Wednesday, March 4, 2015

The Sony Alpha 57 (model name SLT-A57) is a Digital single-lens reflex camera that replaces 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 Exmorâ„¢ CMOS sensor (4912 x 3264)
  • Updated BIONZâ„¢ Image Processor
  • ISO 100 - 16,000 (25,600 with multi-image combination)
  • Auto ISO with customizable lower and upper limits
  • Pull-out three-hinge tilt/swivel 921K dot TruBlackâ„¢ LCD screen
  • Stereo microphone and external mic socket
  • Dust shake sensor cleaning
  • 2nd generation Translucent Mirror Technologyâ„¢
  • 12fps burst mode at full 8-megapixel resolution.
  • Tru-Finderâ„¢ XGA Electronic Viewfinder with 1440K dots resolution with full 100% frame coverage.
  • AVCHD video recording at 1920 x 1080 (50p (1080p) @ 28 Mbit/s, 50i (1080i) @ 24 Mbit/s, 50i (1080i) @ 17 Mbit/s, 25p (1080p) @ 24 Mbit/s, 25p (1080p) @ 17 Mbit/s, 25p (1080p)) @ 12 Mbit/s)
  • MPEG-4 video recording at 1440 x 1080 (Approx.25fps @ 12Mbit/s (Average bit-rate)
  • Live View with full-time Phase Detection AF
  • 15-point autofocus sensors.
  • SteadyShotâ„¢ Image stabilization system in body
  • 3D Sweep Panoramaâ„¢
  • Full tilt/swivel LCD screen
  • Multi-frame Noise Reduction
  • Object tracking AF

Like it's successor, the Sony Alpha 58, the Alpha 57 offers no 60i/60p/24p video modes.


External links

  • Sony Store listing of camera

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