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Pentax X90 vs Sigma DP2

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Pentax X90 vs Sigma DP2 Key Specs

Pentax X90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-676mm (F2.8-5.0) lens
  • 428g - 111 x 85 x 110mm
  • Revealed July 2010
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
  • Revealed September 2009
  • Replacement is Sigma DP2s
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Pentax X90 vs Sigma DP2 Overview

Here is a in-depth analysis of the Pentax X90 vs Sigma DP2, one being a Small Sensor Superzoom and the other is a Large Sensor Compact by manufacturers Pentax and Sigma. There exists a big gap between the resolutions of the X90 (12MP) and DP2 (5MP) and the X90 (1/2.3") and DP2 (APS-C) have totally different sensor size.

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The X90 was brought out 10 months later than the DP2 and they are both of a similar generation. Both of the cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP2 being a Large Sensor Compact camera.

Before going right into a full comparison, here is a simple view of how the X90 matches up versus the DP2 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Pentax X90 over the Sigma DP2

 X90 DP2 
RevealedJuly 2010September 2009Fresher by 10 months
Display dimensions2.7"2.5"Larger display (+0.2")

Reasons to pick Sigma DP2 over the Pentax X90

 DP2 X90 

Common features in the Pentax X90 and Sigma DP2

 X90 DP2 
Manually focus Very exact focusing
Display typeFixed Fixed Fixed display
Display resolution230k230kSame display resolution
Selfie screen Absent selfie screen
Touch display Absent Touch display

Pentax X90 vs Sigma DP2 Physical Comparison

If you are intending to carry your camera regularly, you will need to think about its weight and dimensions. The Pentax X90 enjoys outside dimensions of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") along with a weight of 428 grams (0.94 lbs) whilst the Sigma DP2 has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs).

Compare the Pentax X90 vs Sigma DP2 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that moment. Underneath is a front view scale comparison of the X90 versus the DP2.

Pentax X90 vs Sigma DP2 size comparison

Taking into account dimensions and weight, the portability score of the X90 and DP2 is 69 and 86 respectively.

Pentax X90 vs Sigma DP2 top view buttons comparison

Pentax X90 vs Sigma DP2 Sensor Comparison

Quite often, it is difficult to envision the difference between sensor sizing just by reviewing technical specs. The photograph here may give you a greater sense of the sensor dimensions in the X90 and DP2.

As you have seen, the two cameras have different resolutions and different sensor sizing. The X90 featuring a tinier sensor will make achieving shallow DOF more difficult and the Pentax X90 will deliver more detail having its extra 7MP. Greater resolution can also allow you to crop pics a bit more aggressively. The younger X90 is going to have a benefit with regard to sensor tech.

Pentax X90 vs Sigma DP2 sensor size comparison

Pentax X90 vs Sigma DP2 Screen and ViewFinder

Pentax X90 vs Sigma DP2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 Portrait photography features
Sigma DP2 Portrait photography features
29
has manual focus
no external flash support
resolution not great (12 megapixels)
sensor size is tiny (1/2.3")
no RAW support
56
manual focus
decent sensor size (APS-C)
exports RAW formats
MP count low (5MP)
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Street Comparison

Pentax X90 as a Street photography camera
Sigma DP2 as a Street photography camera
45
has image stabilization (Sensor-shift)
no articulating screen
sensor size is tiny (1/2.3")
no RAW support
67
decent sensor size (APS-C)
exports RAW formats
lighter than average in class (280 grams)
screen does not articulate
lack of image stabilization
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Sports Comparison

Pentax X90 as a Sports photography camera
Sigma DP2 as a Sports photography camera
42
great zoom range (26-676mm 26.0 x zoom)
has image stabilization (Sensor-shift)
features tracking autofocus
resolution not great (12MP)
sensor size is tiny (1/2.3")
no phase detect AF
30
decent sensor size (APS-C)
focal length is fixed (41mm)
max fps low (3.0 frames per second)
lack of image stabilization
MP count low (5MP)
doesn't have phase detect auto focus
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Travel Comparison

Pentax X90 Travel photography info
Sigma DP2 Travel photography info
51
built-in flash
relatively wide (26mm)
long zoom (676mm)
missing Time Lapse recording
resolution not great (12MP)
doesn't contain selfie friendly display
slow max aperture (f2.8)
67
lighter than average in class (280g)
has built in flash
great maximum aperture (f)
MP count low (5MP)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Pentax X90
Landscape photography with Sigma DP2
35
has manual focus
relatively wide (26mm)
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
slow max aperture (f2.8)
small screen (2.7 inch)
resolution not great (12MP)
sensor size is tiny (1/2.3")
no RAW support
missing Time Lapse recording
48
manual focus
great maximum aperture (f)
decent sensor size (APS-C)
exports RAW formats
fixed lens (fixed lens mount)
focal length is fixed (41mm)
screen is small (2.5 inch)
lack of image stabilization
MP count low (5MP)
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Vlogging Comparison

Vlogging with Pentax X90
Vlogging with Sigma DP2
23
relatively wide (26mm)
has image stabilization (Sensor-shift)
slow max aperture (f2.8)
doesn't contain selfie friendly display
low video resolution (1280 x 720 pxls)
missing external mic port
28
great maximum aperture (f)
lighter than average in class (280 grams)
screen is not selfie friendly
lack of image stabilization
video resolution low (320 x 240 pixels)
lack of mic support
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Pentax X90 vs Sigma DP2 Specifications

Detailed spec comparison table for Pentax X90 and Sigma DP2
 Pentax X90Sigma DP2
General Information
Make Pentax Sigma
Model type Pentax X90 Sigma DP2
Class Small Sensor Superzoom Large Sensor Compact
Revealed 2010-07-06 2009-09-21
Physical type SLR-like (bridge) Large Sensor Compact
Sensor Information
Processor Chip Prime -
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 20.7 x 13.8mm
Sensor area 27.7mm² 285.7mm²
Sensor resolution 12 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest resolution 4000 x 3000 2640 x 1760
Highest native ISO 6400 3200
Min native ISO 80 200
RAW images
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 9 -
Lens
Lens support fixed lens fixed lens
Lens zoom range 26-676mm (26.0x) 41mm (1x)
Maximum aperture f/2.8-5.0 -
Macro focusing distance 1cm -
Focal length multiplier 5.9 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7" 2.5"
Screen resolution 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic None
Features
Lowest shutter speed 4s 15s
Highest shutter speed 1/4000s 1/2000s
Continuous shooting rate - 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 9.10 m 4.30 m
Flash options - Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AE bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 320 x 240 (30 fps)
Highest video resolution 1280x720 320x240
Video file format Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 428 grams (0.94 lbs) 280 grams (0.62 lbs)
Physical dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID D-L106 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC, Internal SD/SDHC/MMC card
Card slots 1 1
Launch cost $350 $649