Sony Alpha DSLR-A900 SLR Digital Camera (Body Only)

Used Cat #2335260 • MFR #DSLR-A900
Sony
Key Features
  • 24.6 Megapixel
  • Full-Frame (24x36mm) CMOS Sensor
  • Dust & Weather-Resistant
  • In-Camera Image Stabilization
Sony's Alpha DSLR-A900 SLR Digital Camera (Body Only), their first "full frame" model, has alerted the industry and consumers in the DSLR world that they're in the digital SLR camera business for the long haul.

The DSLR-A900 starts with a 24 x 35.9mm size CMOS sensor developed especially for this camera.  Though that imaging canvas is utterly packed with pixels, the pixels themselves dominate the landscape of the image receiving area, instead of the elements of image sensors which are necessary but not actually collecting the image.  Indeed, the A900's pixels are larger than the fine consumer-grade Alpha 700, despite having twice as many pixels.

On the physical side of things, the Alpha's designed for professional use:  all operations are weather-sealed, its high-performance shutter's tested to 100,000 cycles, and its viewfinder (the forgotten critical SLR element in the age of squinty APS-C size viewfinder dominance) is as good as they come.  Despite these claims, together with batteries and a memory card it tips the scales at ~2 lbs (900g), a good competitive number especially considering the enjoyable view.

Beyond physical elements, the DSLR-A900's got plenty of brains. To speed up throughput for pro sports and action use, Sony's employed dual "Bionz" image processors. Its two analog-to-digital engines swallow large chunks of information, shoving up to ~5 frames per second into a fast memory card-quite bold capacity considering those big RAW files.

With its image quality, handling ease, robust construction, and brilliant viewfinder, the DSLR-A900 should prove a serious tool for professionals and advanced consumers. The benefits of 'full frame' are plentiful; better dynamic range, more natural skin rendition, a cushy viewing experience and superior capacity to blur backgrounds. Super wide angle zooms start at focal lengths more befitting professional instruments, and are awash upon the secondhand market.

Used
Condition: 8+ Moderate wear
Shows moderate wear, scuffing or marks to finish
In Stock
$725.00
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Sony DSLR-A900 Overview

  • 1Description
  • 235mm-Style "Full Frame" 24.6MP Exmor CMOS Sensor
  • 3World-Class Viewfinder
  • 4Professional Construction
  • 5Full Frame "SteadyShot INSIDE" Stabilization
  • 6Dual Image Processing Engines
  • 7Speedy, Intelligent AF
  • 8Great 3" LCD Monitor
  • 9Intelligent Preview Function
  • 10HDMI Output
  • 11Fantastic Lens Family

Sony's Alpha DSLR-A900 SLR Digital Camera (Body Only), their first "full frame" model, has alerted the industry and consumers in the DSLR world that they're in the digital SLR camera business for the long haul.

The DSLR-A900 starts with a 24 x 35.9mm size CMOS sensor developed especially for this camera.  Though that imaging canvas is utterly packed with pixels, the pixels themselves dominate the landscape of the image receiving area, instead of the elements of image sensors which are necessary but not actually collecting the image.  Indeed, the A900's pixels are larger than the fine consumer-grade Alpha 700, despite having twice as many pixels.

On the physical side of things, the Alpha's designed for professional use:  all operations are weather-sealed, its high-performance shutter's tested to 100,000 cycles, and its viewfinder (the forgotten critical SLR element in the age of squinty APS-C size viewfinder dominance) is as good as they come.  Despite these claims, together with batteries and a memory card it tips the scales at ~2 lbs (900g), a good competitive number especially considering the enjoyable view.

Beyond physical elements, the DSLR-A900's got plenty of brains. To speed up throughput for pro sports and action use, Sony's employed dual "Bionz" image processors. Its two analog-to-digital engines swallow large chunks of information, shoving up to ~5 frames per second into a fast memory card-quite bold capacity considering those big RAW files.

With its image quality, handling ease, robust construction, and brilliant viewfinder, the DSLR-A900 should prove a serious tool for professionals and advanced consumers. The benefits of 'full frame' are plentiful; better dynamic range, more natural skin rendition, a cushy viewing experience and superior capacity to blur backgrounds. Super wide angle zooms start at focal lengths more befitting professional instruments, and are awash upon the secondhand market.

