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Monday, November 3, 2008

Next-Generation D-SLRs

New models deliver technology advances for photographers of every level

This Article Features Photo Zoom

next generation d-slrs
SONY DSLR-A900

About a year ago Sony announced the development of a new 24-megapixel, full-frame CMOS image sensor, and we all waited eagerly for the first camera to incorporate it. That camera turned out to be Sony’s first pro D-SLR, the 24.6-megapixel DSLR-A900, with 16% more pixels than the next-highest-resolution, 35mm-format D-SLR.

High-Res, 3-Inch LCD Monitor
The 3-inch Xtra Fine LCD monitor features 921,000 dots, four times the resolution of previous Sony D-SLRs. There’s no Live-View mode, but an Intelligent Preview function lets you check the effects of exposure value, shutter speed, aperture, white balance and Dynamic Range Optimizer before you take the shot.

Wide Lens Range
The A900 can use Sony and Minolta Maxxum lenses, as well as a series of Carl Zeiss T* lenses designed for the camera. When a DT-series lens (designed for the smaller APS-C sensors used in other Sony D-SLRs) is attached, the A900 automatically crops the recorded image to APS-C format.

24.6-Megapixel, Full-Frame Sensor
The A900’s full-frame, 24.6-megapixel Sony Exmor CMOS sensor delivers more resolution than any 35mm-form-factor D-SLR: 6048x4032-pixel images. On-chip 12-bit A/D conversion helps reduce noise and speed data transfer.

Twin Bionz Image Processors
Not one, but two Sony Bionz image-processing engines provide the A900 user with quick shooting (5 fps) of those huge image files and apply advanced noise-reduction for improved image quality, especially at higher ISOs.

next generation d-slrsSteadyShot INSIDE Image Stabilization
The A900’s SteadyShot INSIDE image-stabilization system counters handheld camera shake by shifting the image sensor and thus works with every lens—quite a trick with a big, full-frame sensor.

New AF System
A new AF system uses nine wide-area sensors and 10 assist points for better tracking of moving subjects. The central dual cross sensor provides greater precision with lenses of ƒ/2.8 and faster.

Specifications

Image Sensor: 24.6-megapixel (effective) CMOS
Resolution: 6048 x 4032 pixels
Sensor Size: 35.9x24mm (FF), 1x
AF System: 9-point with 10 assist points
Shutter Speeds: 1⁄8000 to 30 sec.
ISO Settings: 200-3200 (1/3 increments), expandable to 100-6400
Continuous Firing Mode: 5 fps
Recording Format: JPEG, RAW, cRAW
Metering: 40-segment honeycomb, CW, spot
Storage Media: CompactFlash, MemoryStick
Dimensions: 6.2x4.6x3.2 inches
Weight: 30.0 ounces
Power Source: Rechargeable NP-FM500H lithium-ion battery
Estimated Street Price: $2,999


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