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Specifications
Camera
[System]
Camera Type
Digital Single Lens Reflex
Camera with built-in flash
and interchangeable lenses
All of α Lenses
Lens
[Image sensor]
Image format
DSLR-A550
23.4×15.6 mm (APS-C
format) CMOS image
sensor
DSLR-A500
23.5×15.6 mm (APS-C
format) CMOS image
sensor
Total pixel number of image sensor
DSLR-A550
Approx. 14 600 000 pixels
DSLR-A500
Approx. 12 900 000 pixels
Effective pixel number of camera
DSLR-A550
Approx. 14 200 000 pixels
DSLR-A500
Approx. 12 300 000 pixels
[SteadyShot]
System
Image sensor-shift
mechanism
[Anti-Dust]
System
Charge protection coating
on Low-Pass Filter and
image sensor-shift
mechanism
156
[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
conversion)
AF illuminator
Approx. 1 to 5 m (3.3 to
16.4 feet)
[Manual focus check]
Image format
Image sensor for shooting
Field of View
100%
[Live View]
Type
Pentamirror tilt mechanism
Image format
Exclusive image sensor for
Live View
Metering method
1200-zone evaluative
metering
Metering range
1 to 17 EV (Multi segment,
Center weighted, Spot) (at
ISO 100 conversion with
F1.4 lens)
Field of View
90%
[Viewfinder]
Type
Fixed eye-level penta-
Dach-mirror
Field of View
95%
Magnification
0.80 × with 50 mm lens at
infinity, –1 m
–1
(diopter)
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