35mm-Style "Full Frame" 24.6MP Exmor CMOS Sensor

The 35.9 x 24mm 35mm-size "Exmor" CMOS image sensor is ~2.35x larger than typical APS-C size sensors, and the large capture area affords more sharpness, tonal graduation, and depth of field control. Best of all, pixels themselves dominate the square footage.

World-Class Viewfinder

Glass pentaprism optical viewfinder with 100% coverage, 0.74x magnification, and 20mm eye relief. Low magnification makes the composition canvas small, distant, and unengaging. High magnification makes a viewfinder's eye relief impossibly short for eyeglass users. Getting both right gives an ideal conduit between ideas and images. Though tough to have long eye relief and full coverage without obnoxiously large glass atop an SLR, Sony's succeeded here. Beyond the numbers, the brightness, size, and viewing comfort of this viewfinder returns to the forefront the primary element of camera/user interaction. There's also a built-in shutter blind and integrated -3 to +1 dioptric correction, and bringing it to the eye disengages the LCD screen.

Professional Construction

Weather, dust, and impact sealing befits a professional SLR, and the DSLR-A900's carbon fiber shutter is high-specification; tested for a min. 100,000 cycles, its 1/8000th second top speed and flash sync with any flash at 1/250th second (1/200th with stabilizer activated) display its manufacturing strength.

Full Frame "SteadyShot INSIDE" Stabilization

Alpha 900's in-camera stabilization redefines common belief; a steadying effect of ~4 shutter speed steps, but with a full frame. Previous in-camera stabilizing corrected movements of ~15x22mm image receiving areas within 24 x 36mm 'full frame' confines, as full frame in-camera correction was believed to result in wider, taller, and thicker housings. At 6.1 x 4.6 x 3.2" (156 x 117 x 82mm), it isn't too big a camera-a little thick, but within professional DSLR standards. The stabilizer works with every mounted lens, instead of being an expensive and occasional component within lenses. As with all stabilizers, they don't speed shutters-only more light, higher ISOs, or larger apertures can do that. Stabilizers benefit typical low light pics as well as handling monster telephoto lenses.

Dual Image Processing Engines

Side-by-side "BIONZ" processors yield fast 5-frames-per-second performance despite A900's enormous files

Speedy, Intelligent AF

Precision 19-point autofocus system with 9 supremely-sensitive horizontal/vertical points, 10 outer assist points, and customized AF microadjustment for up to 30 lenses

Great 3" LCD Monitor

3.0" 921,600-Pixel LCD monitor has stunning detail and 270 pixels-per-inch resolving power like fine photo prints

Intelligent Preview Function

Alpha 900's "Intelligent Preview" allows seeing effects of changing ISO, shutter speed, aperture, dynamic range optimizer and white balance settings before capturing an image, eliminating trial-and-error

HDMI Output

Direct HDMI output to BRAVIA and other HDTV-compatible screens and projectors, with "PhotoTV HD"-capable BRAVIA sets benefitting from automatically optimized display settings

Fantastic Lens Family

Sony's Alpha lens lineup includes Carl Zeiss specialties and "G"-series flagships with in-lens silent focusing motors

