Others; Specifications - Sony Alpha DSLR-A850 Instruction Manual

Specifications

Camera
[System]
Camera Type
Digital Single Lens Reflex
Camera and
interchangeable lenses
Lens All of
DT lens*)
* Using a DT lens is not guaranteed
because the corners of the field are
darkened and the camera does not
meet the primary AE performance
standard. [APS-C size capt.] is
automatically selected.
[Image sensor]
Total pixel number of camera
Approx. 25 720 000 pixels
Effective pixel number of camera
Approx. 24 610 000 pixels
Image format
35 mm (35.9×24.0) CMOS
sensor
[SteadyShot]
System Sensor-Shift mechanism
SteadyShot Compensation capability
Approximately 2.5 to 4 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
154
Lens (except for
[Viewfinder]
Type Fixed eye-level system
with pentaprism
Focusing Screen
Spherical Acute Matte
(exchangeable, option)
Frame coverage
Approx. 0.98
Magnification
0.74 × with 50 mm lens at
infinity, –1 m
Eye point Approximately 20 mm
from the eyepiece
Diopter Adjustment
–3.0 to +1.0 m
[Auto Focus System]
System TTL phase-detection
system, CCD line sensors
(with center dual cross-hair
sensor, F2.8 sensor)
Ranging point
9 points and 10
supplementary ranging
points
Sensitivity Range
0 to 18 EV (at ISO 100
equivalent)
AF illuminator
Approx. 1 to 7 m (3.3 to
23 feet)
[Exposure]
Metering Cell
40-segment honeycomb-
pattern SPC
Metering Range
0 to 20 EV (2 to 20 EV
with Spot metering), (at
ISO 100 with F1.4 lens)
ISO sensitivity (Recommended
exposure index)
AUTO, 100 to 6400
–1
–1