General

Nikon D90 Sony Alpha DSLR-A580
Brand
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Nikon Sony
Lowest price
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$449.00 Unknown
Announced
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August 2008 August 2010

Sensor

Type
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CMOS CMOS
Crop factor
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1.5x 1.5x
Megapixels
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12.2 MP 16 MP
Light sensitivity
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3,200 ISO 12,800 ISO
Light sensitivity (boost)
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6,400 ISO 25,600 ISO
Sensor cleaning
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Yes Yes

Sensor (Advanced)

True resolution
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12.2 MP 16 MP
Native resolution
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4288 × 2848 4912 × 3264
Pixel size
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30.5 µm² 22.9 µm²

Screen

Type
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LCD LCD
Size
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3" 3"
Resolution
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930k dots 921k dots
Touch screen
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No No
Flips out
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No Yes
Live view
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Yes Yes

Lenses

Lens availability
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230 lenses 126 lenses
Lens mount
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Nikon F Sony Alpha

Form factor

Size
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132×103×77 mm 137×104×84 mm
Depth
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3" 3.3"
Weight
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703 g 599 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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No No
Built-in focus motor
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Yes No

Viewfinder

Type
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Pentaprism Pentamirror
Viewfinder size
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0.63x 0.52x
Coverage
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96% 95%

Movies

Format
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720p @ 24fps 1080p @ 30fps
Supports 24p
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Yes No
High-speed framerate
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None None
External mic jack
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No Yes
Autofocus
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None Unknown
All formats
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  1. 320 x 216 @ 24fps
  2. 640 x 424 @ 24fps
  3. 720p @ 24fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 30fps

Features

Panorama
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No Yes
HDR
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No Yes
3D
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No Yes
Image stabilization
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None
  1. Sensor shift
Supports RAW
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Yes Yes
GPS
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No No

Performance

Startup delay
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300 ms 800 ms
Shutter lag
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208 ms 295 ms
Battery life
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850 shots 1050 shots
Continuous shooting
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4.5 fps 7 fps

Focus system

Autofocus
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Phase detection Phase detection
Focus points
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11 15
Cross type focus points
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1 3

Shutter

Max
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1/4000s 1/4000s
Min
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30s 30s

Flash

Built-in flash
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Yes Yes
Popup
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Yes Yes
External connection
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Yes Yes

Storage

Storage slots
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1 2
Supported formats
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  1. SD
  2. SDHC
  1. Memory Stick PRO Duo
  2. Memory Stick PRO Duo
  3. Memory Stick PRO-HG Duo
  4. Memory Stick PRO-HG Duo
  5. SD
  6. SD
  7. SDHC
  8. SDHC
  9. SDXC
  10. SDXC

DXO Mark Scores

Image quality
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73.0 80.0
Color depth
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22.7 bits 23.8 bits
Dynamic range
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12.5 EV 13.3 EV
Low light performance
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977 ISO 1,121 ISO
Nikon D90
D90
Nikon

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Sony Alpha DSLR-A580
Alpha DSLR-A580
Sony

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