DSLR-A850 - Sony Digital Camera Service Manual (repair manual). Page 2

DSLR-A850_L2

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Camera Type

Digital Single Lens Reflex 
Camera and 
interchangeable lenses

Lens

All of 

α Lens (except for 

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.

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

ISO sensitivity (Recommended 

exposure index)
AUTO, 100 to 6400

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)

System

Charge protection coating 
on Low-Pass Filter and 
image sensor-Shift 
mechanism

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

–1

Eye point

Approximately 20 mm 
from the eyepiece

Diopter Adjustment

–3.0 to +1.0 m

–1

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)

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)

Type

Electronically-controlled, 
vertical-traverse, focal-
plane type

Speed range 1/8000 second to 30 

seconds, bulb

Flash sync speed

1/250 second (SteadyShot 
deactivated),
1/200 second (SteadyShot 
activated)

CompactFlash card 
(TypeI,II), Microdrive, 
“Memory Stick Duo” 
media 

LCD panel 7.5 cm (3.0 type) TFT 

drive

Total number of dots

921 600 (640 × 3 (RGB) × 
480) dots

With backlighting

Used battery pack

Rechargeable battery pack 
NP-FM500H

PictBridge

Compatible

Exif Print

Compatible

PRINT Image Matching III

Compatible

Dimensions Approx. 156.3 × 116.9 × 

81.9 mm (6 1/4 × 4 5/8 × 
3 1/4 inches) (W/H/D, 
excluding protrusions)

Mass

Approx.850 g (1 lb 14 oz) 
(without batteries, memory 
card and body accessories)

Operating temperature

0 to 40°C (32 to 104°F)
(When using the 
Microdrive: 5 to 40°C (41 
to 104°F))

Exif

Exif Ver.2.21

USB communication

Hi-Speed USB (USB 2.0 
compliant)

Input rating 100 V – 240 V AC, 50/60 

Hz

Output rating

 8.4 V DC, 750 mA

Operating temperature range

0 to 40°C (32 to 104°F)

Storage temperature range

–20 to +60°C (–4 to 
+140°F)

Maximum dimensions

Approx. 70 × 25 × 95 mm 
(2 7/8 × 1× 3 3/4 inches) 
(W/H/D)

Mass

Approx. 90 g (3.2 oz)

Used battery

Lithium-ion battery

Maximum voltage

DC 8.4 V 

Nominal voltage

DC 7.2 V

Maximum charge current

2.0 A

Maximum charge voltage

DC 8.4 V

Capacity

Typical

11.8 Wh (1 650 mAh)

Minimum 11.5 Wh (1 600 mAh)

Maximum dimensions

Approx. 38.2 × 20.5 × 55.6 
mm (1 9/16 × 13/16 × 2 1/4 
inches) (W/H/D)

Mass

Approx. 78 g (2.8 oz)

Design and specifications are subject 
to change without notice.