Sony Alpha 900 specification

Specifications

DSLR-a900

Camera Type

Camera Type

Digital SLR camera with built-in flash and interchangeable lenses

Lens mount

Sony mount; compatible with Minolta A-type bayonet mount

Lens compatibility

Sonyα Lens*1 and Konica Minolta α/MAXXUM/DYNAX Lens*1

*1 DT lenses are not recommended for use with 35mm full-frame sensors due to their differing image circle size,
which may affect light metering accuracy in certain shooting situations.

Image Capture

Sensor

Exmor™ CMOS sensor

Image sensor size

35.9 X 24.0mm

Total pixel number

Approx. 25,700,000 pixels

Effective pixel number

Approx. 24,610,000 pixels

Anti-Dust system

Charge protection coating on low pass filter and image-sensor shift mechanism

Recording

Recording media

Memory Stick: Memory Stick Duo, Memory Stick PRO Duo,
Memory Stick PRO-HG Duo
Compact Flash Type I, Type II (Microdrive),UDMA(Mode5)  compliant

Slot

Memory Stick Duo/Compact Flash Dual slot

Image format

JPEG, RAW (ARW 2.1 format), RAW + JPEG

Image size

[Aspect Ratio 3:2] L size: 6048x4032 (24M), M size: 4400x2936 (13M), S size: 3024x2016 (6.1M)

[Aspect Ratio 16:9] L size: 6048x3408 (21M), M size: 4400x2472 (11M), S size: 3024x1704 (5.2M)

[APS-C Size Capture] L size: 3984x2656 (11M), M size: 2896x1928 (5.6M), S size: 1984x1320 (2.6M)

Colour space

sRGB, Adobe RGB

Noise reduction 

Long exposure NR: On/Off selectable, available at shutter speeds longer than 1 sec.,
High ISO NR: High/Normal/Low/Off selectable at ISO 1600 or higher

Creative Style

13 image styles: Standard/Vivid/Neutral/Clear/Deep/Light/Portrait/Landscape/Sunset/Night View/Autumn Leaves/B&W/Sepia
Adjustable parameter: Contrast/Saturation/Sharpness/Brightness/Zone Matching *
6 settings can be registered
*Saturation cannot be set for B&W and Sepia.

D-Range Optimiser

Mode: Off, Standard / Advanced: Auto / Advanced: Level
Advanced Level setting: 5 levels
DRO advanced bracketing: 3 frames, H/L selectable

White Balance

Mode    

Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash

Colour temperature

2500 - 9900 k with 19-step Magenta / Green compensation

White balance bracketing

3 frames, H/L selectable

Super SteadyShot

System

Image-sensor shift mechanism

Capability

Approx. 2.5 EV - 4 EV decrease in shutter speed
(varies according to shooting conditions and lens used)

Viewfinder

Type

Fixed eye-level system with optical glass type pentaprism

Field of view

aprox. 100%

Magnification

0.74x, with 50mm lens at infinity

Eye relief

Approx. 20mm from the eyepiece (at -1m-1)

Diopter adjustment

3.0 to +1.0 m-1

Mirror

Quick return mirror

Focusing screen

Spherical acute matte screen (G type)
User-replaceable L type (Grid type) and M type (Super spherical acute matte type) available (with both types optional)

Auto Focus System

Type

(TTL) phase-detection system

Sensor

CCD line sensors

No. of focus points

9 points + 10 assist focus points

Sensitivity range

0 EV to +18 EV (at ISO 100 equivalent)

Focus mode

Single-shot AF, Automatic AF, Continuous AF, Direct Manual Focus, Manual

Focus area

Wide, Spot, Local (9 local focus areas, selectable with multi selector)

Features

AF Micro Adjustment (+/- 20-step increments for up to 30 different lenses), Predictive control, Focus lock, AF illuminator (LED, Range: approx. 1-7m, Auto/Off selectable)

AF illuminator

Type: built -in, LED
Range: approx. 1 m - 7 m

AE System

Light metering

Type: TTL metering
Cell: 40-segment honeycomb-pattern SPC
Range: 0 EV to 20 EV (+2 EV to +20 EV with Spot metering)
(at ISO 100 equivalent with F1.4 lens)
Mode: Multi segment, Spot, Centre weighted

Exposure setting

Mode: Auto, Program Auto (P, with program shift), Aperture priority (A), Shutter priority (S), Manual (M)

Exposure compensation

+/-3.0 EV, 0.3 EV / 0.5 EV steps selectable

AE bracketing

Exposure Bracketing: 3/5 frames selectable, Single or Continuous selectable, 0.3/0.5/0.7/2.0*EV steps selectable
*2.0 EV bracketing limited to 3 frames.

ISO sensitivity (REI)

AUTO: ISO 200 - 1600 (lower limit / upper limit selectable)

ISO range

ISO100 - 3200 equivalent (Up to ISO 6400 as expanded ISO range.)

ISO steps

1/3 EV step

Flash

Built-in flash system

NONE

Flash metering system

ADI flash / Pre-flash TTL / Manual flash

External flash

Wireless control with HVL-F58AM

ADI flash / Pre-flash TTL metering

Shutter

Type

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

Speed range

1/8000 sec. - 30 sec., bulb

Flash sync speed

1/250 sec. (Super SteadyShot off), 1/200 sec. (Super SteadyShot on)

Drive

Drive mode

Single, Continuous (Hi/Lo selectable), Self-timer (10 sec. /2 sec. delay selectable), Mirror lockup, Remote commander

Continuous advance rate

Hi: approx. 5 fps max., Lo: approx. 3 fps

No. of frames recordable w/continuous advance

Standard: 285, Fine: 105, Extra Fine: 11, RAW: 12, cRAW: 12, RAW & JPEG: 10, cRAW & JPEG: 10

Camera Function

Depth-of-field preview

Yes (by pressing Depth-of-field preview button)

Auto review

10 sec. / 5 sec. / 2 sec. / Off selectable

LCD Monitor

LCD screen size

7.5 cm (3.0-inch) TFT

Total number of dots

921,600 (640 x 3 (RGB) x 480) dots

Field of view

100%

LCD brightness setting

+/-5 steps

Print

Print function

Exif Print, Print Image Matching III, PictBridge, DPOF setting

Interface

HDMI Out

HDMI type C minijack
1920 x1080i 59.94/50 Hz, 1280 x 720p 59.94/50Hz,
720 x 480p 59.94 Hz, 720 x 576p 50 Hz

USB Out

USB2.0 Hi-speed Mass Storage / Multi LUN / PTP / PC Remote Control

Sync. terminal

Adaptable to sync. terminal of opposite polarity

Video Out

NTSC / PAL selectable (in Menu)

Remote Control

Wired

With optional RM-S1AM or RM-L1AM

Wireless

With supplied RMT-DSLR1

PC control

Image data transfer and camera control with supplied software

Power

Power source

Battery: InfoLitium NP-FM500H,7.2V

Battery life

Approx. 880 shots (CIPA measurement)

Others

Dimensions

(WxHxD) Approx. 156x117x82mm (excl. protrusions)

Weight

Approx. 850 g (w/o batteries, memory card, body accessories)