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Pentax K-7 vs Sigma DP2

Portability
60
Imaging
55
Features
69
Overall
60
Pentax K-7 front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Pentax K-7 vs Sigma DP2 Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 2000 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Launched October 2009
  • Successor is Pentax K-5
Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Announced September 2009
  • Successor is Sigma DP2s
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Pentax K-7 vs Sigma DP2 Overview

Below is a comprehensive analysis of the Pentax K-7 vs Sigma DP2, former being a Advanced DSLR while the other is a Large Sensor Compact by companies Pentax and Sigma. There exists a considerable gap between the image resolutions of the K-7 (15MP) and DP2 (5MP) but both cameras boast the same sensor sizes (APS-C).

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The K-7 was launched within a month of the DP2 and they are both of a similar age. Both the cameras have different body design with the Pentax K-7 being a Mid-size SLR camera and the Sigma DP2 being a Large Sensor Compact camera.

Before going into a detailed comparison, here is a concise summary of how the K-7 matches up vs the DP2 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-7 over the Sigma DP2

 K-7 DP2 
Display dimensions3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)

Reasons to pick Sigma DP2 over the Pentax K-7

 DP2 K-7 

Common features in the Pentax K-7 and Sigma DP2

 K-7 DP2 
AnnouncedOctober 2009September 2009Similar age
Focus manually Dial accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen
Touch display Neither contains Touch display

Pentax K-7 vs Sigma DP2 Physical Comparison

For those who are looking to lug around your camera often, you will want to factor its weight and size. The Pentax K-7 has got outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs) and the Sigma DP2 has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs).

Compare the Pentax K-7 vs Sigma DP2 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change based on the lens you choose during that time. Here is a front view scale comparison of the K-7 and the DP2.

Pentax K-7 vs Sigma DP2 size comparison

Taking into account dimensions and weight, the portability rating of the K-7 and DP2 is 60 and 86 respectively.

Pentax K-7 vs Sigma DP2 top view buttons comparison

Pentax K-7 vs Sigma DP2 Sensor Comparison

Sometimes, its hard to picture the difference between sensor measurements purely by going over specifications. The visual underneath should give you a clearer sense of the sensor sizing in the K-7 and DP2.

Plainly, both of those cameras provide the same sensor dimensions but different resolution. You can anticipate the Pentax K-7 to deliver greater detail utilizing its extra 10 Megapixels. Greater resolution will make it easier to crop pics more aggressively.

Pentax K-7 vs Sigma DP2 sensor size comparison

Pentax K-7 vs Sigma DP2 Screen and ViewFinder

Pentax K-7 vs Sigma DP2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-7
Portrait photography with Sigma DP2
73
manual focus
decent MP (15MP)
sensor size is nice (APS-C)
comes with face detect autofocus
exports RAW files
56
manual focus
sensor size is good (APS-C)
delivers RAW files
low resolution (5 megapixels)
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Street Comparison

Pentax K-7 Street photography factors
Sigma DP2 Street photography factors
66
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
environment proofing
fixed screen
67
sensor size is good (APS-C)
delivers RAW files
lighter than competitors in class (280g)
no articulating screen
lack of image stabilization
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Sports Comparison

Pentax K-7 Sports photography features
Sigma DP2 Sports photography features
70
max shutter speed is good (1/8,000 seconds)
built in image stabilization (Sensor based)
decent MP (15MP)
sensor size is nice (APS-C)
environment proofing
sensor has phase detect autofocus
painfully slow continuous shooting (5.0 fps)
30
sensor size is good (APS-C)
can't change focal length (41mm)
continuous shooting slow (3.0 frames/s)
lack of image stabilization
low resolution (5 megapixels)
does not have phase detect AF
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Travel Comparison

Travel photography with Pentax K-7
Travel photography with Sigma DP2
65
environment proofing
decent MP (15MP)
has built in flash
doesn't have a selfie friendly screen
67
lighter than competitors in class (280 grams)
flash built-in
great maximum aperture (f)
low resolution (5 megapixels)
does not have a selfie friendly display
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Landscape Comparison

Pentax K-7 Landscape photography highlights
Sigma DP2 Landscape photography highlights
78
manual focus
swap lenses (Pentax KAF2 mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based)
decent MP (15MP)
sensor size is nice (APS-C)
exports RAW files
environment proofing
48
manual focus
great maximum aperture (f)
sensor size is good (APS-C)
delivers RAW files
lens is fixed (fixed lens mount)
can't change focal length (41mm)
screen is small (2.5")
lack of image stabilization
low resolution (5 megapixels)
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Vlogging Comparison

Vlogging with Pentax K-7
Vlogging with Sigma DP2
25
built in image stabilization (Sensor based)
comes with face detect autofocus
doesn't have a selfie friendly screen
video resolution low (1280 x 720 pxls)
doesn't have mic support
28
great maximum aperture (f)
lighter than competitors in class (280g)
does not have a selfie friendly display
lack of image stabilization
video quality not great (320 x 240 pxls)
lack of microphone support
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Pentax K-7 vs Sigma DP2 Specifications

Detailed spec comparison table for Pentax K-7 and Sigma DP2
 Pentax K-7Sigma DP2
General Information
Manufacturer Pentax Sigma
Model Pentax K-7 Sigma DP2
Type Advanced DSLR Large Sensor Compact
Launched 2009-10-02 2009-09-21
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor Prime II -
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.4 x 15.6mm 20.7 x 13.8mm
Sensor area 365.0mm² 285.7mm²
Sensor resolution 15 megapixel 5 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 4672 x 3104 2640 x 1760
Highest native ISO 2000 3200
Highest enhanced ISO 6400 -
Lowest native ISO 100 200
RAW format
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 41mm (1x)
Available lenses 151 -
Focal length multiplier 1.5 1.7
Screen
Type of display Fixed Type Fixed Type
Display diagonal 3" 2.5"
Resolution of display 921 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Display tech TFT color LCD with AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 100% -
Viewfinder magnification 0.61x -
Features
Minimum shutter speed 30s 15s
Fastest shutter speed 1/8000s 1/2000s
Continuous shutter rate 5.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash range 13.00 m 4.30 m
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize 1/180s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 320 x 240 (30 fps)
Highest video resolution 1280x720 320x240
Video data format Motion JPEG Motion JPEG
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750g (1.65 lb) 280g (0.62 lb)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall score 61 not tested
DXO Color Depth score 22.6 not tested
DXO Dynamic range score 10.6 not tested
DXO Low light score 536 not tested
Other
Battery life 980 photographs -
Form of battery Battery Pack -
Battery model D-LI90 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/SDHC/MMC SD/SDHC/MMC card
Card slots One One
Retail price $599 $649