Sony DSLR-A900 Specs

Imaging
Camera TypeInterchangeable Lens SLR (Single Lens Reflex) Digital Camera
Bit Depth36-Bit
Image Quality
Exposure Control
Image Sensor24.0 x 35.9mm 25.7Mp Exmor CMOS sensor w/ RGB primary color filter & dust reduction system
Effective Resolution24.4Mp
Metering MethodSpot, Center-Weighted Average, Multi-Zone
Color Depth36-Bit RGB (14-bit A/D conversion)
White BalanceAuto, Cloudy, Daylight, Flash, Fluorescent, Kelvin, Manual
Color ModesStandard, Vivid, Neutral, Adobe RGB, Clear, Deep, Light, Portrait, Landscape, Sunset, Night view, Autumn, B/W, Sepia
Mirror Lock-UpYes
Focus
Image File FormatsRAW (compressed or uncompressed)
JPEG (3 full frame sizes, 3 16:9 sizes, 3 APS-C sizes)
RAW + JPEG
Autofocus Points19
Recorded Resolution(6048 x 4032) [RAW]
(6048 x 4032), (4400 x 2936), & (3024 x 2016) JPEG [3:2 full frame]
(6048 x 3408), (4400 x 2472), & (3024 x 1704) JPEG [16:9 crop]
(3924 x 2656), (2896 x 1928), & (1984 x 1320) JPEG [APS-C crop]
Diopter Adjustment-3 to +1
Video RecordingNo
Audio RecordingNo
Optics
Lens MountSony A-type bayonet mount (compatible with Minolta A-type bayonet mount)
Focal Length Multiplier1.0x
Battery1 x NP-FM500H Rechargeable Lithium-Ion
Optical Image StabilizationYes
Focus Control
Focus Type19-Point TTL phase detection with 9 dual-axis sensors
Focus ModesWide area, Center spot, & Individual point
Exposure Control
SensitivityAutomatic ISO (200-3200)
Manual ISO (100, 200, 400, 800, 1600, 3200, & 6400)
Shutter TypeElectronically-controlled, vertical-traverse, carbon fiber focal-plane
Shutter Speed30 Seconds to 1/8000th second & Bulb, with 1/250th maximum flash sync speed
Mirror Lock-UpYes
Exposure Metering40-Segment evaluative, Centerweighted, & Spot
Exposure ModesAuto, Program, Aperture Priority, Shutter Priority, Manual (with EV indicator), Customized (3 repeatable customizations)
White Balance ModesAuto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Kelvin temperature control (2500-9900k w/19-step Magenta/Green compensation), & Customized (3 repeatable customizations)
Scene ModesNone
Flash
Built-in FlashNo
Effective Flash RangeNot applicable
External Flash ConnectionProprietary Hot Shoe (compatible w/ Sony & Minolta flashes)
Wireless off camera flash (with specific Sony flashes)
PC Socket
External Flash ControlADI, Preflash TTL
Maximum Flash Synchronization Speed1/250th second (without stabilization)
1/200th second (with stabilization)
Performance
Start-Up TimeNot Specified by Manufacturer
Shutter LagNot Specified by Manufacturer
Time Between ShotsLess than 1 second
Burst Capability5 fps (maximum of 12 RAW images)
Self Timer10 Seconds or 2 seconds
Interval RecordingNo
Date & Time StampNo
Memory & Power
Built-in MemoryNo
Compatible Memory CardsCompactFlash (Type I & II)/Microdrive
Memory Stick Duo/Memory Stick PRO Duo media
File SizeNot Specified by Manufacturer
Battery TypeNP-FM500H Lithium-ion rechargeable battery
Power AdapterProprietary AC Adapter (optional)
Input/Output
Computer InterfaceUSB 2.0 (Hi-speed)
Direct Print CapablePictBridge
Remote ControlRMT-DSLR1 Wireless Remote Commander
Video OutputNTSC & Pal via USB port
HDTV via mini HDMI socket
System & Software RequirementsMicrosoft Windows 2000, XP, Vista
Macintosh OS X (10.3 or later)
Display
ViewfinderEye-level pentaprism with (interchangeable) Spherical Acute Matte focusing screen, viewfinder shutter, and -3 to +1 dioptric correction
Viewfinder InfoAF information (AF points, focus confirmation light), exposure information (shutter speed, aperture, manual exposure, spot metering circle, ISO speed, exposure level, exposure warning), flash information (flash ready, flash exposure level), white balance correction, JPEG recording, number of remaining shots, memory card information, Anti-shake system indicator
Depth-of-Field PreviewYes
LCD Display3.0" 921,000 LCD
Information DisplayColor LCD presents all camera info; Metering mode, Shooting mode, Aperture, AF mode, AF point, Shutter speed, ISO, Shots remaining, Drive mode, Battery level, Exposure compensation setting, Flash compensation setting
Language OptionsEnglish, French, Spanish, Italian, Chinese (Simplified), Chinese (Traditional), Japanese
Playback OptionsSingle Image, Index (4, 9, 16 selectable), Image + text, Image + text + histogram, Enlarged playback (Up to approximately 5x), Luminance limit Display, File browser, Slideshow, Instant bracket playback, Enlarged display, Automatic rotate function, Image correction (Contrast, Color saturation, Sharpness, Hue (5 levels))
Physical
Dimensions6.1 x 4.6 x 3.2" (156 x 117 x 82mm) WxHxD
Weight1.98 lbs (900g) with battery & CF card
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