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Pentax Q vs Sigma DP2

Portability
93
Imaging
36
Features
47
Overall
40
Pentax Q front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Pentax Q vs Sigma DP2 Key Specs

Pentax Q
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax Q Mount
  • 180g - 98 x 57 x 31mm
  • Announced June 2011
  • Newer Model is Pentax Q10
Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released September 2009
  • Later Model is Sigma DP2s
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Pentax Q vs Sigma DP2 Overview

Below, we will be reviewing the Pentax Q versus Sigma DP2, one being a Entry-Level Mirrorless and the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. There exists a significant gap among the sensor resolutions of the Q (12MP) and DP2 (5MP) and the Q (1/2.3") and DP2 (APS-C) possess totally different sensor dimensions.

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The Q was brought out 22 months later than the DP2 which makes the cameras a generation apart from one another. Each of the cameras come with different body type with the Pentax Q being a Rangefinder-style mirrorless camera and the Sigma DP2 being a Large Sensor Compact camera.

Before going in to a in depth comparison, below is a short overview of how the Q grades vs the DP2 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Pentax Q over the Sigma DP2

 Q DP2 
ReleasedJune 2011September 2009Fresher by 22 months
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution460k230kCrisper screen (+230k dot)

Reasons to pick Sigma DP2 over the Pentax Q

 DP2 Q 

Common features in the Pentax Q and Sigma DP2

 Q DP2 
Focus manually Very exact focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen
Touch screen Neither offers Touch screen

Pentax Q vs Sigma DP2 Physical Comparison

If you are looking to carry your camera frequently, you have to factor its weight and size. The Pentax Q offers exterior measurements of 98mm x 57mm x 31mm (3.9" x 2.2" x 1.2") along with a weight of 180 grams (0.40 lbs) while the Sigma DP2 has specifications 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 Q versus Sigma DP2 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that time. The following is the front view over all size comparison of the Q against the DP2.

Pentax Q vs Sigma DP2 size comparison

Looking at dimensions and weight, the portability rating of the Q and DP2 is 93 and 86 respectively.

Pentax Q vs Sigma DP2 top view buttons comparison

Pentax Q vs Sigma DP2 Sensor Comparison

Quite often, it is difficult to visualise the gap in sensor sizing merely by looking through specifications. The graphic underneath should give you a clearer sense of the sensor measurements in the Q and DP2.

To sum up, each of these cameras posses different resolutions and different sensor sizing. The Q because of its smaller sensor will make getting bokeh more difficult and the Pentax Q will result in extra detail having its extra 7MP. Higher resolution will also enable you to crop shots somewhat more aggressively. The newer Q is going to have a benefit when it comes to sensor technology.

Pentax Q vs Sigma DP2 sensor size comparison

Pentax Q vs Sigma DP2 Screen and ViewFinder

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

Portrait Comparison

Pentax Q as a Portrait photography camera
Sigma DP2 as a Portrait photography camera
45
has manual focus
great flash sync speed (1/2,000s)
exports RAW formats
MP count low (12 megapixels)
sensor size is tiny (1/2.3")
56
has manual focus
sensor size is nice (APS-C)
delivers RAW formats
sensor resolution low (5 megapixels)
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Street Comparison

Pentax Q as a Street photography camera
Sigma DP2 as a Street photography camera
69
built in image stabilization (Sensor based)
exports RAW formats
lighter than competition in class (180 grams)
no moving screen
sensor size is tiny (1/2.3")
67
sensor size is nice (APS-C)
delivers RAW formats
lighter than competitors in class (280g)
screen is fixed
lack of image stabilization
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Sports Comparison

Pentax Q Sports photography features
Sigma DP2 Sports photography features
32
built in image stabilization (Sensor based)
provides tracking autofocus
painfully slow continuous shooting (2.0 frames per second)
MP count low (12MP)
sensor size is tiny (1/2.3")
not so great battery power (230 shots)
lacks phase detect auto focus
30
sensor size is nice (APS-C)
fixed focal length (41mm)
continuous shooting slow (3.0 frames/s)
lack of image stabilization
sensor resolution low (5 megapixels)
has no phase detect AF
Leica struggles with L-Mount camera sales, tougher than Q or M

Travel Comparison

Travel photography with Pentax Q
Travel photography with Sigma DP2
57
lighter than competition in class (180 grams)
flash built-in
missing Timelapse function
not so great battery power (230 per charge)
MP count low (12 megapixels)
doesn't have selfie friendly screen
67
lighter than competitors in class (280 grams)
has built in flash
great max aperture (f)
sensor resolution low (5MP)
does not have a selfie friendly display
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Landscape Comparison

Pentax Q Landscape photography highlights
Sigma DP2 Landscape photography highlights
51
has manual focus
change lenses (Pentax Q mount)
decent sized screen (3 inches)
built in image stabilization (Sensor based)
exports RAW formats
MP count low (12MP)
sensor size is tiny (1/2.3")
not so great battery power (230 per charge)
missing Timelapse function
48
has manual focus
great max aperture (f)
sensor size is nice (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
fixed focal length (41mm)
screen is small (2.5 inches)
lack of image stabilization
sensor resolution low (5 megapixels)
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Vlogging Comparison

Pentax Q Vlogging information
Sigma DP2 Vlogging information
34
built in image stabilization (Sensor based)
high quality video (1920 x 1080 resolution)
lighter than competition in class (180 grams)
doesn't have selfie friendly screen
missing external microphone port
28
great max aperture (f)
lighter than competitors in class (280 grams)
does not have a selfie friendly display
lack of image stabilization
video quality not great (320 x 240 pxls)
does not have microphone support
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Pentax Q vs Sigma DP2 Specifications

Detailed spec comparison table for Pentax Q and Sigma DP2
 Pentax QSigma DP2
General Information
Manufacturer Pentax Sigma
Model type Pentax Q Sigma DP2
Category Entry-Level Mirrorless Large Sensor Compact
Announced 2011-06-23 2009-09-21
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 20.7 x 13.8mm
Sensor area 28.1mm² 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
Peak resolution 4000 x 3000 2640 x 1760
Highest native ISO 6400 3200
Lowest native ISO 125 200
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 25 -
Lens
Lens support Pentax Q fixed lens
Lens zoom range - 41mm (1x)
Total lenses 8 -
Crop factor 5.8 1.7
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 2.5 inches
Display resolution 460k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Display tech TFT Color LCD -
Viewfinder Information
Viewfinder type None None
Features
Minimum shutter speed 30 secs 15 secs
Fastest shutter speed 1/2000 secs 1/2000 secs
Continuous shutter rate 2.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 5.60 m 4.30 m
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Trailing-curtain sync Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize 1/2000 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720p (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 320 x 240 (30 fps)
Highest video resolution 1920x1080 320x240
Video file format MPEG-4, H.264 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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 180 grams (0.40 pounds) 280 grams (0.62 pounds)
Dimensions 98 x 57 x 31mm (3.9" x 2.2" x 1.2") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall rating 47 not tested
DXO Color Depth rating 20.2 not tested
DXO Dynamic range rating 11.1 not tested
DXO Low light rating 189 not tested
Other
Battery life 230 photographs -
Type of battery Battery Pack -
Battery ID D-LI68 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC/MMC card
Card slots Single Single
Retail pricing $695 $649