Sony A900 Review
Review Date: January 26th 2009
Author: Zoltan Arva-Toth
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Specifications
Lens Mount
Sony ? mount |
YES |
Compatibility with A-Mount bayonet lenses from Minolta and Konica Minolta |
YES |
Lens Compatibility
All types of Sony ? lenses |
YES (DT lens compatibility is not guaranteed) |
Minolta & Konica Minolta ?/MAXXUM/DYNAX lenses |
YES (DT lens compatibility is not guaranteed) |
Image Sensory
Image sensor type |
Exmor CMOS sensor |
Image sensor colour filter |
R, G, B, Primary color |
Size (mm) |
35.9 x 24 |
Camera
Total sensor Pixels (megapixels) |
Approx. 25.7 |
Effective Pixels (megapixels) |
Approx. 24.6 |
A/D Conversion (Bit depth) |
12 |
Automatic White Balance |
YES |
White balance: preset selection |
Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash |
White balance: custom setting |
YES |
White balance: types of color temperature |
2500 - 9900 k with 19-step Magenta / Green compensation |
White balance bracketing |
3 frames, Selectable 2 steps |
ISO Sensitivity Setting |
ISO200 - 3200 equivalent, ISO numbers up from ISO100 to ISO6400 can be set as expanded ISO range |
SteadyShot INSIDE
System: CCD-shift mechanism |
YES |
SteadyShot INSIDE scale (in viewfinder) |
YES |
Camera-Shake warning (in viewfinder) |
YES |
SteadyShot INSIDE capability |
Approx. 2.5 EV - 4 EV decrease in shutter speed (varies according to shooting conditions and lens used) |
SteadyShot INSIDE compatibility |
All Sony Alpha lenses and A-Mount bayonet lenses from Minolta and Konica Minolta |
*SteadyShot INSIDE was previously known as Super SteadyShot |
Anti-Dust
Double anti dust system (anti-static coating and sensor shift mechanism) |
YES |
Auto Focus System
TTL phase-detection system |
YES |
Sensor |
9 points with centre dual-cross sensor + 10 assist focus points |
Sensitivity Range (at ISO 100 equivalent); EV |
0 - 18 |
Eye Start AF System (on off selectable) |
NO |
AF Area: Wide focus area |
YES (auto with 9 areas) |
AF Area: Spot |
YES (center dual-cross sensor) |
AF Area: Local focus area selection |
YES (9 local areas) |
AF Modes |
Continuous, Single Shot, Automatic, Manual Focus, Direct Manual Focus |
Predictive Focus Control |
YES (with moving subjects in AF-A and AF-C) |
Focus Lock |
YES |
AF Illuminator |
YES (with built-in LED) |
AF Illuminator range (meters) |
Approx. 1 - 7 |
Auto Exposure System
Light metering type |
TTL |
Light metering cell |
40-segment honeycomb-pattern SPC |
Light metering: Multi segment |
YES |
Light metering: Spot |
YES |
Light metering: Center weighted |
YES |
Exposure: Automatic |
YES |
Exposure: Program Auto |
YES (with Program Shift) |
Exposure: Shutter priority |
YES |
Exposure: Aperture priority |
YES |
Exposure: Manual |
YES |
Exposure: Scene selection |
NO |
AE Lock |
YES |
Exposure compensation |
YES (+/-3.0 EV, 0.3 EV, 0.5 EV steps selectable) |
AE Bracketing |
0.3 EV / 0.5 EV / 0.7 EV / 2.0 EV increments, 3/5 frames selectable (2.0 EV only 3 frames) |
Shutter
Type |
Electronically-controlled, vertical-traverse, focal-plane type |
Shutter Speed Range (seconds) |
1/8000 - 30 and bulb |
Flash Sync Speed (With Steady Shoot Off); second |
1/250 |
Flash Sync Speed (With Steady Shoot On); second |
1/200 |
Flash
Built-in-Flash Guide Number (in meters at ISO 100) |
NO |
Flash Metering System |
ADI / Pre-flash TTL flash metering |
Flash Compensation |
+/-3.0 EV (0.3 EV, 0.5 EV steps selectable) |
Built-in-Flash Recycling Time (approx. time in seconds) |
NO |
Flash Mode |
Autoflash, Fill-flash, Rear flash sync. High Speed sync. with optional compatible accessory flash |
Wireless flash mode |
YES (only with optional accessory HVL-F58AM) |
