrait, Landscape, Sports, Movie, Manual]
Digital-Still Yes
Movie Mode Yes
Image Capture Type Stills & Video
Auto Focus Technology Contrast Detection
Focus Features Contrast Detection Autofocus
Focus Type Auto Focus
Focus Mode Continuous-Servo AF (AF-C)
Autofocus Yes
Aspect Ratio 4:3
File Format RAW
Effective Still Resolution 24.2 MP
JPEG Quality Level Fine
Bit Depth 14 Bit
Total Still Resolution 24.2 MP
Maximum Focal Length 400 Millimeters
Lens Type Telephoto
Zoom optical
Camera Lens Sony FE 100-400mm f/4.5-5.6 GM OSS Lens
Minimum Focal Length 100 Millimeters
Lens Construction [Multiple elements and groups]
Photo Filter Size 82 Millimeters
Exposure Control Program (P), Aperture Priority (Av or A), Shutter Priority (Tv or S), Manual (M), Automatic (Auto)
White Balance Settings Auto
Screen Size 3 Inches
Display Type LCD, OLED
Display Fixture Type Tilting
Touch Screen Type Capacitive
Display Resolution Maximum 24.2 MP
Has Color Screen Yes
Flash Memory Type SD
Memory Slots Available 2
Memory Storage Capacity 64 GB
Write Speed Likely in the range of MB/s
Flash Memory Speed Class UHS-I Class 10
Flash Memory UHS Speed Class U3 or U1
Compatible Mountings Sony E
Sensor Type CMOS
Image stabilization 5-Axis
Expanded ISO Minimum 102400
Photo Sensor Resolution 24.2 MP
Photo Sensor Size Full Frame (35mm)
Form Factor Mirrorless
Special Feature Image Stabilization
Item Weight 11.96 Pounds
Video Resolution 2160p
Camera Flash no flash
Skill Level Professional
Compatible Devices Sony E
Aperture modes F4.5-F5.6
Flash Sync Speed 1/250
Video Capture Format 4k
Expanded ISO Maximum 204800
Battery Weight 0.85 Pounds
Battery Cell Type Lithium Ion
Battery Type Rechargeable Lithium-Ion Battery
Processor Description bionz x
Water Resistance Level Waterproof
Frame Rate 30 FPS
Battery Capacity 2.28 Amp Hours
Mount Type Bayonet
Minimum Aperture 5.6
Warranty Type 90 days limited warranty
Crop Factor 1

Key Advantages

The Alpha 9's stacked CMOS sensor and high-speed processing enable blackout-free continuous shooting at an impressive 20fps, vastly superior for capturing fast action. Its 693-point phase-detection autofocus system ensures comprehensive focus coverage and excellent subject tracking accuracy. The inclusion of 5-axis in-body image stabilization aids in delivering sharper images under low light or dynamic conditions. The camera offers an excellent high ISO performance with reduced noise, allowing for better results in dim environments. Robust build quality, including weather sealing, makes it suitable for professional use in challenging environments. Furthermore, the dual SD card slots and extensive connectivity options, including USB 3.1 and HDMI output, support professional workflows and fast data transfer.

Limitations

Despite its cutting-edge performance, the Alpha 9 has a relatively high price point, limiting accessibility for enthusiast photographers. Its 24.2-megapixel resolution, while sufficient for most professional needs, is lower compared to some competitors offering higher resolution sensors. The camera's menu system, while comprehensive, can be complex and requires a learning curve for new users. Battery life, although improved over prior models, may still require additional batteries for extended shooting sessions. The electronic viewfinder, although high resolution, may experience minor lag under extreme shooting conditions. Lastly, the camera lacks a built-in flash, requiring external accessories for flash photography.

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