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Sony Alpha A900 DSLR Camera
25 Megapixels
Single Lens Reflex
Stabilization: Compensates for tiny involuntary movements of the camera.
Continuous Drive
Manual Controls: Both fully-manual (M) and semi-automatic modes (T and V).
Custom White-Balance: Specifies exactly what should be white to the camera.
Action Photography: Shutter speeds of 1/1500 or more.
Night Photography: Reaches shutter-speeds longer than 4 seconds.
Hotshoe: Allows external flash units to be attached.
Spot Metering
Depth-Of-Field Preview: Improve perception of DOF before shooting.
Weatherproof - Seals protect from dust, humidity and light splashing.
Accepts Compact Flash memory.
Accepts Memory Stick Duo memory.
Discontinued: No longer produced by the manufacturer. May still be in stock or found used.Digital Camera Description
The Sony Alpha A900 is a Professional DSLR with a Full-Frame sensor and a Sony A lens mount. Its 25 Megapixels CMOS sensor offers an ISO 200-3200 sensitivity range which is expandable to ISO 100-6400. This makes it possible to shoot hand-held in relatively low-light. With 25 MP of resolution, sharp prints are possible up to 26" x 17" at 240 DPI.
A builtin 2-Axis Image Stabilization mechanism allows the Sony Alpha A900 to compensate for camera shake up to 2.5-Stops beyond hand-holding with any mounted lens.
This camera features a mechanic shutter that can expose for 1/8000 to 30s. Bulb exposures of an unspecified duration are possible with this camera. With a fastest shutter-speed of 1/8000, fast action can easily be frozen. Night photography is possible using this digital camera due to its long exposure capability. This camera model offers Full Manual Controls.
The Sony Alpha A900 features a 9-point Phase-Detect AF system. Autofocus can continuously adjust according to subject distance. Manual Focus is also available.
Dual controls-dials offer direct access to most exposure parameters which makes this digital camera suitable for advanced photographers. The weatherproof construction of this digital camera protects it against adverse weather, dust and moisture. Framing on the Sony Alpha A900 is performed via an extra large reflex optical viewfinder with 0.74X magnification and 100% coverage.
Model Specifications
| Brand | Sony | Model | Alpha A900 |
|---|---|---|---|
| Sensor | 25 Megapixels CMOS | Sensor Size | 36 x 24mm |
| Anti-Alias Filter | Yes | Sensor Aspect | 3:2 Aspect-Ratio |
| Stabilization | 2-Axis , 2.5-Stops | Dust-Reduction | Yes |
| Sensitivity | ISO 200 - 3200 *Expanded range: 100-6400 | Shutter-Speed | 1/8000 - 30s |
| Lens Mount | Sony A Mount | Crop Factor | 1X |
| Filter Diameter | N / A | Focus System | 9-point Phase-Detect, Assist-lamp *Dual-cross center-point, 10 assist points |
| Viewfinder Type | Reflex OVF | Viewfinder Size | 0.74X - 100% Coverage *5-step shake-indicator |
| Display Attachment | Fixed | Display Size | 920K Pixels 3" LCD 100% Coverage |
| Exposure Modes | P, A, T, M, B | Scene Modes | None |
| Metering | Multi-Segment, Center-Weighed, Spot | Bracketing | 5 Shots ±2/3 EV |
| Exposure Compensation | ±3 EV, 1/3, 1/2 | Flash Compensation | |
| White Balance | Auto, Presets, Custom | White Balance Tuning | 1 Axis, 19 steps |
| Continuous Drive | 5 FPS, 11 JPEG, 12 RAW | Self Timer | Yes *2s, 10s |
| Command Dials | 2 | DOF Preview | Yes |
| Protection | Weatherproof | Dust Reduction | Yes |
| Digital Level | Tripod Mount | Yes | |
| Remote Trigger | Wired, Infrared | Eye-Start Sensor | Yes |
| HDR | No | Orientation Sensor | Yes |
| Interval Timer | No | Multiple Exposure | No |
| Image Formats | JPEG RAW | Flash Ports | Hot-Shoe Sync-Port |
| Built-In Flash | No | Flash Sync | 1/250s |
| Video Capture | Sound Input | ||
| Video Format | WiFi | No | |
| Memory | Compact Flash, Memory Stick Duo | GPS | No |
| Battery | Lithium-Ion | Battery Life | 880 *CIPA Standard |
| Introduced | 2008-09-09, DiscontinuedYES | Construction | Standard |
| Size | 156 x 117 x 82mm (W x H x D) | Weight | 895g |
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Sony A900 Highlights
SLR digital cameraSensor-Size: 36 x 24mm
Actual size when viewed at 100 DPI
| 25 Megapixels DSLR | ISO 100-6400 |
| Sony A Mount 1X FLM | Shutter 1/8000-30s |
| 2-Axis Built-in Stabilization, 2.5-Stop Improvement | Full manual controls, including Manual Focus |
| 100% Coverage Extra Large Viewfinder | Custom white-balance with 1 axis fine-tuning |
| Automatic Eye-Start sensor | Spot-Metering |
| Weatherproof | Hot-Shoe & Sync-Port |
| Built-in Dust Reduction | Lithium-Ion Battery |
| 5 FPS Drive, 11 Images | Compact Flash, Memory Stick Duo |
| 3" LCD 920K Pixels |
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