Slow Synchronization |
YES |
Red-Eye Reduction |
NO |
Flash Popup |
NO |
Automatic Flash |
YES (with AUTO mode) |
Viewfinder
Type |
Fixed eye-level system with optical glass type pentaprism |
Field of View (%) |
Approx. 100 |
Magnification (with 50mm lens at infinity) |
0.74x |
Eye Relief |
Approx. 20mm from the eyepiece lens |
Diopter Adjustment |
-3.0 to +1.0 diopter |
Live View
Type |
NO |
Other |
NO |
LCD screen
Screen Size (inches) |
3 |
Monitor Type |
Xtra Fine LCD |
LCD Total Dot Number |
921.600 |
LCD on/off |
YES |
Brightness adjustable |
YES |
Tilting screen |
NO |
Recording
Drive Mode |
Single, Continuous, 10sec. / 2sec. Self-timer, Single AE bracketing, Continuous AE bracketing, White Balance Bracketing, DRO Advanced Bracketing, Mirror lock up, Remote commander |
Continuous-Advance Rate (approx. frames per second at maximum) |
Hi: Max. 5 fps, Lo: Max. 3 fps |
Number of Continuous Advance |
JPEG (L size, Fine): 105 images, RAW: 12 images, RAW+JPEG: 10 images |
Recording Media |
Compact Flash Type I / II / MicroDrive slot. Memory Stick� Duo / MS Pro Duo and MS-PRO HG Duo |
Recording Format |
JPEG, RAW, RAW+JPEG, 16:9 selectable |
RAW (pixels) |
6048 x 4032 |
Image Size L - JPEG (pixels) |
6048 x 4032 (24M) |
Image Size M (pixels) |
4400 x 2936 (13M) |
Image Size S (pixels) |
3024 x 2016 (6.1M) |
Still Image quality |
RAW, cRAW, RAW+JPEG, cRAW+JPEG, Extra fine(JPEG), Fine(JPEG), Standard(JPEG) |
Noise Reduction (Long exp.NR) |
On/Off, available at shutter speeds longer than 1 second |
Noise Reduction (High ISO NR) |
High/Normal/Low/Off, available at the ISO set to 1600 or above |
Delete Function |
Single, multiple, or all frames in a folder |
Color Space (sRGB) |
YES |
Color Space (Adobe RGB) |
YES |
Color mode/DEC/Creative styles |
Standard, Vivid, Neutral, Clear, Deep, Light, Portrait, Landscape, Sunset, Night view, Autumn leaves, B/W, Sepia |
Dynamic Range Optimizer |
Off, Standard / Advanced: Auto / Advanced: Level |
Date/Time Print |
With PictBridge� |
Playback/Edit
Information Display |
YES |
White/Black Out Alert |
YES |
Index Playback |
YES (25, 9, 4 or 5 last frames filmstrip) |
Enlarge (Maximum magnification) |
L size: 19x, M size: 14x, S size: 9.4x |
Image Rotation |
YES |
Auto Image Rotation |
YES |
General
Battery Remaining Indicator |
YES |
InfoLITHIUM Battery Indicator |
YES (in %) |
Histogram Indicator |
YES |
Exif |
2.21 |
Exif Print |
YES |
PictBridge |
YES |
Menu Language |
English / French / German / Spanish / Italian / Portuguese / Dutch / Russian / Swedish / Danish / Norwegian / Finnish / Polish / Czech / Hungarian |
Zone Matching |
YES |
Depth-of-Field Preview |
YES (selectable intelligent preview or optical preview by pressing Depth-of-field preview button) |
PRINT Image Matching III |
YES |
Remote Release Terminal |
YES |
IR Remote Control |
YES (with RMT-DSLR1) |
DPOF(Digital Print Order Format) |
YES |
Indicator of remaining memory space (CF) |
YES |
Beep Sound |
On/Off selectable |
File Number Memory |
On/Off selectable |
Folder Name Mode |
Standard and Date |
Operating Temperature (degrees C) |
0 - 40 |
Jacks
Video Out |
YES (PAL or NTSC) |
HD/HDMI� Out |
YES, HDMI� mini connector 1920x1080i 59.94/50Hz , 1280x720p 59.94/50Hz, 720x480p 59.94Hz, 720x576p 50Hz |
USB 2.0 Hi-Speed |
YES |
USB Mode |
Mass Storage (PC connection) / PTP (PictBridge�) / Remort PC |
Power/Others
Battery System |
NP-FM500H |
Supplied Battery |
NP-FM500H |
Stamina (battery life in CIPA condition) |
Approx. 880 images |
Weight (g) |
Approx. 850 |
Dimensions
Width (mm) |
156.3 |
Height (mm) |
116.9 |
Depth (mm) |
81.9 |
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