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Pentax X90 vs Sigma DP2s

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Sigma DP2s front
Portability
86
Imaging
44
Features
31
Overall
38

Pentax X90 vs Sigma DP2s 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
  • Launched July 2010
Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched February 2010
  • Replaced the Sigma DP2
  • Updated by Sigma DP2x
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Pentax X90 vs Sigma DP2s Overview

Following is a in depth overview of the Pentax X90 vs Sigma DP2s, former is a Small Sensor Superzoom while the other is a Large Sensor Compact by rivals Pentax and Sigma. There exists a considerable gap between the sensor resolutions of the X90 (12MP) and DP2s (5MP) and the X90 (1/2.3") and DP2s (APS-C) use totally different sensor size.

Photography Glossary

The X90 was introduced 5 months after the DP2s and they are of a similar age. Both of the cameras come with different body type with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP2s being a Large Sensor Compact camera.

Before diving straight into a in-depth comparison, below is a concise highlight of how the X90 matches up against the DP2s with regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax X90 over the Sigma DP2s

 X90 DP2s 
Display dimension2.7"2.5"Larger display (+0.2")

Reasons to pick Sigma DP2s over the Pentax X90

 DP2s X90 

Common features in the Pentax X90 and Sigma DP2s

 X90 DP2s 
LaunchedJuly 2010February 2010Similar age
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Display resolution230k230kSame display resolution
Selfie screen Missing selfie screen
Touch display Missing Touch display

Pentax X90 vs Sigma DP2s Physical Comparison

In case you're planning to carry around your camera, you will want to think about its weight and proportions. The Pentax X90 has got outside measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") accompanied by a weight of 428 grams (0.94 lbs) while the Sigma DP2s has measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs).

Analyze the Pentax X90 vs Sigma DP2s in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ depending on the lens you are employing at that time. The following is the front view size comparison of the X90 versus the DP2s.

Pentax X90 vs Sigma DP2s size comparison

Looking at dimensions and weight, the portability rating of the X90 and DP2s is 69 and 86 respectively.

Pentax X90 vs Sigma DP2s top view buttons comparison

Pentax X90 vs Sigma DP2s Sensor Comparison

Normally, it's tough to visualise the contrast between sensor sizes only by checking technical specs. The image underneath will provide you a stronger sense of the sensor sizing in the X90 and DP2s.

As you can tell, both cameras posses different resolutions and different sensor sizes. The X90 having a tinier sensor will make shooting shallow depth of field harder and the Pentax X90 will give you greater detail using its extra 7MP. Greater resolution will also let you crop images somewhat more aggressively.

Pentax X90 vs Sigma DP2s sensor size comparison

Pentax X90 vs Sigma DP2s Screen and ViewFinder

Pentax X90 vs Sigma DP2s Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 Portrait photography info
Sigma DP2s Portrait photography info
29
has manual focus
cannot use external flash
MP count low (12 megapixels)
sensor is small (1/2.3")
lacks RAW support
56
manual focus
sensor size is good (APS-C)
delivers RAW files
low megapixels (5 megapixels)
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Street Comparison

Pentax X90 as a Street photography camera
Sigma DP2s as a Street photography camera
45
has image stabilization (Sensor-shift)
no moving screen
sensor is small (1/2.3")
lacks RAW support
67
sensor size is good (APS-C)
delivers RAW files
lighter than average in class (280 grams)
fixed screen
no image stabilization
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Sports Comparison

Pentax X90 Sports photography highlights
Sigma DP2s Sports photography highlights
42
excellent zoom range (26-676mm 26.0 x zoom)
has image stabilization (Sensor-shift)
comes with tracking autofocus
MP count low (12 megapixels)
sensor is small (1/2.3")
lacks phase detect autofocus
30
sensor size is good (APS-C)
fixed focal length (41mm)
max frames per second very slow (3.0 fps)
no image stabilization
low megapixels (5 megapixels)
has no phase detect AF
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Travel Comparison

Pentax X90 Travel photography information
Sigma DP2s Travel photography information
51
flash built-in
relatively wide (26mm)
long reach (676mm)
does not have Timelapse mode
MP count low (12MP)
display is not selfie friendly
sluggish maximum aperture (f2.8)
67
lighter than average in class (280 grams)
flash built-in
great max aperture (f)
low megapixels (5 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Landscape photography with Pentax X90
Landscape photography with Sigma DP2s
35
has manual focus
relatively wide (26mm)
has image stabilization (Sensor-shift)
can't swap lens (fixed lens mount)
sluggish maximum aperture (f2.8)
screen is somewhat small (2.7 inches)
MP count low (12MP)
sensor is small (1/2.3")
lacks RAW support
does not have Timelapse mode
48
manual focus
great max aperture (f)
sensor size is good (APS-C)
delivers RAW files
cannot switch lenses (fixed lens mount)
fixed focal length (41mm)
screen is somewhat small (2.5")
no image stabilization
low megapixels (5MP)
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Vlogging Comparison

Pentax X90 as a Vlogging camera
Sigma DP2s as a Vlogging camera
23
relatively wide (26mm)
has image stabilization (Sensor-shift)
sluggish maximum aperture (f2.8)
display is not selfie friendly
video res low (1280 x 720 pxls)
does not have external microphone socket
28
great max aperture (f)
lighter than average in class (280g)
screen isn't selfie friendly
no image stabilization
low res video (320 x 240 pxls)
no mic support
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Pentax X90 vs Sigma DP2s Specifications

Detailed spec comparison table for Pentax X90 and Sigma DP2s
 Pentax X90Sigma DP2s
General Information
Brand Pentax Sigma
Model Pentax X90 Sigma DP2s
Type Small Sensor Superzoom Large Sensor Compact
Launched 2010-07-06 2010-02-20
Physical type SLR-like (bridge) Large Sensor Compact
Sensor Information
Processor Chip Prime True II
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 12MP 5MP
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Peak resolution 4000 x 3000 2640 x 1760
Highest native ISO 6400 3200
Lowest native ISO 80 50
RAW format
Autofocusing
Manual focus
Touch to focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 -
Lens
Lens mount fixed lens fixed lens
Lens focal range 26-676mm (26.0x) 41mm (1x)
Maximum aperture f/2.8-5.0 -
Macro focus range 1cm -
Crop factor 5.9 1.7
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.7" 2.5"
Screen resolution 230k dots 230k dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Electronic None
Features
Minimum shutter speed 4 seconds 15 seconds
Fastest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shutter rate - 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 9.10 m 4.30 m
Flash modes - Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 320 x 240
Highest video resolution 1280x720 320x240
Video data 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
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 428 gr (0.94 lb) 280 gr (0.62 lb)
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 Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery model D-L106 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC, Internal SD/SDHC/MMC card
Card slots Single Single
Launch pricing $350 $940