The 24.6-megapixel Alpha A900 is Sony's first full-frame digital SLR and is aimed at professional photographers, especially studio-based pros looking for the ultimate in high resolution.

Product Overview

Overall rating:

89%

Sony Alpha a900

Overall score:89%
Features:90%
Value:90%
Performance:90%
Image Quality:90%
Design:85%

Pros:

  • Viewfinder, image quality, LCD, Intelligent Preview, remote control, effective stabilisation

Cons:

  • Handling issues, noise across sensitivity range, DT lens support

Product:

Sony Alpha a900 Review

Manufacturer:

Price as reviewed:

£1,850.00

Verdict

It should come as no surprise that the A900 is a solidly built DSLR, capable of producing highly detailed images. From a practical consideration, its resolution and the Carl Zeiss optics currently available make it a perfect match for landscape and studio photographers, as well as anyone else needing high-resolution files. With its full-frame sensor, those still holding on to their Minolta lenses will also regain their wide angles. Hats off to Sony for the grip and flash options it provides for use with the model, too. These really go above and beyond the norm, and if they are indicative of how committed Sony remains for the professional then we can?t wait to see what comes next. But just as it?s clear what applications the A900 does suit, we?d be more hesitant to recommend it for anything that requires shooting at high sensitivities. With such a populated sensor we see a slight disadvantage when it comes to controlling noise, and this, together with its resolution, narrows the market for whom the A900 would be the ideal camera. We make this point not to demean the camera?s performance, but more to highlight how better suited it is to certain applications than others.

Yet despite this, we do admire what Sony has done with the A900. It blends a capable feature set with highly detailed images, adding a further dimension to the full-frame DSLR market.

Details

PC Socket:Yes
Cable Release:Optional
AF Points:9 with 10 AF assist points
Max Flash Sync:1/250sec (without SSS)
Built-in Flash:No
DoF Prview:Yes
Colour Temp Control:2500 - 9900K
White Balance Bracket:Yes
Colour Space:Adobe RGB, sRGB
Shutter Type:Electronically controlled, vertical traverse, focal plane type
Built-in Image Stabilisation:Yes
Dust Reduction:Yes
Focusing Modes:Single shot, automatic, continuous, direct manual focus, manual
Exposure Comp:+/- 3EV in 1/3 or ½ increments
Weight:850g (exc. card, batt or accessories)
Dimensions:156.3 x 116.9 x 81.9mm
Power:NP FM-500H Li-ion battery
Connectivity:USB 2.0 Hi-speed
Live Mode:No
Field of View:Approx 100%
Memory Card:Memory stick, CF, Microdrive
Viewfinder Type:Fixed, eye-level pentaprism
Drive Mode:Single, continuous lo, continuous hi, mirror lock, self timer, remote
White Balance:Auto, six presets
ISO:200-3200 (exp 100-6400)
Exposure Modes:PASM, Auto, 3 x Custom
Metering System:40-segment honeycomb pattern, multi-segment, average, spot
Compression:Three-stage JPEG
Shutter Speeds:1/8000 - 30sec, bulb
File Format:Raw, cRaw, JPEG, Raw and JPEG
Lens Mount:Alpha
LCD:3in TFT LCD, 921,600 dots
Focal Length Mag:1x
Output Size:6048 x 4032 pixels
Sensor:Exmor full-frame CMOS type,35.9 x 24.0mm, 25.7MP total, 24.6MP effective
  1. 1. Introduction
  2. 2. Features
  3. 3. Design
  4. 4. Performance
  5. 5. Image Quality
  6. 6. Value for Money
  7. 7. Camera Layout Chart
  8. 8. Verdict
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