The Sony Professional A900 Key Features And Specification Review

The A900 has two seriously making style good, however. First, there’s no way to secure the routing joystick, which you use to mix up around AF-point choice. If you always use the Identify or Extensive AF, which don’t shift, it should not hassle you. Second, the Review key is also far too simple to induce unintentionally, and when set for the Brilliant Review it changes the digicam into a different method you have to leave. Everyone I passed the camera to unintentionally activated it. Just click through the slide show for more research into the A900 style.

Sony a900
Sony a900

Sony A900 Key Features

  • 24.6 MP Negatives structure full-frame CMOS indicator (highest res in class)
  • SteadyShot INSIDE complete structure picture indicator move stabilizing (world first)
  • High Speed Double Bionz processors
  • Eye-level glass Penta-prism OVF, 100% protection, 0.74x magnification
  • 9 point AF with 10 assist points, center dual-cross AF w/2.8 sensor
  • 5 fps rush, recently developed reflection box
  • Intelligent Review Function
  • 3 Customer automated customized memory ways on method dial
  • Advanced Powerful Variety Optimizer (5 step selectable)
  • 40 section honeycomb metering
  • 3.0″ 921K pixel Photo Quality (270 dpi) LCD display, 100% coverage
  • Direct HDMI output
  • ISO 200-3200 (ISO 100-6400 extended range)
  • User exchangeable concentrating displays (3 options)
  • CF Type I/II and MS spots, LI-ION battery power, STAMINA 880 shots
  • Weight 850g (without battery power, card, accs)
  • New Image Data Ripper SR software (includes vignetting control)
  • New Straight Grip
  • Supplied with wireless distant control
  • Magnesium Metal body system and rubberized closes for wetness and dust resistance
  • AF small adjustment
  • $2999.99 body system price; available late Oct 2008
Sony a900 Specifications
Sony a900 Specifications

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Sony A900 Specifications

Price (body only) • $2999.99
Body material Magnesium Alloy chassis, high grade plastic exterior
Sensor • 35.9 x 24.0 mm CMOS sensor ‘Exmor’
• RGB Color Filter Array
• Built-in fixed low-pass filter
• 25.7 million total pixels
• 24.6 million effective pixels
• On-chip Column A/D Conversion & NR
Image sizes • 6048 x 4032 (24M 3:2)
• 4400 x 2936 (13M 3:2)
• 3024 x 2016 (6.1M 3:2)
• 6048 x 3408 (21M 16:9)
• 4400 x 2472 (11M 16:9)
• 3024 x 1704 (5.2M 16:9)
• 3924 x 2656 (11M APSC)
• 2896 x 1928 (5.6M APSC)
• 1984 x 1320 (2.6M APSC)
File qualities / formats • RAW (.ARW 2.0)
• Compressed or uncompressed RAW option
• RAW + JPEG Fine
Dust reduction • Static-resistant anti-dust coating
• CCD-shift dust reduction mechanism
Lenses • Sony Alpha lenses
• Can be used with DT (1.5x crop) lenses in APS-C mode
FOV crop 1.0 x
Image Stabilization • CCD-Shift ‘ SteadyShot INSIDE’ system
• Five level LED shake indicator in viewfinder
• Claimed equivalent to 4 steps in shutter speed *
Auto Focus • TTL CCD line sensors (9-points, center dual cross types + 10 assist sensors)
• EV 0 to 18 (ISO 100) detection range
• Predictive focus control for moving subjects
AF area selection • Wide AF area
• Spot AF area (center)
• Focus area selection (any of 9)
Focus modes • Single-shot AF
• Direct Manual Focus
• Continuous AF
• Automatic AF
• Manual focus
• AF micro adjustment (+/- 20 steps for up to 30 lenses)
AF assist
illuminator
• Yes (built-in LED lamp)
• Range approx 1m – 7m
Eye-start AF No
Shooting modes • Auto
• Programmed AE (with shift)
• Aperture priority AE
• Shutter priority AE
• Manual
• MR (memory recall) / Custom
Sensitivity • Auto (200 – 3200) – upper/lower limit selectable *
• ISO 100-200-400-800-1600-3200
• Up to ISO 6400 (expanded range)
Metering modes • Multi-segment (40 segment Honeycomb pattern)
• Center-weighted
• Spot
Metering range • EV 0 to 20 (Multi-segment / Center-weighted)
• EV 2 to 20 (Spot metering)
(at ISO 100 with F1.4 lens)
AE Lock • AEL button (customizable)
• Half-press shutter release
AE Bracketing • Single or continuous bracketing
• 3 or 5 frames
• 0.3, 0.5, 0.7 or 2.0 EV steps*
*2.0 EV steps for 3 frames only
Exposure compen. • -3.0 to +3.0 EV
• 0.3 or 0.5 EV steps
Shutter Electronically-controlled, vertical-traverse, focal-plane Shutter
Shutter Speed • 30 to 1/8000 sec
• Bulb
Flash X-sync • 1/250 sec
• 1/200 sec (with SteadyShot INSIDE on)
Aperture values Depends on lens, 0.3 EV steps
DOF preview Yes, dedicated button
White balance • Auto
• Daylight
• Shade
• Cloudy
• Tungsten
• Fluorescent
• Flash
• Color temperature (2500 – 9900 K)
• Manual (Custom) – 3 memories
White balance fine tuning • Auto (none)
• Preset WB: -3 to +3
• Fluorescent WB: -2 to +4
• Color temperature WB: G9 to M9 (19 step Magenta / Green compensation)
White balance bracketing • 3 frames
• Hi or Lo steps
Dynamic range optimizer • Off
• Standard
• Advanced Auto
• Advanced
• DRO advanced bracketing (3 frames, High/Low selectable)
Color space • sRGB
• Adobe RGB
Color modes • Standard
• Vivid
• Neutral
• Clear
• Deep
• Light
• Portrait
• Landscape
• Sunset
• Night view
• Autumn Leaves
• B&W
• Sepia
• Adobe RGB
Image parameters • Contrast (-3 to +3)
• Saturation (-3 to +3)
• Sharpness (-3 to +3)
• Zone Matching (-1 to +2 steps)
• Brightness (-3 to +3 steps)
(Available in all color modes)
Noise reduction • Long exposure for exposures longer than 1 second (User controllable: On / Off)
Viewfinder • Eye-level fixed optical glass pentaprism
• Spherical Acute Matte focusing screen (interchangeable)
• Magnification approx. 0.74x
• 100% frame coverage
• Dioptric adjustment (-3 to +1.0)
• Eye-relief 20 mm from eyepiece
• Eyepiece cup removable
• Eyepiece shutter built-in
• Viewfinder info bar
LCD monitor • 3.0 ” ‘Xtra Fine’ TFT LCD
• 921,600 pixels (640 x 480 x 3 (RGB))
• 100% coverage
• Anti-reflective coating