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Sony A55 User Manual

Sony A55
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AVCHD format
The AVCHD format is a high
definition digital video camera format
used to record a high definition (HD)
signal of either the 1080i
specification*
1
or the 720p
specification*
2
using efficient data
compression coding technology. The
MPEG-4 AVC/H.264 format is
adopted to compress video data, and
the Dolby Digital or Linear PCM
system is used to compress audio
data.
The MPEG-4 AVC/H.264 format is
capable of compressing images at
higher efficiency than that of the
conventional image compressing
format. The MPEG-4 AVC/H.264
format enables a high definition video
signal shot on a digital video camera
recorder to be recorded on 8 cm DVD
discs, hard disk drive, flash memory,
memory card, etc.
Recording and playback on
your camera
Based on the AVCHD format, your
camera records with the high
definition image quality (HD)
mentioned below.
Video signal*
3
:
1080 60i-compatible device
MPEG-4 AVC/H.264 1920 ×
1080/60i
1080 50i-compatible device
MPEG-4 AVC/H.264 1920 ×
1080/50i
Audio signal: Dolby Digital 2ch
Recording media: Memory card
*1 1080i specification
A high definition specification which
utilizes 1,080 effective scanning lines
and the interlace system.
*2 720p specification
A high definition specification which
utilizes 720 effective scanning lines
and the progressive system.
*3 Data recorded in AVCHD format
other than the above mentioned
cannot be played on your camera.

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Sony A55 Specifications

General IconGeneral
Effective Pixels16.2 MP
Viewfinder TypeElectronic
LCD Screen Resolution921, 600 dots
Lens MountSony A-mount
Storage MediaSD/SDHC/SDXC, Memory Stick PRO Duo/Pro-HG Duo
BatteryNP-FW50
Sensor Size23.5 x 15.6 mm
ISO Sensitivity100-12800
Shutter Speed1/4000 to 30 sec
Continuous Shooting SpeedUp to 10 fps
LCD Screen Size3.0-inch
Video Resolution1920 x 1080
Battery LifeApprox. 380 shots
Dimensions124.4 x 92 x 84.7 mm

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