General

Nikon D4 Sony A7R
Brand
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Nikon Sony
Lowest price
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$5,120.53 $1,603.99
Announced
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January 2012 October 2013

Sensor

Type
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CMOS CMOS
Crop factor
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1x 1x
Megapixels
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16.2 MP 36.2 MP
Light sensitivity
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12,800 ISO 25,600 ISO
Light sensitivity (boost)
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204,800 ISO 25,600 ISO
Sensor cleaning
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Yes Yes

Sensor (Advanced)

True resolution
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16.2 MP 36.2 MP
Native resolution
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4928 × 3280 7360 × 4912
Pixel size
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53.5 µm² 23.8 µm²

Screen

Type
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LCD LCD
Size
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3.2" 3"
Resolution
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920k 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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171 lenses 92 lenses
Lens mount
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Nikon FX Sony E (Full Frame)

Form factor

Size
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160×157×91 mm 127×94×48 mm
Depth
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3.6" 1.9"
Weight
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1,340 g 465 g
Interchangeable lenses
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Yes Yes
Waterproof
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No No
Weather sealed
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Yes Yes
Built-in focus motor
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Yes No

Viewfinder

Type
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Pentaprism Digital
Viewfinder size
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0.70x 0.71x
Coverage
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100% 100%

Movies

Format
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1080p @ 30fps 1080p @ 60fps
Supports 24p
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Yes Yes
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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  1. 1080p @ 24fps
  2. 1080p @ 30fps
  1. 480p @ 30fps
  2. 1,440 x 1,080 @ 30fps
  3. 1080p @ 24fps
  4. 1080p @ 60fps

Features

Panorama
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No Yes
HDR
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Yes Yes
3D
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No No
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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300 ms Unknown
Shutter lag
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208 ms Unknown
Battery life
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2600 shots 340 shots
Continuous shooting
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11 fps 4 fps

Focus system

Autofocus
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Phase detection Contrast detection
Focus points
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51 25
Cross type focus points
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15 Unknown

Shutter

Max
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1/8000s 1/8000s
Min
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30s 30s

Flash

Built-in flash
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No No
External connection
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Yes Yes

Storage

Storage slots
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2 1
Supported formats
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  1. CompactFlash (Type I)
  2. CompactFlash (Type I)
  3. CompactFlash (Type II)
  4. CompactFlash (Type II)
  5. XQD
  6. XQD
  1. Memory Stick PRO-HG Duo
  2. SD
  3. SDHC
  4. SDXC

DXO Mark Scores

Image quality
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89.0 95.0
Color depth
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24.7 bits 26 bits
Dynamic range
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13.1 EV 14.1 EV
Low light performance
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2,965 ISO 2,746 ISO
Nikon D4
D4
Nikon

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Sony A7R
A7R
Sony

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