Sony Alpha 57
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The Sony Alpha 57 (model name SLT-A57) is a
Digital single-lens reflex camera A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex des ...
that replaced the A55 in 2012. The camera features an electronic viewfinder and a translucent mirror. The main advantage of a translucent mirror is that it needn't flip up out of the way when taking a picture in order to expose the sensor, but the camera can focus and capture images simultaneously. The camera's 15-point autofocus system can be set to single, continuous or automatic and is arranged towards the centre. The 12-fps burst mode is available only in "speed priority" mode but can reach up to 5.5 fps burst rate in combination with any other settings.


Feature list

* 16.1-megapixel Exmor™ CMOS sensor (4912 × 3264) * Updated BIONZ™ image processor * ISO 100 - 16,000 (25,600 with multi-image combination) * Auto ISO 100 - 3200 * Pull-out three-hinge tilt/swivel 921K dot TruBlack™ LCD screen * Stereo microphone and external mic socket * Dust shake sensor cleaning * second-generation Translucent Mirror Technology™ * 12 fps burst mode at full 8-megapixel resolution * Tru-Finder™ XGA electronic viewfinder with 1440K dots resolution with full 100% frame coverage. * AVCHD video recording at 1920 × 1080 (50p/60p (
1080p 1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the sc ...
) @ 28 Mbit/s, 50i/60i (
1080i In high-definition television (HDTV) and video display technology, 1080i is a video display format with 1080 lines of vertical resolution and Interlaced video, interlaced scanning method. This format was once a standard in HDTV. It was particular ...
) @ 24 Mbit/s, 50i/60i (
1080i In high-definition television (HDTV) and video display technology, 1080i is a video display format with 1080 lines of vertical resolution and Interlaced video, interlaced scanning method. This format was once a standard in HDTV. It was particular ...
) @ 17 Mbit/s, 25p/24p (
1080p 1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the sc ...
) @ 24 Mbit/s, 25p/24p (
1080p 1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the sc ...
) @ 17 Mbit/s, 25p/24p (
1080p 1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the sc ...
)) @ 12 Mbit/s) *
MPEG-4 MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related ...
video recording at 1440 × 1080 (approx. 25/30 fps @ 12 Mbit/s (average bit-rate),PAL official specifications
/ref> 640 x 480 (approx 25/30fps @ 3Mbit/s) * Live View with full-time Phase Detection AF * 15-point autofocus sensors. * SteadyShot™ image stabilization system in body * 3D Sweep Panorama™ * Full tilt/swivel LCD screen * Multi-frame noise reduction * Object tracking AF


References


External links


Sony Store listing of camera
{{DEFAULTSORT:Sony Alpha 57 57 Live-preview digital cameras Cameras introduced in 2012