Sony Alpha DSLR-A900 vs Sony Alpha DSLR-A850

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      Overview

      In this comparison, we will evaluate the Sony Alpha DSLR-A900 and the Sony Alpha DSLR-A850, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

      Sony Alpha DSLR-A900 was introduced in October 2008 and Sony Alpha DSLR-A850 was introduced in April 2010. Let us first list highlights of the models.

      Sony Alpha DSLR-A900 Highlights

      • 24.6 MP Full Frame CMOS Sensor
      • 100 - 6,400 Native ISO
      • 9 Focus Points
      • Image Stabilization
      • 3.0" 922k dot Fixed Screen
      • Optical (pentaprism) Viewfinder
      • 5.0 fps Continuous Shooting
      • Wheather Sealed Body

      Sony Alpha DSLR-A850 Highlights

      • 24.6 MP Full Frame CMOS Sensor
      • 200 - 3,200 Native ISO
      • 9 Focus Points
      • Image Stabilization
      • 3.0" 922k dot Fixed Screen
      • Optical (pentaprism) Viewfinder
      • 3.0 fps Continuous Shooting
      • Wheather Sealed Body

      Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

      Pros and Cons

      In this section we present pros and cons of Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850.

      PROS

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      •   Large Sensor
      •   Image Stabilization
      •   High Max Shutter Speed (Mechanical or 1st Curtain) - 1/8000 sec
      •   HDMI Output
      •   Environmental Sealing
      •   2 Storage Slots
      •   Orientation Sensor
      •   Large Sensor
      •   Image Stabilization
      •   High Max Shutter Speed (Mechanical or 1st Curtain) - 1/8000 sec
      •   HDMI Output
      •   Environmental Sealing
      •   2 Storage Slots
      •   Orientation Sensor

      CONS

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      •   No Video Capture
      •   Timelapse Recording
      •   9 Focus Points
      •   No Face Detection
      •   Fixed Screen
      •   No Live View
      •   No Built-in Microphone
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth
      •   No Video Capture
      •   200 Lowest Native ISO
      •   3,200 Highest Native ISO
      •   Timelapse Recording
      •   9 Focus Points
      •   No Face Detection
      •   Fixed Screen
      •   No Live View
      •   Low Max Continuous Shooting - 3.0 fps
      •   No Built-in Microphone
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth


      And here are some specifications which fall into average criteria and are neither in PROs nor in CONs category:

      AVERAGE

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      •   Sensor Resolution - 24.6 Megapixel
      •   100 Lowest Native ISO
      •   6,400 Highest Native ISO
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot
      •   Max Continuous Shooting - 5.0 fps
      •   Max Flash Sync Speed - 1/250 sec
      •   DxO Overall Score - 79
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots
      •   Sensor Resolution - 24.6 Megapixel
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot
      •   Max Flash Sync Speed - 1/250 sec
      •   DxO Overall Score - 79
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots

      Advantage of Sony Alpha DSLR-A900

      This section shows those features and specifications which are the reason to choose Sony Alpha DSLR-A900 over Sony Alpha DSLR-A850.

      Sony Alpha DSLR-A900 vs Sony Alpha DSLR-A850
      Lower Native ISO 100 vs 200
      Higher Native ISO 6,400 vs 3,200
      Center Autofocus vs
      Higher Viewfinder Coverage 100% vs 98%
      Higher Max Continuous Shooting 5.0 fps vs 3.0 fps
      Higher DxO Low Light ISO 1431 vs 1415
      Higher DxO Dynamic Range 12.3 vs 12.2

      Check out other cameras which are frequently compared to Sony Alpha DSLR-A900.

      Advantage of Sony Alpha DSLR-A850

      This section shows those features and specifications which are the reason to choose Sony Alpha DSLR-A850 over Sony Alpha DSLR-A900.

      Sony Alpha DSLR-A900 vs Sony Alpha DSLR-A850
      Higher DxO Color Depth 23.7 vs 23.8

      Check out other cameras which are frequently compared to Sony Alpha DSLR-A850.

      Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
        Large SensorFull FrameFull Frame
        Image StabilizationSensor ShiftSensor Shift
        High Max Shutter Speed (Mechanical or 1st Curtain)1/8000 sec1/8000 sec
        HDMI Output Mini Type C Mini Type C
        Environmental Sealing
        Many Storage Slots22
        Orientation Sensor
      WEAKNESSES Sony Alpha DSLR-A900 Sony Alpha DSLR-A850
        No Video Capture
        Timelapse Recording
        Few Focus Points99
        No Face Detection
        Screen TypeFixedFixed
        No Live View
        No Built-in Microphone
        No Microphone Input
        No Headphone Output
        No Built-in GPS
        No Built-In Wi-Fi
        No Built-In Bluetooth

      Screen and Viewfinder

      Screen

      Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850 have 3.0" Fixed screens with 922k dot resolution.


