Sony Alpha 230 - Manual (Page 140)

140
Others
Specifications
Camera
[System]
Camera Type
Digital Single Lens Reflex
Camera with built-in flash
and interchangeable lenses
Lens All of
α Lenses
[Image sensor]
Total pixel number of camera
Approx. 10 800 000 pixels
Effective pixel number of camera
Approx. 10 200 000 pixels
Image format
23.6×15.8 mm (APS-C
format) Interlace scan
Primary Color
[SteadyShot]
System Image sensor-shift
mechanism
SteadyShot Compensation capability
Approximately 2.5 to 3.5
EV decrease in shutter
speed (varies according to
shooting conditions and
lens used)
[Anti-Dust]
System Charge protection coating
on Low-Pass Filter and
image sensor-shift
mechanism
[Auto Focus System]
System TTL phase-detection
system, CCD line sensors
(9 points, 8 lines with
center cross-hair sensor)
Sensitivity Range
0 to 18 EV (at ISO 100
equivalent)
AF illuminator
Approx. 1 to 5 m (3.3 to
16.4 feet)
[Viewfinder]
Type Fixed eye-level penta-
Dach-mirror
Field of View
0.95
Magnification
0.83 × with 50 mm lens at
infinity, –1 m
–1
Eye Relief Approximately 16.5 mm
from the eyepiece,
10.9 mm from the eyepiece
frame at –1 diopter
(–1 m
–1 )
Dioptor Adjustment
–2.5 to +1.0 m –1
[Exposure control]
Metering Cell
SPC
Metering method
40-segment honeycomb-
pattern
Metering Range
1 to 20 EV (3 to 20 EV
with Spot metering), (at
ISO 100 with F1.4 lens)
ISO sensitivity (Recommended
exposure index)
AUTO, ISO 100 to 3200
Exposure compensation
±2.0 EV (1/3 EV step)
[Shutter]
Type Electronically-controlled,
vertical-traverse, focal-
plane type