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Pentax WG-3 vs Sigma DP2x

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Pentax WG-3 vs Sigma DP2x Key Specs

Pentax WG-3
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 230g - 124 x 64 x 33mm
  • Announced July 2013
Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched February 2011
  • Succeeded the Sigma DP2s
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Pentax WG-3 vs Sigma DP2x Overview

Its time to look much closer at the Pentax WG-3 vs Sigma DP2x, former being a Waterproof while the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. There is a sizable difference among the sensor resolutions of the WG-3 (16MP) and DP2x (5MP) and the WG-3 (1/2.3") and DP2x (APS-C) come with totally different sensor size.

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The WG-3 was unveiled 2 years later than the DP2x and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sigma DP2x being a Large Sensor Compact camera.

Before delving straight into a in-depth comparison, below is a simple introduction of how the WG-3 grades vs the DP2x with regard to portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 over the Sigma DP2x

 WG-3 DP2x 
LaunchedJuly 2013February 2011Fresher by 30 months
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution460k230kCrisper screen (+230k dot)

Reasons to pick Sigma DP2x over the Pentax WG-3

 DP2x WG-3 

Common features in the Pentax WG-3 and Sigma DP2x

 WG-3 DP2x 
Manual focus More precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither offers selfie screen
Touch screen Neither offers Touch screen

Pentax WG-3 vs Sigma DP2x Physical Comparison

If you are planning to carry your camera often, you have to take into account its weight and size. The Pentax WG-3 offers outer dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 230 grams (0.51 lbs) while the Sigma DP2x has specifications of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs).

See the Pentax WG-3 vs Sigma DP2x in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary based on the lens you have attached at that moment. Below is the front view scale comparison of the WG-3 and the DP2x.

Pentax WG-3 vs Sigma DP2x size comparison

Factoring in size and weight, the portability score of the WG-3 and DP2x is 90 and 86 respectively.

Pentax WG-3 vs Sigma DP2x top view buttons comparison

Pentax WG-3 vs Sigma DP2x Sensor Comparison

Generally, it is very tough to see the contrast in sensor sizing simply by researching technical specs. The visual below may give you a better sense of the sensor dimensions in the WG-3 and DP2x.

As you have seen, each of the cameras offer different resolutions and different sensor sizing. The WG-3 having a smaller sensor will make getting shallow depth of field harder and the Pentax WG-3 will provide you with more detail having an extra 11 Megapixels. Higher resolution will also help you crop pictures a little more aggressively. The younger WG-3 will have a benefit with regard to sensor technology.

Pentax WG-3 vs Sigma DP2x sensor size comparison

Pentax WG-3 vs Sigma DP2x Screen and ViewFinder

Pentax WG-3 vs Sigma DP2x Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax WG-3 Portrait photography info
Sigma DP2x Portrait photography info
41
you can focus manually
good resolution (16MP)
offers face detect focusing
manual exposure not possible
external flash not possible
tiny sensor size (1/2.3")
does not have RAW format
57
focusing manually
sensor size is good (APS-C)
supports RAW formats
MP count low (5MP)
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Street Comparison

Pentax WG-3 Street photography factors
Sigma DP2x Street photography factors
61
image stabilization (Sensor-shift)
environment sealing
no articulating screen
tiny sensor size (1/2.3")
does not have RAW format
68
sensor size is good (APS-C)
supports RAW formats
lighter than competitors (280 grams)
no articulating screen
no image stabilization
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Sports Comparison

Pentax WG-3 as a Sports photography camera
Sigma DP2x as a Sports photography camera
45
image stabilization (Sensor-shift)
good resolution (16 megapixels)
offers tracking focus
environment sealing
lack of shutter priority mode
tiny sensor size (1/2.3")
terrible battery pack (240 per charge)
does not have phase detect AF
30
sensor size is good (APS-C)
fixed focal length (41mm)
very slow continuous shooting (3.0 frames per second)
no image stabilization
MP count low (5 megapixels)
no phase detect autofocus
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Travel Comparison

Pentax WG-3 as a Travel photography camera
Sigma DP2x as a Travel photography camera
72
environment sealing
good resolution (16 megapixels)
built-in flash
decently wide (25mm)
very good max aperture (f2.0)
terrible battery pack (240 CIPA)
display isn't selfie friendly
67
lighter than competitors (280 grams)
flash built-in
great maximum aperture (f)
MP count low (5MP)
does not have a selfie friendly display
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Landscape Comparison

Pentax WG-3 Landscape photography features
Sigma DP2x Landscape photography features
54
you can focus manually
decently wide (25mm)
very good max aperture (f2.0)
pretty good screen size (3 inch)
image stabilization (Sensor-shift)
good resolution (16 megapixels)
environment sealing
cannot swap lens (fixed lens mount)
manual exposure not possible
tiny sensor size (1/2.3")
does not have RAW format
terrible battery pack (240 per charge)
48
focusing manually
great maximum aperture (f)
sensor size is good (APS-C)
supports RAW formats
lens is fixed (fixed lens mount)
fixed focal length (41mm)
screen is somewhat small (2.5")
no image stabilization
MP count low (5 megapixels)
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Vlogging Comparison

Pentax WG-3 Vlogging details
Sigma DP2x Vlogging details
36
decently wide (25mm)
very good max aperture (f2.0)
image stabilization (Sensor-shift)
offers face detect focusing
high quality video (1920 x 1080 resolution)
display isn't selfie friendly
lack of mic port
28
great maximum aperture (f)
lighter than competitors (280 grams)
does not have a selfie friendly display
no image stabilization
video res low (320 x 240 resolution)
does not have external microphone support
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Pentax WG-3 vs Sigma DP2x Specifications

Detailed spec comparison table for Pentax WG-3 and Sigma DP2x
 Pentax WG-3Sigma DP2x
General Information
Manufacturer Pentax Sigma
Model type Pentax WG-3 Sigma DP2x
Class Waterproof Large Sensor Compact
Announced 2013-07-19 2011-02-08
Physical type Compact Large Sensor Compact
Sensor Information
Powered by - True II
Sensor type BSI-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 16 megapixels 5 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 3:2 and 16:9
Peak resolution 4608 x 3456 2640 x 1760
Highest native ISO 6400 3200
Minimum native ISO 125 100
RAW data
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 9 -
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 41mm (1x)
Maximum aperture f/2.0-4.9 -
Macro focusing range 1cm -
Crop factor 5.8 1.7
Screen
Type of display Fixed Type Fixed Type
Display sizing 3 inches 2.5 inches
Resolution of display 460k dots 230k dots
Selfie friendly
Liveview
Touch operation
Display tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 4 seconds 15 seconds
Max shutter speed 1/4000 seconds 1/2000 seconds
Continuous shutter rate 10.0fps 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 3.40 m 4.30 m
Flash modes Auto, On, Off, Red-eye, Soft Forced Flash, Red-Eye Reduction, Slow Synchro
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 320 x 240
Highest video resolution 1920x1080 320x240
Video file format MPEG-4, H.264 Motion JPEG
Microphone 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 230 grams (0.51 lb) 280 grams (0.62 lb)
Dimensions 124 x 64 x 33mm (4.9" x 2.5" x 1.3") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
DXO scores
DXO Overall 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 life 240 photos -
Battery style Battery Pack -
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC card, Internal SD/SDHC/MMC
Card slots One One
Retail price $300 $699