      Viewfinder

      Cameras have built-in Optical (pentaprism) viewfinders. Sony Alpha DSLR-A900 has 100% coverage with 0.74x magnification and Sony Alpha DSLR-A850 has 98% coverage with 0.74x magnification.

      Sensor

      Sony Alpha DSLR-A900 features a 24.6 megapixel Full Frame CMOS sensor with dimensions of 35.9 x 24 mm and a total area of 861.6 mm2. Its native ISO range is 100 - 6,400. Sony Alpha DSLR-A850 features a 24.6 megapixel Full Frame CMOS sensor with dimensions of 35.9 x 24 mm and a total area of 576 mm2. Its native ISO range is 200 - 3,200 and expands to 200 - 6,400 in boosted mode.


      Here is a sensor size comparison chart where you can see how different sensors compare with each other:

      Sensor size chart
      Sensor Dimensions Area Aspect Ratio Crop Factor
      Image cannot be displayedMedium Format44 x 33 mm1452 mm24:30.79x
      Image cannot be displayedFull Frame36 x 24 mm864 mm23:21x
      Image cannot be displayedAPS-H27 x 18 mm486 mm23:21.3x
      Image cannot be displayedAPS-C23.6 x 15.6 mm368.2 mm23:21.5x
      Image cannot be displayedAPS-C (Canon)22.3 x 14.9 mm332.3 mm23:21.6x
      Image cannot be displayedMicro Four Thirds17.4 x 13 mm226.2 mm24:32x
      Image cannot be displayed1-inch13.2 x 8.8 mm116.2 mm23:22.7x
      Image cannot be displayed1/1.7-inch7.44 x 5.58 mm41.5 mm24:34.7x
      Image cannot be displayed1/2.3-inch6.17 x 4.55 mm28.1 mm24:35.6x

      Photography Features

      Cameras are equipped with BIONZ processor and can take pictures up to 6048 x 4032 resolution. They can also take pictures with lower resolutions like 4400 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 with 3:2, 16:9 aspect ratios.


      Lens Mount

      Cameras have Sony A lens mount. Due to their Full Frame sensor their crop factor (also called lens multiplier) is equal to 1x. This means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length.


      In-Body Image Stabilization

      The cameras have a built-in Sensor Shift in-body image stabilization (IBIS). This means that you are still getting vibration reduction when cameras are paired with non-image stabilizied lenses. It also works with lenses with optical image stabilization and in combination can achieve even better compensation.

      Connectivity, Battery and Storage

      USB Inputs and HDMI Outputs

      Both models have USB 2.0 (480 Mbit/sec) inputs for data transfer. Sony Alpha DSLR-A900 has a Mini Type C HDMI and Sony Alpha DSLR-A850 has a Mini Type C HDMI connector for video signal output.


      Battery

      Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850 come with NP-FM500H battery pack with battery life of 880 shots.


      External Storage Slots

      Sony Alpha DSLR-A900 has two card slots - one for Compact Flash (Type I or II), Memory Stick Duo / Pro Duo and one for . Sony Alpha DSLR-A850 has two card slots - one for Slot1 : Compact Flash (Type I or II, UDMA) and one for Memory Stick Duo/Pro Duo/Pro-HG Duo.

      Other Features

      Shutter

      Sony Alpha DSLR-A900 has Electronically controlled Vertical-traverse Carbon Fiber Focal-plane shutter. Shutter speed can go up to 1/8000 sec on Sony Alpha DSLR-A900, and up to 1/8000 sec on Sony Alpha DSLR-A850. Sony Alpha DSLR-A900 can shoot continuously up to 5.0 fps. Sony Alpha DSLR-A850 can shoot continuously up to 3.0 fps.


      Flash

      Cameras have no built-in flash but an external flash may be connected to both of them via Proprietary Hot Shoe (compatible w/ Sony & Minolta flashes) to Sony Alpha DSLR-A900 and via Yes to Sony Alpha DSLR-A850. The fastest flash synchronization speed is 1/250 sec on both cameras.

      Physical Parameters

      Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850 bodies have the same dimensions of 156 x 117 x 82 mm (6.14 x 4.61 x 3.23") and they both weigh 895 g (1.97 lb / 31.57 oz).

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      156 mm

      117 mm

      Image cannot be displayed

      156 mm

      117 mm

      Image cannot be displayed


      117 mm

      Image cannot be displayed

      117 mm

      Image cannot be displayed


      82 mm

      Image cannot be displayed

      82 mm

      Image cannot be displayed

      Size comparisons of Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850

      Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850 for Different Types of Photography

      We give scores to the cameras for six types of photography based on their features and specifications. Let us see how suitable they are for each type of photography.

