Sony Alpha 1 (a1 / Alpha a1 / α1) image

Sony Alpha 1 (a1 / Alpha a1 / α1)

Quick information
Brand Sony 2021
Model SON-ILCE1/B
Released Year 2021
Type Mirrorless Cameras
Series Alpha
Color Black
Compatible Mountings Sony E
Autofocus Yes
Photo Sensor Resolution 50.5 MP
Video Resolution 2160p
Optical Zoom 8 x
File Format MP4
Status Active
Quick view

Overview

The Sony Alpha 1 (model SON-ILCE1/B) is a flagship mirrorless camera that features a full-frame 50.1 megapixel Exmor RS stacked CMOS sensor, delivering exceptional resolution and speed. It incorporates the latest BIONZ XR image processing engine, enhancing performance and reducing processing latency. The camera supports an advanced autofocus system with 759 phase-detection AF points and real-time Eye AF for humans, animals, and birds. It offers blazing continuous shooting speeds up to 30 frames per second with an electronic shutter and 10 fps with mechanical shutter. The Alpha 1 also provides versatile video recording options including 8K 30p and 4K 120p, utilizing 10-bit 4:2:0 or 4:2:2 internal recording. High-speed connectivity options such as dual card slots supporting CFexpress Type A and SDXC UHS-II cards facilitate robust data handling for professional workflows.

This camera embodies the integration of cutting-edge sensor technology with high-speed processing, making it well-suited for both still photography and high-resolution video production. Its robust build quality features a magnesium alloy body sealed for dust and moisture resistance. Additionally, advanced image stabilization technology offers up to 5.5 stops of shake correction, enhancing hand-held shooting capabilities.

Specifications

Age Range Description Adult
Built-In Media Battery
Are Batteries Included Yes
External-Memory Size 64 GB
UPC 810170429200
Item Height 3.82 inches
Manufacturer Sony
Warranty Description Limited Manufacturer Warranty
Screen Size 2.95 Inches
Display Type LCD
Dots Per Screen 1235000
Display Fixture Type Articulating, Tilting
Has Color Screen Yes
Flash Memory Type SD
Memory Slots Available 2
Memory Storage Capacity 128 GB
Flash Memory Speed Class C10
Flash Memory UHS Speed Class UHS-III
Flash Memory Video Speed Class V90
Flash Memory Bus Interface Type UHS-III
Flash Memory Installed Size 64 GB
Compatible Mountings Sony E
Sensor Type CMOS
Image stabilization Sensor-shift
Expanded ISO Minimum 50
Photo Sensor Resolution 50.5 MP
Photo Sensor Size Full Frame (35mm)
Form Factor Mirrorless
Special Feature Image Stabilization
Color Black
Video Resolution 2160p
Viewfinder 9.44 million-dot OLED EVF
Flash Modes Auto, On, Off, Slow Synch, Rear Curtain Synch
Camera Flash no flash
Skill Level Professional
Specific Uses For Product Photography, Videography
Compatible Devices Sony E
Continuous Shooting 30 fps
Flash Sync Speed 1/200 or 1/400 seconds
Video Capture Format 4k
Expanded ISO Maximum 102400
Battery Weight 14 Ounces
Audio Output Type internal
Battery Cell Type Lithium Ion
Battery Type Lithium Ion
Processor Description bionz
Water Resistance Level Water Resistant
Frame Rate 24.0 frames_per_second
Item Dimensions D x W x H 3.19"D x 5.08"W x 3.82"H
Microphone Technology Stereo
Shutter Type Rolling Shutter
Aspect Ratio 1.50:1
File Format MP4
Effective Still Resolution 49.7 MP
JPEG Quality Level Fine
Supported Image Format JPEG
Total Still Resolution 50.1 MP
Maximum Focal Length 35 Millimeters
Optical Zoom 8 x
Lens Type Prime
Focal Length Description 35 millimeters
Metering Methods Center Weighted
Exposure Control Manual
White Balance Settings Auto
Connectivity Technology USB, Wi-Fi
Wireless Technology Wi-Fi
Video Output HDMI
Total USB Ports 1
Shooting Modes Portrait
Digital-Still Yes
Movie Mode Yes
Image Capture Type Stills & Video
Auto Focus Technology Contrast Detection, Phase Detection
Focus Features Hybrid
Autofocus Points 759 phase-detection AF points
Focus Type Auto Focus
Focus Mode Automatic AF (AF-A)
Autofocus Yes
Effective Megapixels 50.1 MP
Sensor Size Full-frame (35.9 x 24.0 mm) Exmor RS CMOS
Image Processor BIONZ XR
ISO Range 50-32000 (expandable to 50-102400)
Continuous Shooting Speed 30 fps (electronic shutter), 10 fps (mechanical shutter)
Video Recording 8K 30p, 4K 120p, 10-bit 4:2:0 & 4:2:2 internally
Image Stabilization 5-axis in-body image stabilization, up to 5.5 stops
Display 3.0-inch tilting touchscreen LCD, 1.44 million dots
Storage Media Dual slots: CFexpress Type A / SDXC UHS-II
Connectivity USB-C, Wi-Fi 5GHz, Bluetooth 5
Battery NP-FZ100 rechargeable battery
Dimensions 128.9 x 96.9 x 80.8 mm
Weight 737 grams (body only)
Body Material Magnesium alloy chassis with dust and moisture resistance

Key Advantages

The Sony Alpha 1 delivers unmatched resolution combined with high-speed shooting, enabling both high-detail stills and action photography. The advanced autofocus system ensures accurate, fast tracking of subjects including humans and wildlife. Its video capabilities include professional-grade 8K and 4K recording formats with various bitrate options. The dual card slots provide flexible and reliable media management supporting the latest CFexpress Type A standard. The robust weather-sealed body allows usage in challenging environments. Furthermore, the camera features comprehensive connectivity options including USB-C and Wi-Fi for seamless data transfer.

Limitations

The Alpha 1's high-resolution sensor and fast shooting generate large file sizes, requiring substantial storage and high-speed cards. Its premium features and build contribute to a relatively high price point, making it less accessible for casual photographers. The complex menu interface may have a learning curve for new users unfamiliar with Sony's system. Battery life, while improved, may still require spares for extended shoots under heavy usage. Some users may find the camera's weight slightly heavier compared to other mirrorless models. Lastly, 8K video recording can produce significant heat, which may limit continuous recording times.

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