Sony Camera Alpha Slt A57 Instruction Manual

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Checking the number of recordable images/recording time
Others
“Memory Stick PRO Duo” (h (hour), m (minute))
Notes The recordable time of movies varies for the reason that the camera equipped with 
VBR (Variable Bit Rate) which automatically adjusts image quality depending on 
shooting scene. When you record fast-moving subject, the image is clearer but the 
recordable time is shorter because it spends much memory to record. The recordable 
time also vary depending on the shooting condition or subject...

Checking the number of recordable images/recording time
82
following values indicate the continuous time from when the camera starts recording 
until the camera stops recording.)
 The duration of time available for movie recording varies with the temperature or 
condition of the camera before you start recording. If you frequently recompose or 
shoot images after the power is turned on, the temperature inside the camera rises 
and the recording time available is shorter than the values indicated in the...

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Others
Specifications
[System]
Camera Type Interchangeable Lens Digital Camera
Lens A-mount lens
[Image sensor]
Image format 23.5 mm×15.6 mm (APS-C format) CMOS image 
sensor
Total pixel number of image sensor
Approx. 16 700 000 pixels
Effective pixel number of camera
Approx. 16 100 000 pixels
[SteadyShot]
For still images System: Image sensor-shift mechanism
Effect: Approx. 2.5 EV to 4.5 EV in shutter speed 
(depending on shooting conditions and the attached 
lens)
For movies System: Electronic...

Specifications
84
Frame coverage 100%
Magnification When [Viewfinder Magnifi.] is set to [Maximum]: 
1.04× with 50 mm lens at infinity, –1 m
–1 (diopter)
When [Viewfinder Magnifi.] is set to [Standard]: 
0.97× with 50 mm lens at infinity, –1 m
–1 (diopter)
Eye Point When [Viewfinder Magnifi.] is set to [Maximum]: 
Approximately 23.1 mm from the eyepiece, 18 mm 
from the eyepiece frame (at –1 m
–1)
When [Viewfinder Magnifi.] is set to [Standard]: 
Approximately 25.2 mm from the eyepiece, 20.1 mm 
from the...

85
Specifications
Others
Flash coverage Covering 18 mm lens (focal length that the lens 
indicates)
Flash compensation ±2.0 EV (1/3 EV step)
Flash range
[Continuous shooting]
Continuous shooting speed Tele-zoom cont. priority AE: Maximum 12 images per 
second/Cont. Priority AE: Maximum 10 images per 
second/ : Maximum 8 images per second/ : 
Maximum 3 images per second
 Our measurement conditions. The speed of 
continuous shooting may be slower, depending on 
shooting conditions (Image size, ISO setting,...

Specifications
86
[Recording format]
File format JPEG (DCF Ver. 2.0, Exif Ver. 2.3, MPF Baseline) 
compliant, RAW (Sony’s exclusive ARW2.3 format)
3D still images MPO (MPF Extended (Disparity Image)) compliant
Movie (AVCHD format) AVCHD format Ver. 2.0 compatible
Video: MPEG-4 AVC/H.264
Audio: Dolby Digital 2ch, equipped with Dolby Digital 
Stereo Creator
 Manufactured under license from Dolby 
Laboratories.
Movie (MP4 format) Video: MPEG-4 AVC/H.264
Audio: MPEG-4 AAC-LC 2ch
[Recording media]
“Memory...

87
Specifications
Others
On image data compatibility
 This camera conforms with DCF (Design rule for Camera File system) 
universal standard established by JEITA (Japan Electronics and Information 
Technology Industries Association).
 Playback of images recorded with your camera on other equipment and 
playback of images recorded or edited with other equipment on your camera 
are not guaranteed.
Design and specifications are subject to change without notice.
BC-VM10A Battery charger
Input rating 100 V -...

Specifications
88
* The values for equivalent 35mm-format focal length and angle of view are based 
on Interchangeable Lens Digital Camera equipped with an APS-C sized image 
sensor.
** Minimum focus is the shortest distance from the image sensor to the subject.
 This lens is equipped with a distance encoder. The distance encoder allows more 
accurate measurement (ADI) by using a flash for ADI.
 Depending on the lens mechanism, the focal length may change with any change of 
the shooting distance. The...

89
Specifications
Others
For example, by using a 50 mm lens, you can get the approximate equivalent of 
a 75 mm lens of a 35 mm-format camera. 

Specifications
90
Trademarks
  is a trademark of Sony 
Corporation.
 “Memory Stick,”  , “Memory 
Stick PRO,”  , 
“Memory Stick Duo,” 
, “Memory Stick 
PRO Duo,”  , 
“Memory Stick PRO-HG Duo,” 
, “Memory 
Stick Micro,” “MagicGate,” and 
 are trademarks of 
Sony Corporation.
 “InfoLITHIUM” is a trademark of 
Sony Corporation.
 “PhotoTV HD” is a trademark of 
Sony Corporation.
 “AVCHD Progressive” and 
“AVCHD Progressive” logotype 
are trademarks of Panasonic 
Corporation and Sony Corporation.
 Blu-ray Disc...