      Landscape Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      82
      •   Large Sensor
      •   Screen Resolution - 922k dot
      •   No Live View
      •   No Built-in GPS
      •   Environmental Sealing
      GOOD
      82
      •   Large Sensor
      •   Screen Resolution - 922k dot
      •   No Live View
      •   No Built-in GPS
      •   Environmental Sealing

      Sports Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      AVERAGE
      68
      •   6,400 Highest Native ISO
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Max Continuous Shooting - 5.0 fps
      •   Battery Life - 880 shots
      •   2 Storage Slots
      •   Orientation Sensor
      AVERAGE
      67
      •   3,200 Highest Native ISO
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Low Max Continuous Shooting - 3.0 fps
      •   Battery Life - 880 shots
      •   2 Storage Slots
      •   Orientation Sensor

      Wildlife Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      AVERAGE
      69
      •   6,400 Highest Native ISO
      •   9 Focus Points
      •   Image Stabilization
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Max Continuous Shooting - 5.0 fps
      •   Environmental Sealing
      •   Battery Life - 880 shots
      •   2 Storage Slots
      •   Orientation Sensor
      AVERAGE
      68
      •   3,200 Highest Native ISO
      •   9 Focus Points
      •   Image Stabilization
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Low Max Continuous Shooting - 3.0 fps
      •   Environmental Sealing
      •   Battery Life - 880 shots
      •   2 Storage Slots
      •   Orientation Sensor

      Portrait Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      78
      •   Large Sensor
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Max Flash Sync Speed - 1/250 sec
      •   Orientation Sensor
      GOOD
      78
      •   Large Sensor
      •   9 Focus Points
      •   No Face Detection
      •   Image Stabilization
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot
      •   No Live View
      •   Max Flash Sync Speed - 1/250 sec
      •   Orientation Sensor

      Street Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      81
      •   Large Sensor
      •   9 Focus Points
      •   Image Stabilization
      •   Fixed Screen
      •   Screen Resolution - 922k dot
      •   No Live View
      •   No Built-in GPS
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      GOOD
      81
      •   Large Sensor
      •   9 Focus Points
      •   Image Stabilization
      •   Fixed Screen
      •   Screen Resolution - 922k dot
      •   No Live View
      •   No Built-in GPS
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)

      Travel Photography

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      80
      •   Image Stabilization
      •   Fixed Screen
      •   Screen Resolution - 922k dot
      •   No Built-in GPS
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots
      GOOD
      80
      •   Image Stabilization
      •   Fixed Screen
      •   Screen Resolution - 922k dot
      •   No Built-in GPS
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots

      Evaluations

      We evaluate Sony Alpha DSLR-A900 and Sony Alpha DSLR-A850 and give them scores of 65 and 64 out of 100 recpectively. We also give separate scores for 7 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new camera is added to the database.


      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      OVERALL
      65
      OVERALL
      64

      Sensor

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      74
      •   Large Sensor
      •   Sensor Resolution - 24.6 Megapixel
      •   100 Lowest Native ISO
      •   6,400 Highest Native ISO
      •   DxO Overall Score - 79
      GOOD
      71
      •   Large Sensor
      •   Sensor Resolution - 24.6 Megapixel
      •   200 Lowest Native ISO
      •   3,200 Highest Native ISO
      •   DxO Overall Score - 79

      Photo

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      76
      •   Timelapse Recording
      •   Image Stabilization
      •   High Max Shutter Speed (Mechanical or 1st Curtain) - 1/8000 sec
      •   Max Continuous Shooting - 5.0 fps
      •   Max Flash Sync Speed - 1/250 sec
      GOOD
      74
      •   Timelapse Recording
      •   Image Stabilization
      •   High Max Shutter Speed (Mechanical or 1st Curtain) - 1/8000 sec
      •   Low Max Continuous Shooting - 3.0 fps
      •   Max Flash Sync Speed - 1/250 sec

      Video

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      BAD
      0
      •   Image Stabilization
      BAD
      0
      •   Image Stabilization

      Focusing

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      71
      •   9 Focus Points
      •   No Face Detection
      AVERAGE
      69
      •   9 Focus Points
      •   No Face Detection

      Screen and Viewfinder

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      73
      •   Fixed Screen
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot
      GOOD
      73
      •   Fixed Screen
      •   Screen Size - 3.0"
      •   Screen Resolution - 922k dot

      Connectivity

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      AVERAGE
      57
      •   HDMI Output
      •   No Built-in Microphone
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth
      AVERAGE
      57
      •   HDMI Output
      •   No Built-in Microphone
      •   No Microphone Input
      •   No Headphone Output
      •   No Built-in GPS
      •   No Built-In Wi-Fi
      •   No Built-In Bluetooth

      Battery, Storage and Physical

      Sony Alpha DSLR-A900

      Sony Alpha DSLR-A850

      GOOD
      74
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots
      •   2 Storage Slots
      GOOD
      74
      •   Environmental Sealing
      •   Weight - 895 g (1.97 lb / 31.57 oz)
      •   Battery Life - 880 shots
      •   2 Storage Slots


      For a full specification list please go to the specifications page:

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