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Pentax K20D vs Pentax WG-2 GPS

Portability
59
Imaging
54
Features
52
Overall
53
Pentax K20D front
 
Pentax Optio WG-2 GPS front
Portability
91
Imaging
39
Features
37
Overall
38

Pentax K20D vs Pentax WG-2 GPS Key Specs

Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Raise to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Launched June 2008
  • Previous Model is Pentax K10D
Pentax WG-2 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • 1920 x 1080 video
  • 28-140mm (F3.5-5.5) lens
  • 198g - 122 x 61 x 30mm
  • Revealed February 2012
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Pentax K20D vs Pentax WG-2 GPS Overview

Below, we will be looking at the Pentax K20D and Pentax WG-2 GPS, former is a Advanced DSLR while the latter is a Waterproof and they are both offered by Pentax. The image resolution of the K20D (15MP) and the WG-2 GPS (16MP) is pretty similar but the K20D (APS-C) and WG-2 GPS (1/2.3") use different sensor sizing.

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The K20D was revealed 4 years prior to the WG-2 GPS which is quite a serious difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Pentax WG-2 GPS being a Compact camera.

Before we go in to a more detailed comparison, below is a quick summation of how the K20D scores against the WG-2 GPS in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K20D over the Pentax WG-2 GPS

 K20D WG-2 GPS 

Reasons to pick Pentax WG-2 GPS over the Pentax K20D

 WG-2 GPS K20D 
RevealedFebruary 2012June 2008Newer by 44 months
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution460k230kSharper screen (+230k dot)

Common features in the Pentax K20D and Pentax WG-2 GPS

 K20D WG-2 GPS 
Manually focus Very precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither offers selfie screen
Touch screen Absent Touch screen

Pentax K20D vs Pentax WG-2 GPS Physical Comparison

For anyone who is going to travel with your camera, you'll need to think about its weight and size. The Pentax K20D offers external measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) and the Pentax WG-2 GPS has specifications of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") along with a weight of 198 grams (0.44 lbs).

Compare the Pentax K20D and Pentax WG-2 GPS in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary based on the lens you select during that time. Here is the front view proportions comparison of the K20D compared to the WG-2 GPS.

Pentax K20D vs Pentax WG-2 GPS size comparison

Looking at dimensions and weight, the portability rating of the K20D and WG-2 GPS is 59 and 91 respectively.

Pentax K20D vs Pentax WG-2 GPS top view buttons comparison

Pentax K20D vs Pentax WG-2 GPS Sensor Comparison

Sometimes, it is very tough to picture the difference between sensor dimensions merely by going over technical specs. The pic below will offer you a stronger sense of the sensor measurements in the K20D and WG-2 GPS.

As you can tell, both of those cameras posses different resolutions and different sensor dimensions. The K20D using its bigger sensor is going to make shooting shallower depth of field easier and the Pentax WG-2 GPS will deliver extra detail because of its extra 1 Megapixels. Higher resolution will let you crop shots somewhat more aggressively. The more aged K20D is going to be behind when it comes to sensor tech.

Pentax K20D vs Pentax WG-2 GPS sensor size comparison

Pentax K20D vs Pentax WG-2 GPS Screen and ViewFinder

Pentax K20D vs Pentax WG-2 GPS Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D Portrait photography factors
Pentax WG-2 GPS Portrait photography factors
72
focusing manually
megapixel count decent (15MP)
sensor size is good (APS-C)
delivers RAW files
40
you can focus manually
decent megapixels (16MP)
supports face detection focus
lack of manual mode
no external flash support
sensor is tiny (1/2.3")
does not have RAW format
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Street Comparison

Pentax K20D as a Street photography camera
Pentax WG-2 GPS as a Street photography camera
65
image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
environment sealing
screen is fixed
54
environment sealing
fixed screen
does not have image stabilization
sensor is tiny (1/2.3")
does not have RAW format
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Sports Comparison

Sports photography with Pentax K20D
Sports photography with Pentax WG-2 GPS
68
image stabilization (Sensor based)
megapixel count decent (15 megapixels)
sensor size is good (APS-C)
environment sealing
comes with phase detect auto focus
very slow continuous shooting (3.0 frames per second)
38
decent megapixels (16 megapixels)
supports tracking autofocus
environment sealing
low fps (1.0 frames per second)
no shutter priority
does not have image stabilization
sensor is tiny (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Pentax K20D Travel photography factors
Pentax WG-2 GPS Travel photography factors
64
environment sealing
megapixel count decent (15MP)
has built in flash
screen isn't selfie friendly
70
environment sealing
decent megapixels (16MP)
built-in flash
reasonably wide (28mm)
doesn't have a selfie friendly screen
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K20D Landscape photography information
Pentax WG-2 GPS Landscape photography information
71
focusing manually
swap lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count decent (15MP)
sensor size is good (APS-C)
delivers RAW files
environment sealing
screen is somewhat small (2.7")
47
you can focus manually
reasonably wide (28mm)
decent sized screen (3")
decent megapixels (16 megapixels)
environment sealing
cannot swap lenses (fixed lens mount)
somewhat slow maximum aperture (f3.5)
lack of manual mode
does not have image stabilization
sensor is tiny (1/2.3")
does not have RAW format
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Vlogging Comparison

Pentax K20D Vlogging features
Pentax WG-2 GPS Vlogging features
9
no video shooting
30
reasonably wide (28mm)
supports face detection focus
video resolution high (1920 x 1080 pxls)
somewhat slow maximum aperture (f3.5)
doesn't have a selfie friendly screen
does not have image stabilization
doesn't have external microphone socket
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Pentax K20D vs Pentax WG-2 GPS Specifications

Detailed spec comparison table for Pentax K20D and Pentax WG-2 GPS
 Pentax K20DPentax Optio WG-2 GPS
General Information
Brand Name Pentax Pentax
Model Pentax K20D Pentax Optio WG-2 GPS
Class Advanced DSLR Waterproof
Launched 2008-06-25 2012-02-07
Physical type Mid-size SLR Compact
Sensor Information
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor measurements 23.4 x 15.6mm 6.17 x 4.55mm
Sensor surface area 365.0mm² 28.1mm²
Sensor resolution 15 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3 and 16:9
Full resolution 4672 x 3104 4288 x 3216
Max native ISO 3200 6400
Max boosted ISO 6400 -
Min native ISO 100 125
RAW support
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 11 9
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28-140mm (5.0x)
Maximal aperture - f/3.5-5.5
Macro focus range - 1cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.7 inch 3 inch
Resolution of screen 230 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch functionality
Screen tech - Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30 secs 4 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash range 13.00 m (at ISO 100) 5.40 m
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
WB bracketing
Maximum flash synchronize 1/180 secs -
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), 640 x 480 (30fps), 320 x 240 (30, 15 fps)
Max video resolution None 1920x1080
Video format - MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800g (1.76 pounds) 198g (0.44 pounds)
Dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 122 x 61 x 30mm (4.8" x 2.4" x 1.2")
DXO scores
DXO All around score 65 not tested
DXO Color Depth score 22.9 not tested
DXO Dynamic range score 11.1 not tested
DXO Low light score 639 not tested
Other
Battery life - 260 photographs
Battery type - Battery Pack
Battery model D-LI50 D-LI92
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/MMC/SDHC card SD/SDHC/SDXC card, Internal
Card slots Single Single
Price at launch $700 $300