α900 Specifications Sheet Type Digital SLR camera for use with interchangeable lenses Lens mount Sony α mount Lens compatibility Sony α lenses, Minolta and Konica Minolta AF lenses *1 Image sensor Image sensor 35mm-film format (35.9 ｘ 24.0mm), Exmor CMOS sensor Effective pixels Approx. 2460 megapixels Total pixels Approx. 2570 megapixels Aspect ratio 3:2 Anti-dust function Charge protection coating on low-pass filter, image-sensor shift mechanism ISO sensitivity (Recommended Exposure Index) ISO200-3200 in 1/3 EV steps （ISO100 - 6400 can be set as expanded ISO range.） ISO Auto Range: ISO200-1600, ISO200-1600, ISO400-1600, ISO400800, ISO200-800, ISO200-400 selectable Image format JPEG (DCF2.0 and Exif 2.21 compliant, DPOF supported), RAW (Sony ARW 2.1 format), RAW & JPEG [Aspect Ratio 3:2] L size: 6048x4032 (24M), M size: 4400x2936 (13M), S size: 3024x2016 (6.1M) Image Size [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) Recording Image quality modes RAW, cRAW (compressed), RAW & JPEG (Fine), cRAW (compressed) & JPEG (Fine), Extra Fine, Fine, Standard Media Memory Stick Duo, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, CompactFlash (Type I/Type II, UDMA Mode 5 compliant), Microdrive Card slot Dual slot for Memory Stick Duo/CompactFlash, Selectable with Quick Navi or from Setup Menu 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 Color space sRGB/Adobe RGB selectable from Recording Menu Creative style 13 image styles: Standard/Vivid/Neutral/Clear/Deep/Light/Portrait/Landscape/Sunset/Nig ht 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. Mode: Off/Standard/Advanced Auto/Advanced (Lv 1 to 5) D-Range optimizer DRO Advanced Bracketing: 3 frames, Hi/Lo level selectable White Balance Focus Modes Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Color Temperature (2500-9900K) with color filter (19-step magenta/green compensation), Custom (3 settings can be registered)White Balance Bracketing: 3 frames; Hi/Lo level selectable Type TTL phase detection system Sensor CCD line sensors Focus point 9 points (center dual-cross type) with 10 assist points Sensitivity range EV 0 - 18 （at ISO100) Modes Single shot AF (AF-S), Automatic AF (AF-A), Continuous AF (AF-C), Direct Manual Focus (DMF), Manual Focus (MF) 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) Type: TTL metering Metering Cell: 40-segment honeycomb-pattern SPC Metering Range: EV 0 - 20 （EV 2 - 20 in spot metering mode) (at ISO100 with F1.4 lens) Mode: Multi segment, Center-weighted, Spot Mode: Auto, Program Auto (P, with program shift), Aperture priority (A), Shutter priority (S), Manual (M) Exposure Exposure Compensation: +/- 3 EV, 0.3 / 0.5 EV steps selectable Exposure control 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. Type Fixed eye-level, pentaprism Field coverage Approx. 100% Magnification Approx. 0.74x (with 50mm lens at infinity, -1m ) Diopter adjustment -3.0 to +1.0m Eyepoint Approx. 20mm from the eyepiece (at -1m ) 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) -1 -1 -1 Viewfinder Focusing screen AF area, Spot AF area, Spot metering area, Shooting area for aspect ratio 16:9, APS-C size area Other displays Flash compensation, Flash charging, Wireless flash, High-speed sync, Manual focus, Focus signal, Shutter speed, Aperture, EV scale, AE lock, Shot-remaining counter, Camera shake warning, SteadyShot scale, Aspect ratio 16:9 Viewfinder display LCD Monitor Display Eyepiece shutter Built-in Type 3.0-inch type* Xtra Fine LCD *Viewable area, measured diagonally Total number of dots 921,600 dots Coverage 100% Brightness adjustment Adjustable in +/- 5 steps Preview Function Intelligent Preview/Optical Preview selectable from menu Display Panel Shutter speed, Aperture, Exposure compensation, White balance, ISO sensitivity, Drive mode, Battery remaining, Remaining number of recordable images, with illumination Shutter SteadyShot INSIDE (Image Stabilization) Flash Control Drive Type Electronically-controlled, vertical-traverse, focal-plane type Speed range 1/8000 to 30 sec., Bulb Flash sync. speed 1/250 sec. w/o SteadyShot INSIDE, 1/200 sec. w/ SteadyShot INSIDE Type Image-sensor shift mechanism Indication SteadyShot scale and camera-shake warning in the viewfinder Compensation effect Equivalent to approx. 2.5 to 4 steps in shutter speeds (varies according to shooting conditions and lens used) External flash α system flash units (optional) Control ADI , pre-flash TTL Flash compensation 3 / 5 frames, +/- 3EV, 0.3 / 0.5 EV steps selectable Modes Autoflash, Fill-flash, Rear sync, Wireless*, Slow sync, High-speed Sync, *HVL-F58AM, HVL-F56AM, HVL-F42AM, HVL-F36AM supported; full multi-flash functionality requires at least one HVL-F58AM Flash bracketing 3 / 5 frames, 0.3 / 0.5 / 0.7 / 2.0*EV step selectable *2.0EV bracketing limited to 3 frames. Sync terminal Built-in, adaptable to the sync. terminal of the opposite polarity Modes Single, Continuous (Hi/Lo selectable), Self-timer (10 sec. /2 sec. delay selectable), Mirror lockup, Remote commander Continuous shooting speed Hi: approx 5 frames per sec. (max.), Lo: approx. 3 frames per sec. (max.) Number of frames recordable Standard: 285, Fine: 105, Extra Fine: 11, RAW: 12, cRAW: 12, RAW & JPEG: 10, cRAW & JPEG: 10 Single (with or without shooting information, with 4 previous/following images, RGB histogram, & height light /shadow warning), 4/9/25-frame index view, enlarged display mode (max. zoom ratio: L size: 19x, M size: 14x, S size: 9.4x) Playback Interface Type USB2.0 Hi-speed Mass Storage / Multi LUN / PTP / PC Remote Control Supported OS Windows: Windows 2000 Professional/Windows XP/Windows Vista Macintosh: Mac OS X (v10.1.3 or later） PC interface Video output NTSC/PAL selectable HDMI output HDMI mini connector, 1080i/720p/SD selectable (optional HDMI cable necessary ) Remote control Wired Remote Commander RM-S1AM/RM-L1AM (optional) Wireless Control Print Function Power With supplied Remote Commander Other PhotoTV HD supported Compatible standards Exif Print, Print Image Matching III, PictBridge Power source One Rechargeable Battery Pack NP-FM500H One CR2025 for Wireless Remote Commander Battery performance Approx. 880 shots (measured using CIPA standard) External power source (AC adapter) AC Adapter/Charger AC-VQ900AM (optional) Weight Approx. 850g (1 lb 14 oz) (w/o battery, memory card, accessories) Dimensions Approx. 156.3 (W) x 116.9 (H) x 81.9 (D) mm (excl. protorusions) 6 1/8 x 4 5/8 x 3 1/4 inches Operating Temperature 0 to 40 degrees C (32-104 degrees F) *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.