
Sony A57
Brand | Sony 2011 |
Model | 0012211 |
Released Year | 2011 |
Type | Digital Cameras |
Series | Alpha |
Color | Black |
Optical Zoom | 3x |
Status | Discontinued |
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Overview
The Sony Alpha A57 is a mid-range digital SLR camera released in 2011 featuring a 16.1-megapixel APS-C sized CMOS sensor which captures high resolution images with excellent detail and good low-light performance.
It employs Sony's proprietary Translucent Mirror Technology enabling extremely fast phase-detection autofocus with continuous focusing during video recording.
The camera supports 1080p Full HD video recording at multiple frame rates, providing flexibility for cinematic and casual shooters alike.
A built-in 15-point phase-detection autofocus system ensures accurate subject tracking and sharp photos, ideal for both stills and movies.
The electronic viewfinder offers a high refresh rate, giving a clear and lag-free preview that mimics an optical viewfinder experience.
It includes various connectivity options such as HDMI output for easy playback on compatible devices and USB support for data transfer and charging.
Specifications
Digital Zoom | 2x |
Color | Black |
MPN | 0012211 |
Battery Type | Lithium-Ion |
Series | Sony Alpha |
Type | Digital SLR |
Maximum Resolution | 16.1 MP |
Model | Sony A57 |
Connectivity | USB 2.0, HDMI output |
Optical Zoom | 3x |
Features | Interchangeable Lenses, Face Detection, Image Stabilization |
Item Weight | 3.2 Lb |
Sensor Type | 16.1 MP APS-C CMOS |
Lens Mount | Sony A-mount |
Image Processor | BIONZ |
Autofocus Points | 15-point phase-detection |
Continuous Shooting Speed | Up to 12 fps |
Viewfinder | Electronic Viewfinder (EVF) |
LCD Screen | 3.0 inch fixed LCD, 921,600 dots |
Video Recording | Full HD 1080p at 60i/24p/60p |
ISO Sensitivity | ISO 100–16000 |
Image Stabilization | In-body SteadyShot INSIDE |
Storage Media | Memory Stick PRO Duo, SD/SDHC/SDXC |
Battery | NP-FW50 Lithium-ion rechargeable |
Dimensions | 129.0 x 96.4 x 78.8 mm |
Weight | Approx. 552 grams (with battery and memory card) |
Images
Key Advantages
The translucent mirror design allows for fast continuous autofocus without sacrificing image quality.
High resolution 16.1MP sensor provides excellent image sharpness and color accuracy.
Full HD video recording with versatile frame rates enhances multimedia capabilities.
Electronic viewfinder delivers a bright and clear image preview with minimal lag.
Ergonomic body design offers comfortable handling and intuitive controls.
In-camera image stabilization helps reduce blur from minor hand movements.
Limitations
The translucent mirror reduces the amount of light reaching the sensor causing slight compromise in low-light sensitivity compared to traditional DSLRs.
Continuous shooting speed is somewhat limited relative to professional-grade cameras.
Battery life is average and may require spares for extensive shooting sessions.
No built-in Wi-Fi or GPS connectivity limits direct image sharing and geotagging.
The fixed LCD screen lacks touch functionality and does not fully articulate.
Limited lens compatibility compared to higher-end Alpha models.
FAQ
What type of sensor does the Sony Alpha A57 use?
It features a 16.1-megapixel APS-C sized CMOS sensor.
Does the Sony A57 support Full HD video recording?
Yes, it supports 1080p Full HD video recording at multiple frame rates.
What autofocus system is integrated into the A57?
The camera uses a 15-point phase-detection autofocus system along with Sony’s Translucent Mirror Technology.
Is the viewfinder optical or electronic?
The Sony Alpha A57 has an electronic viewfinder with a high refresh rate.
Does the A57 have built-in Wi-Fi?
No, the Sony Alpha A57 does not include built-in Wi-Fi connectivity.
What is the battery life like on the Alpha A57?
The battery life is average and may require spare batteries for long shooting sessions.
Is the LCD screen on the A57 touchscreen?
No, the LCD screen is fixed and does not support touch input.
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