Nikon
D700
 vs
Pentax
K-x

General

 Nikon D700 Pentax K-x
Brand
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 Nikon Pentax
Lowest price
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 $2,649.00 $674.92
Announced
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 July, 2008 September, 2009

Sensor
Type
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 CMOS CMOS
Size
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 Full frame 36.0x24.0mm APS-C 23.6x15.8mm
Crop factor
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 1x 1.5x
Megapixels
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 12.1 MP 12.2 MP
Light sensitivity
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 6,400 ISO 6,400 ISO
Light sensitivity (boost)
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 25,600 ISO 12,800 ISO
Sensor cleaning
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 Yes Yes

Sensor (Advanced)
True resolution
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 12.1 MP 12.2 MP
Native resolution
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 4256 x 2832 4288 x 2848
Pixel size
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 71.7 µm² 30.5 µm²

Screen
Type
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 LCD LCD
Size
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 3.0" 2.7"
Resolution
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 922k dots 230k dots
Touch screen
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 No No
Flips out
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 No No
Live view
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 Yes Yes

Lenses
Lens availability
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 121 lenses 90 lenses
Lens focus motor
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 Yes Yes
Lens mount
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 Nikon FX Pentax K

Form factor
Size
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 147x123x77 mm 123x92x68 mm
Depth
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 3" 2.7"
Weight
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 1,074 g 580 g
Interchangeable lenses
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 Yes Yes
Waterproof
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 No No
Weather sealed
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 Yes No

Viewfinder
Type
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 Pentaprism Pentamirror
Viewfinder size
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 0.72x 0.56x
Coverage
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 95% 96%

Movies
Format
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 None 720p @ 24fps
Supports 24p
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 n/a Yes
High-speed framerate
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 n/a None
External mic jack
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 n/a No
Autofocus
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 None None
All formats
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 n/a 640 x 416 @ 24fps
720p @ 24fps

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

Performance
Startup delay
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 400 ms 600 ms
Shutter lag
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 197 ms 97 ms
Battery life
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 1000 shots 420 shots
Continuous shooting
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 5 fps 4.7 fps

Focus system
Autofocus
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 Phase detection Phase detection
Focus points
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 51 11
Cross type focus points
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 15 9

Shutter
Max
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 1/8000s 1/6000s
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 1
Supported formats
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 CompactFlash (Type I) SD
SDHC

DXO Mark Scores
Image quality
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 80.0 72.0
Color depth
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 23.5 bits 22.8 bits
Dynamic range
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 12.2 EV 12.5 EV
Low light performance
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 2,303 ISO 811 ISO