Comparisons / Comparison of Sony Alpha DSLR-A850 and Sony Alpha DSLR-A900

Comparison of Sony Alpha DSLR-A850 and Sony Alpha DSLR-A900 [S]ave

Attribute
Sony Alpha DSLR-A850 ×
Sony Alpha DSLR-A900 ×
General
ModelSony Alpha DSLR-A850Sony Alpha DSLR-A900
BrandSonySony
Manufacturer urlhttps://www.sony.com/https://www.sony.com/
Model numberA850A900
Camera formatPro SLRPro SLR
Release year (year)20092008
Tripod mount++
Length (mm)156156
Width (mm)8282
Height (mm)117117
Weight (g)850939
Waterproof--
Image Sensor
Sensor typeCMOSCMOS
Sensor manufacturerSonySony
Effective megapixels (MP)24.624.6
Sensor format35mm35mm
Sensor area (mm²)861.6861.6
Sensor width (mm)35.935.9
Sensor height (mm)2424
Approximate pixel pitch (micron)5.945.94
Focal Length Multiplier (x)11
Aspect ratio3:2, 16:93:2, 16:9
Color filter typeRGBGRGBG
Anti aliasing filterFixedFixed
Self-cleaning++
Sensor shift image stabilization++
On-sensor phase detect--
Dxo sensor score7979
Dxo color depth score (bit)23.823.7
Dxo dynamic range score (evs)12.212.3
Dxo maximum effective iso score (iso)1,4151,431
Image Capture
Image resolution
  • 1984 x 1320(2.6 mp 3:2)
  • 2896 x 1928(5.6 mp 3:2)
  • 3024 x 1704(5.2 mp other)
  • 3024 x 2016(6.1 mp 3:2)
  • 3984 x 2656(10.6 mp 3:2)
  • 4400 x 2472(10.9 mp 16:9)
  • 4400 x 2936(12.9 mp 3:2)
  • 6048 x 3408(20.6 mp other)
  • 6048 x 4032(24.4 mp 3:2)
  • 1984 x 1320(2.6 mp 3:2)
  • 2896 x 1928(5.6 mp 3:2)
  • 3024 x 1704(5.2 mp other)
  • 3024 x 2016(6.1 mp 3:2)
  • 3984 x 2656(10.6 mp 3:2)
  • 4400 x 2472(10.9 mp 16:9)
  • 4400 x 2936(12.9 mp 3:2)
  • 6048 x 3408(20.6 mp other)
  • 6048 x 4032(24.4 mp 3:2)
Image file format
  • (arw 2.0)
  • craw
  • jpeg (exif 2.21)
  • raw
  • raw+jpeg
  • (arw 2.0)
  • craw
  • jpeg (exif 2.21)
  • raw
  • raw+jpeg
Continuous-mode (fps)35
Video Capture
Can take movies--
Composite video out++
Ntsc/pal switchable video++
Video usable as viewfinder--
Hd video out++
Hd video connectionHDMIHDMI
Lens and Optics
Lens mountSony Alpha (Minolta A)Sony Alpha (Minolta A)
Integrated nd filter--
Optical image stabilization--
Digital zoom--
Auto Focus
Auto focus++
Auto focus type9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8.9-point TTL phase detection with 10 assist points, center dual-cross at f/2.8.
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderOptical / LCD(playback only)Optical / LCD(playback only)
Viewfinder typeSLR type; eye-level pentaprism with 98% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopterSLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopter
Focus peaking--
Viewfinder magnification (35mm equivalent) (x)0.740.74
Viewfinder magnification (nominal/claimed) (x)0.740.74
Display
Eye-level viewfinder++
Rear display++
Rear display size (inch)33
Rear display resolution (dots)921,600921,600
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)1919
Top deck display++
Exposure
Maximum iso (native)3,2003,200
Minimum iso (native)200200
Iso settingsAuto, 200-3200, Extensions to 100 and 6400Auto, 200-3200, Extensions to 100 and 6400
Auto iso mode++
White balance settings
  • 500k to 9
  • 900k
  • auto
  • cloudy
  • color temperature from 2
  • custom (3)
  • daylight
