Sony A57
| Brand | Sony 2011 |
| Model | SLTA57K |
| Released Year | 2011 |
| Type | DSLR Cameras |
| Series | A57 |
| Color | Black |
| Compatible Mountings | Sony/Minolta Alpha DT, Sony/Minolta Alpha |
| Autofocus | Yes |
| Photo Sensor Resolution | 16.1 MP |
| Video Resolution | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Optical Zoom | 3 |
| File Format | RAW, RAW + JPEG, JPEG Fine, JPEG Standard |
| Status | Discontinued |
Overview
The Sony A57 is a mid-range DSLR camera introduced in 2011, featuring a 16.1-megapixel APS-C sized Exmor CMOS sensor optimized for high-resolution imaging. It incorporates Sony's Translucent Mirror Technology (SLT) that allows continuous autofocus during video recording and live view. The camera supports continuous shooting at 12 frames per second with autofocus tracking, aided by the BIONZ image processor. Equipped with a 15-point phase-detection autofocus system, it offers improved focusing accuracy and speed. The ISO sensitivity ranges from 100 to 16000, making it capable in various lighting conditions. Additionally, the A57 features a 3-inch Tiltable LCD and Full HD video recording capabilities at multiple frame rates.
Specifications
| Built-In Media | Tripod, Instruction Manual |
| Are Batteries Included | Yes |
| Remote Included | No |
| Series Number | 57 |
| Global Trade Identification Number | 00027242847545 |
| UPC | 027242847545 |
| Item Height | 3.86 inches |
| Manufacturer | Sony |
| Metering Methods | Multi, Center-weighted, Spot |
| Exposure Control |
|
| White Balance Settings | Auto |
| Screen Size | 3 Inches |
| Display Type | LCD |
| Dots Per Screen | 921,000 dots |
| Display Fixture Type |
|
| Display Resolution Maximum | 921000 |
| Has Color Screen | Yes |
| Flash Memory Type | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Memory Storage Capacity | 2 GB |
| Write Speed | High |
| Flash Memory Speed Class | C10 |
| Compatible Mountings | Sony/Minolta Alpha DT, Sony/Minolta Alpha |
| Sensor Type | CMOS |
| Image stabilization | Sensor-shift |
| Maximum Aperture | 3.5 f |
| Expanded ISO Minimum | 100 |
| Photo Sensor Resolution | 16.1 MP |
| Photo Sensor Size | APS-C (23.5 x 15.6 mm) |
| Maximum Shutter Speed | 1/4000 seconds |
| Minimum Shutter Speed | 30 seconds |
| Form Factor | Compact SLR |
| Special Feature | Lightweight |
| Color | Black |
| Item Weight |
|
| Video Resolution | 1920 x 1080 (60p, 24p), 1440 x 1080 (30p), 640 x 480 (30 fps) |
| Viewfinder | Electronic |
| Flash Modes | Auto, On/Fill, Off |
| Camera Flash | Built-In |
| Skill Level | Professional |
| Specific Uses For Product | Photography, Videography |
| Compatible Devices | [Partial] Sony/Minolta Alpha, Sony/Minolta Alpha DT |
| Continuous Shooting | 12 |
| Aperture modes | 3.5-5.6 |
| Viewfinder Magnification | 1.04x |
| Audio Input | Microphone |
| Flash Sync Speed | 1/160 sec |
| Video Capture Format | MPEG-4, AVCHD, AVC |
| Expanded ISO Maximum | 25600 |
| Battery Weight | 28 Grams |
| Delay between shots | 0.08 seconds |
| Audio Output Type | internal |
| Aspect Ratio | 16:9 |
| File Format | RAW, RAW + JPEG, JPEG Fine, JPEG Standard |
| Effective Still Resolution | 16.1 MP |
| JPEG Quality Level | Fine |
| Supported Image Format | RAW, JPEG Fine, JPEG Standard |
| Total Still Resolution | 16.1 MP |
| Maximum Focal Length | 55 Millimeters |
| Optical Zoom | 3 |
| Lens Type | Zoom, Prime |
| Zoom | Digital Zoom |
| Camera Lens | 18-55mm Zoom Lens |
| Minimum Focal Length | 2.5 Millimeters |
| Digital Zoom | 2 |
| Photo Filter Thread Size | 55 Millimeters |
| Photo Filter Size | 55 Millimeters |
| Connectivity Technology | USB, HDMI |
| Wireless Technology | EyeFi |
| Video Output | HDMI |
| Total USB 2.0 Ports | 1 |
| Total USB Ports | 1 |
| Total Video Out Ports | 2 |
| Shooting Modes | Program, Aperture Priority, Shutter Priority |
| Digital Scene Transition | zoom |
| Digital-Still | Yes |
| Movie Mode | Yes |
| Image Capture Type | Stills & Video |
| Auto Focus Technology | Phase Detection, Selective single-point, Face Detection, Tracking, Multi-area, Single, Continuous, Live View |
| Focus Features | TTL 15-point Phase Detection |
| Autofocus Points | 15 |
| Focus Type | Manual Focus |
| Focus Mode | Manual Focus (MF) |
| Autofocus | Yes |
Images
FAQ
What type of sensor does the Sony A57 use?
The Sony A57 uses a 16.1-megapixel APS-C sized Exmor CMOS sensor.
What is the continuous shooting speed of the Sony A57?
It supports continuous shooting at up to 12 frames per second with autofocus tracking.
Does the Sony A57 have video recording capabilities?
Yes, the camera can record Full HD video at various frame rates including 60p and 24p.
Is the Sony A57 still in production?
No, the Sony A57 has been discontinued.
What type of autofocus system is used in the Sony A57?
It features a 15-point phase-detection autofocus system.
Does the Sony A57 have a tiltable screen?
Yes, it has a 3-inch tiltable LCD screen for flexible viewing angles.
Which lenses are compatible with the Sony A57?
The Sony A57 is compatible with Sony A-mount lenses.
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