Comparisons / Comparison of Nikon D90 and Sony Alpha DSLR-A900

Comparison of Nikon D90 and Sony Alpha DSLR-A900 [S]ave

Attribute
Sony Alpha DSLR-A900 ×
Nikon D90 ×
General
ModelSony Alpha DSLR-A900Nikon D90
BrandSonyNikon
Manufacturer urlhttps://www.sony.com/-
Model numberA900D90
Camera formatPro SLRSLR
Release year (year)20082008
Tripod mount++
Length (mm)156132
Width (mm)8277
Height (mm)117103
Weight (g)9391,133
Waterproof--
Predecessor-Nikon D80
Successor-Nikon D700
Image Sensor
Sensor typeCMOSCMOS
Sensor manufacturerSony-
Effective megapixels (MP)24.612.3
Sensor format35mmAPS-C
Sensor area (mm²)861.6372.88
Sensor width (mm)35.923.6
Sensor height (mm)2415.8
Approximate pixel pitch (micron)5.945.5
Focal Length Multiplier (x)11.5
Aspect ratio3:2, 16:93:2
Color filter typeRGBGRGBG
Anti aliasing filterFixedFixed
Self-cleaning++
Sensor shift image stabilization+-
On-sensor phase detect--
Dxo sensor score7973
Dxo color depth score (bit)23.722.7
Dxo dynamic range score (evs)12.312.5
Dxo maximum effective iso score (iso)1,431977
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)
  • 2144 x 1424(3.1 mp other)
  • 3216 x 2136(6.9 mp other)
  • 4288 x 2848(12.2 mp other)
Image file format
  • (arw 2.0)
  • craw
  • jpeg (exif 2.21)
  • raw
  • raw+jpeg
  • 12-bit
  • jpeg (exif 2.21)
  • nef (raw)
  • raw+jpeg
Continuous-mode (fps)54.5
Video Capture
Can take movies-+
Movie resolution-
  • 1280x720
  • 320x216
  • 640x424
Image Storage
Movie file format-AVI (Motion JPEG)
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)Nikon F
Lens-Nikkor AF-S 18-105mm f/3.5 -5.6G ED VR
Focal length (35mm equivalent) (mm)-27.00 - 158.00
Focal length (actual) (mm)-18.00 - 105.00
Zoom ratio (x)-5.8
Aperture range (f)-0.18 - 0.29
Integrated nd filter--
Min focus range (cm)-45
Filter thread (mm)-67
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/2.8.11 point TTL phase detection with 3D focus tracking by Nikon Multi-CAM 1000
Auto focus assist light++
Manual focus++
Viewfinder
ViewfinderOptical / LCD(playback only)Optical / LCD
Viewfinder typeSLR type; eye-level pentaprism with 100% coverage, 0.74x mag., 20mm eyepoint, -3 to +1 diopterSLR type; fixed eye-level pentaprism, 96% coverage, 0.94x mag., 19.5mm eyepoint, -2 to +1 diopter
Focus peaking--
Viewfinder magnification (35mm equivalent) (x)0.740.63
Viewfinder magnification (nominal/claimed) (x)0.740.94
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)1927
Top deck display++
Exposure
Maximum iso (native)3,2003,200
Minimum iso (native)200200
Iso settingsAuto, 200-3200, Extensions to 100 and 6400Auto, ISO 200-3200, Lo-1=100, Hi-1=6400
Auto iso mode++
White balance settings
  • 500k to 9
  • 900k
  • auto
  • cloudy
  • color temperature from 2
  • custom (3)
  • daylight
  • flash
  • fluorescent
  • shade
  • tungsten
  • 7 manual modes with fine tuning
  • auto
  • color temperature
Shutter speed range (s)1/8000 - 301/4000 - 30
Bulb mode++
Exposure compensation+/- 3.0EV in 0.3EV steps+/- 5.0EV in 0.3EV steps
Explosure metering modes40-segment Honeycomb Pattern, Center-weighted, Spot3D Color Matrix Metering II (420-pixel RGB), Center-weighted, Spot
Program auto exposure++
Aperture priority++
Shutter priority++
Full manual exposure++
Creative exposure modes-Portrait, Landscape, Close-up, Sports, Night Portrait