  • flash
  • fluorescent
  • shade
  • tungsten
  • 500k to 9
  • 900k
  • auto
  • cloudy
  • color temperature from 2
  • custom (3)
  • daylight
  • flash
  • fluorescent
  • shade
  • tungsten
Shutter speed range (s)1/8000 - 301/8000 - 30
Bulb mode++
Exposure compensation+/- 3.0EV in 0.3EV steps+/- 3.0EV in 0.3EV steps
Explosure metering modes40-segment Honeycomb Pattern, Center-weighted, Spot40-segment Honeycomb Pattern, Center-weighted, Spot
Program auto exposure++
Aperture priority++
Shutter priority++
Full manual exposure++
Self timer (s)
  • 2
  • 10
  • 2
  • 10
High resolution composite--
Flash
Built-in flash--
Max flash sync (s)1/2501/250
Flash exposure compensation+/- 3.0 EV in 0.3EV steps+/- 3.0 EV in 0.3EV steps
External flash connectionHot shoe, PC-syncHot shoe, PC-sync
Image Storage
Usable memory types
  • cf1
  • cf2
  • microdriv
  • ms duo
  • ms pro duo
  • cf1
  • cf2
  • microdriv
  • ms duo
  • ms pro duo
Dual card slots++
Raw capture support++
Uncompressed format
  • (arw 2.0)
  • craw
  • raw
  • raw+jpeg
  • (arw 2.0)
  • craw
  • raw
  • raw+jpeg
Connectivity
Built-in wi-fi--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 2.0 high speed
Pictbridge compliant++
Dpof compliant++
Remote control++
Remote control type
  • optional wired or wireless
  • wired or wireless
Connections (extended)
  • dc input
  • hdmi type-c minijack
  • multi-connector
  • remote terminal
  • sync termimal
  • dc input
  • hdmi type-c minijack
  • multi-connector
  • remote terminal
  • sync termimal
Performance Timing
Max cycle time for jpeg shooting (s/frame)0.40.4
Max cycle time for raw shooting (s/frame)0.50.41
Buffer size for raw shooting in single shot mode (frames)2315
Camera penalizes early shutter press+-
Jpeg shooting speed in burst mode (max resolution) (fps)35
Buffer size for jpeg shooting in burst mode (max resolution) (frames)2311
Shutter lag (full af, wide/mid) (s)0.180.18
Shutter lag (manual focus) (s)0.150.15
Shutter lag (prefocused) (s)0.070.07
Startup time (s)0.50.5
Play -> record time (s)0.30.3
Power
Battery life, still (cipa rating ovf/evf) (shots)880880
Battery form factorProprietaryProprietary
Usable battery types
  • np-fm500h lithium-ion rechargeable
  • np-fm500h lithium-ion rechargeable
Batteries included1 x Proprietary NP-FM500H Lithium-ion rechargeable1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Software
Included software
  • image data converter sr
  • image data lightbox sr
  • picture motion browser (windows only).
  • remote camera control (all windows & macintosh)
  • image data converter sr
  • image data lightbox sr
  • picture motion browser (windows only).
  • remote camera control (all windows & macintosh)
Os compatibility
  • windows 2000pro/xp/vista; mac os x (v 10.1.3+)
  • windows 2000pro/xp/vista; mac os x (v 10.1.3+)
Miscellaneous
Notes and featuresCost reduced Sony A900. Smaller viewfinder (98% vs 100%), slower burst mode (3 fps vs 5), wireless remote not included.24.6MP Full-frame CMOS sensor, In-body SteadyShot Image Stabilization, Intelligent Preview, Enhanced DRO, Magnesium-alloy Body



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