Sony Alpha DSLR-A900 vs Sony Alpha DSLR-A850

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      Specifications

      General Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      BrandSonySony
      ModelAlpha DSLR-A900Alpha DSLR-A850
      Camera TypeInterchangeable LensInterchangeable Lens
      Body TypeDSLRDSLR
      Video Capture
      Sensor Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Sensor TypeCMOSCMOS
      Sensor SizeFull FrameFull Frame
      Sensor Dimensions35.9 x 24 mm35.9 x 24 mm
      Total Pixels25.7 Megapixel25.7 Megapixel
      Effective Pixels24.6 Megapixel24.6 Megapixel
      Low Pass Filter
      Native ISO Range100 - 6,400200 - 3,200
      Boosted ISO Range200 - 6,400
      Photo Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      ProcessorBIONZBIONZ
      Max Image Resolution6048 x 40326048 x 4032
      Other Resolutions4400 x 2936, 4400 x 2936, 3024 x 2016, 6048 x 3408, 4400 x 2472, 3024 x 1704, 3924 x 2656, 2896 x 1928, 1984 x 13204400 x 2936, 4400 x 2936, 3024 x 2016, 6048 x 3408, 4400 x 2472, 3024 x 1704, 3924 x 2656, 2896 x 1928, 1984 x 1320
      Image Aspect Ratios3:2, 16:93:2, 16:9
      Image File FormatJPEG, RAW
      JPEG Quality LevelsExtra Fine, Fine, StandardExtra Fine, Fine, Standard
      Bit Depth12-Bit
      Timelapse Recording
      White BalanceAuto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Kelvin temperature control (2500-9900k w/19-step Magenta/Green compensation), & Customized (3 repeatable customizations)Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Flash, Custom
      Focus Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Autofocus ModesMulti-area
      Center
      Selective single-point
      Single
      Continuous      		Multi-area
      Selective single-point
      Single
      Continuous
      Lens ServoWide area, Center spot, & Individual point
      Number of Focus Points99
      Touch-to-Focus
      Live View Autofocus
      Animal Eye Detection
      Vehicle Tracking Mode
      Insect Tracking Mode
      Contrast Detection for Autofocus
      Phase Detection for Autofocus
      Focusing ScreenSpherical acute matte screen
      Optics Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Lens MountSony ASony A
      Crop Factor1x1x
      Image StabilizationSensor ShiftSensor Shift
      Digital Image Stabilization
      Screen Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Screen TypeFixedFixed
      Screen TechnologyTFT Xtra Fine color LCDTFT Xtra Fine color LCD
      Touch Screen
      Screen Size3.0"3.0"
      Screen Resolution922k dot922k dot
      Top LCD Screen
      Live View
      Live Composition
      Viewfinder Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      ViewfinderOptical (pentaprism)Optical (pentaprism)
      Viewfinder Coverage100%98%
      Viewfinder Magnification0.74x0.74x
      Viewfinder Magnification (35mm equivalent)0.74x0.74x
      Diopter Adjustment-3 to +1
      Shutter Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Shutter TypeElectronically controlled Vertical-traverse Carbon Fiber Focal-plane
      Min Shutter Speed30 sec30 sec
      Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
      Max Continuous Shooting5.0 fps3.0 fps
      Flash Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Built-in Flash
      Flash ModesAuto
      On
      Off
      Red-Eye
      Slow Sync
      Rear Curtain
      Fill-in
      Wireless      		Auto
      On
      Off
      Red-Eye
      Slow Sync
      Rear Curtain
      Fill-in
      Wireless
      Max Flash Sync Speed1/250 sec1/250 sec
      External Flash Connectivity
      External Flash SystemSony Alpha System Flash
      External Flash ConnectionProprietary Hot Shoe (compatible w/ Sony & Minolta flashes)
      Wireless off camera flash (with specific Sony flashes)
      PC Socket      		Yes
      Exposure Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Exposure Metering ModesMulti
      Center-weighted
      Spot      		Multi
      Center-weighted
      Spot
      Exposure ModesAuto, Program, Aperture Priority, Shutter Priority, Manual (with EV indicator), Customized (3 repeatable customizations)
      Exposure Compensation±3 EV (1/3 EV increments)±3 EV (1/3 EV, 1/2 EV increments)
      Exposure Bracketing ±2 EV (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV increments) ±2 EV (3, 5 shots at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV increments)
      DXO Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      DxO Low Light ISO14311415
      DxO Color Depth23.723.8
      DxO Dynamic Range12.312.2
      DxO Overall Score7979
      Video Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Internal Recording ModesNo
      Interval Recording
      Terminals Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      USB SpeedUSB 2.0 (480 Mbit/sec)USB 2.0 (480 Mbit/sec)
      HDMI Output Mini Type C Mini Type C
      Built-in Microphone
      Microphone Input
      Headphone Output
      Flash Sync Port
      Connectivity Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Built-in GPS
      Built-In Wi-Fi
      Built-In Bluetooth
      Remote Control Wired or Wireless (Optional) Wired or Wireless (Optional)
      Environmental Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Environmental Sealing
      Operating Temperature32 - 104°F (0 - 40°C)
      Storage Temperature32 - 104° F (0 - 40° C)
      Physical Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Dimensions156 x 117 x 82 mm (6.14 x 4.61 x 3.23")156 x 117 x 82 mm (6.14 x 4.61 x 3.23")
      Weight (inc. batteries)895 g (1.97 lb / 31.57 oz)895 g (1.97 lb / 31.57 oz)
      Power and Storage Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Battery PackNP-FM500HNP-FM500H
      Battery Life880 shots880 shots
      Internal Storage
      External StorageCompact Flash (Type I or II), Memory Stick Duo / Pro DuoSlot1 : Compact Flash (Type I or II, UDMA)
      Slot 2: Memory Stick Duo/Pro Duo/Pro-HG Duo
      Other Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
      Self Timer 2 or 10 sec 2 or 10 sec
      Orientation Sensor
      Material of ConstructionMagnesium AlloyMagnesium Alloy


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