Self timer (s)
  • 2
  • 10
  • 2
  • 20
High resolution composite--
Flash
Built-in flash-+
Flash modes-
  • and rear-curtain sync
  • front-curtain sync
  • red-eye reduction
  • red-eye reduction with slow sync
  • slow sync
  • supports advanced wireless lighting system
Flash guide number (iso 100) (m)-12
Flash range description-Lens dependent
Max flash sync (s)1/2501/200
Flash exposure compensation+/- 3.0 EV in 0.3EV steps-3 to +1 EV in 0.3EV steps
External flash connectionHot shoe, PC-syncHot Shoe
Built-in wireless flash control--
Usable memory types
  • cf1
  • cf2
  • microdriv
  • ms duo
  • ms pro duo
  • sd
  • sdh
Uhs support-No UHS support
Dual card slots+-
Raw capture support++
Uncompressed format
  • (arw 2.0)
  • craw
  • raw
  • raw+jpeg
  • 12-bit
  • nef (raw)
  • raw+jpeg
Connectivity
Built-in wi-fi--
NFC--
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
  • wired or wireless
  • optional wired or wireless
Connections (extended)
  • dc input
  • hdmi type-c minijack
  • multi-connector
  • remote terminal
  • sync termimal
  • 10-pin accessory port
  • dc in
  • hdmi out
Performance Timing
Max cycle time for jpeg shooting (s/frame)0.40.36
Max cycle time for raw shooting (s/frame)0.410.35
Buffer size for raw shooting in single shot mode (frames)1513
Max cycle time for raw plus jpeg shooting (s/frame)-0.32
Camera penalizes early shutter press--
Jpeg shooting speed in burst mode (max resolution) (fps)54.5
Buffer size for jpeg shooting in burst mode (max resolution) (frames)11-
Raw shooting speed in burst mode (fps)-4.1
Buffer size for raw shooting in burst mode (frames)-10
Raw plus jpeg shooting speed in burst mode (fps)-4.2
Buffer size for raw plus jpeg shooting in burst mode (frames)-7
Shutter lag (full af, wide/mid) (s)0.180.21
Shutter lag (full af, live view - dslr) (s)-2.29
Shutter lag (prefocused, live view - dslr) (s)-0.52
Shutter lag (manual focus) (s)0.150.07
Shutter lag (full af, with flash) (s)-0.25
Shutter lag (prefocused) (s)0.070.07
Shutter lag (notes)-Live View:Full autofocus: 2.294sPrefocused: 0.519s
Startup time (s)0.50.3
Play -> record time (s)0.30.3
Flash cycle time, full power (s)-2.2
Power
Battery life, still (cipa rating ovf/evf) (shots)880850
Battery form factorProprietaryProprietary EN-EL3e, optional MB-D80 battery pack
Usable battery types
  • np-fm500h lithium-ion rechargeable
  • lithium ion rechargeable
Batteries included1 x Proprietary NP-FM500H Lithium-ion rechargeable1 x Proprietary EN-EL3e Lithium Ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Dedicated battery charger included-+
Internal charging supported--
Software
Included software
  • image data converter sr
  • image data lightbox sr
  • picture motion browser (windows only).
  • remote camera control (all windows & macintosh)
  • pictureproject cd-rom
Os compatibility
  • windows 2000pro/xp/vista; mac os x (v 10.1.3+)
  • mac os
  • windows
Miscellaneous
Notes and features24.6MP Full-frame CMOS sensor, In-body SteadyShot Image Stabilization, Intelligent Preview, Enhanced DRO, Magnesium-alloy BodyLive View with Face Detection, Dust Reduction, HDMI Output, Scene Recognition System, Active D-Lighting, Picture Control



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