Sony
NEX-7
 vs
Sony Alpha
NEX-3

General

 Sony NEX-7 Sony Alpha NEX-3
Brand
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 Sony Sony
Lowest price
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 $889.00 $299.99
Announced
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 August, 2011 May, 2010

Sensor
Type
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 CMOS CMOS
Size
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 APS-C 23.5x15.6mm APS-C 23.4x15.6mm
Crop factor
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 1.5x 1.5x
Megapixels
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 24 MP 14 MP
Light sensitivity
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 16,000 ISO 12,800 ISO
Light sensitivity (boost)
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 Unknown None
Sensor cleaning
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 Yes Yes

Sensor (Advanced)
True resolution
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 24 MP 14 MP
Native resolution
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 6000 x 4000 4592 x 3056
Pixel size
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 15.3 µm² 26 µm²

Screen
Type
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 LCD LCD
Size
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 3.0" 3.0"
Resolution
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 921k dots 920k dots
Touch screen
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 No No
Flips out
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 Yes Yes
Live view
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 Yes Yes

Lenses
Lens availability
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 21 lenses 21 lenses
Lens focus motor
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 Yes Yes
Lens mount
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 Sony E Sony E

Form factor
Size
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 111x59x38 mm 117x62x33 mm
Depth
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 1.5" 1.3"
Weight
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 350 g 297 g
Interchangeable lenses
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 Yes Yes
Waterproof
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 No No
Weather sealed
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 No No

Viewfinder
Type
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 Digital None
Viewfinder size
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 Unknown n/a
Coverage
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 100% n/a

Movies
Format
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 1080p @ 60fps 720p @ 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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 Yes Yes
Autofocus
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 Contrast detection Contrast detection
Continuous focus
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 Yes Yes
All formats
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 1080p @ 60fps
1080p @ 24fps
480p @ 30fps
1440 x 1080 @ 30fps		 720p @ 30fps
480p @ 30fps

Features
Panorama
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 Yes Yes
HDR
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 Yes Yes
3D
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 Yes Yes
Image stabilization
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 None None
Supports RAW
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 Yes Yes
GPS
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 No No

Performance
Startup delay
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 1200 ms 1000 ms
Shutter lag
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 223 ms 670 ms
Battery life
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 430 shots 330 shots
Continuous shooting
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 10 fps 7 fps

Focus system
Autofocus
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 Contrast detection Contrast detection
Focus points
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 25 25
Cross type focus points
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 Unknown 0

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 No
Popup
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 Yes n/a
External connection
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 Yes Yes

Storage
Storage slots
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 1 1
Supported formats
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 Memory Stick PRO Duo
Memory Stick PRO-HG Duo
SDXC
SDHC
SD		 Memory Stick PRO Duo
SD
SDXC
Memory Stick
SDHC
Memory Stick Duo

DXO Mark Scores
Image quality
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 81.0 68.0
Color depth
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 24.1 bits 22.1 bits
Dynamic range
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 13.4 EV 12 EV
Low light performance
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 1,016 ISO 830 ISO
Sony NEX-7
NEX-7
Sony

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Sony Alpha NEX-3
Alpha NEX-3
Sony

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