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Olympus E-P3 vs Pentax WG-2 GPS

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Pentax Optio WG-2 GPS front
Portability
91
Imaging
39
Features
37
Overall
38

Olympus E-P3 vs Pentax WG-2 GPS Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Revealed August 2011
  • Older Model is Olympus E-P2
  • Successor is Olympus E-P5
Pentax WG-2 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • 1920 x 1080 video
  • 28-140mm (F3.5-5.5) lens
  • 198g - 122 x 61 x 30mm
  • Released February 2012
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Olympus E-P3 vs Pentax WG-2 GPS Overview

Let's look closer at the Olympus E-P3 vs Pentax WG-2 GPS, one being a Entry-Level Mirrorless and the other is a Waterproof by companies Olympus and Pentax. There is a significant difference between the resolutions of the E-P3 (12MP) and WG-2 GPS (16MP) and the E-P3 (Four Thirds) and WG-2 GPS (1/2.3") enjoy totally different sensor sizing.

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The E-P3 was announced 5 months earlier than the WG-2 GPS so they are both of a similar generation. Both of these cameras come with different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax WG-2 GPS being a Compact camera.

Before getting straight into a step-by-step comparison, below is a simple view of how the E-P3 grades versus the WG-2 GPS with regards to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Olympus E-P3 over the Pentax WG-2 GPS

 E-P3 WG-2 GPS 
Display resolution614k460kCrisper display (+154k dot)
Touch display Easily navigate

Reasons to pick Pentax WG-2 GPS over the Olympus E-P3

 WG-2 GPS E-P3 

Common features in the Olympus E-P3 and Pentax WG-2 GPS

 E-P3 WG-2 GPS 
ReleasedAugust 2011February 2012Similar generation
Manually focus Very accurate focus
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display measurement
Selfie screen Neither contains selfie screen

Olympus E-P3 vs Pentax WG-2 GPS Physical Comparison

For anybody who is going to carry your camera regularly, you'll have to factor its weight and volume. The Olympus E-P3 has got external measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") accompanied by a weight of 369 grams (0.81 lbs) whilst the Pentax WG-2 GPS has sizing of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 198 grams (0.44 lbs).

Take a look at the Olympus E-P3 vs Pentax WG-2 GPS in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that time. Following is the front view sizing comparison of the E-P3 against the WG-2 GPS.

Olympus E-P3 vs Pentax WG-2 GPS size comparison

Taking into account size and weight, the portability rating of the E-P3 and WG-2 GPS is 86 and 91 respectively.

Olympus E-P3 vs Pentax WG-2 GPS top view buttons comparison

Olympus E-P3 vs Pentax WG-2 GPS Sensor Comparison

Generally, it is very difficult to envision the contrast between sensor sizing simply by reviewing technical specs. The visual here might offer you a greater sense of the sensor sizing in the E-P3 and WG-2 GPS.

As you have seen, both of these cameras posses different resolutions and different sensor sizing. The E-P3 with its larger sensor will make achieving shallower depth of field less difficult and the Pentax WG-2 GPS will offer extra detail with its extra 4MP. Greater resolution will enable you to crop images somewhat more aggressively.

Olympus E-P3 vs Pentax WG-2 GPS sensor size comparison

Olympus E-P3 vs Pentax WG-2 GPS Screen and ViewFinder

Olympus E-P3 vs Pentax WG-2 GPS Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography details
Pentax WG-2 GPS Portrait photography details
60
manual focus
sensor size is good (Four Thirds)
provides face detect focusing
supports RAW formats
sensor resolution low (12MP)
40
focusing manually
good megapixels (16 megapixels)
supports face detect focusing
no manual mode
cannot use external flash
sensor size is small (1/2.3")
no RAW format
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Street Comparison

Olympus E-P3 as a Street photography camera
Pentax WG-2 GPS as a Street photography camera
76
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW formats
offers touch to focus
fixed screen
54
weather sealing
fixed screen
no image stabilization
sensor size is small (1/2.3")
no RAW format
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Sports Comparison

Sports photography with Olympus E-P3
Sports photography with Pentax WG-2 GPS
49
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
provides tracking focus
low frames per second (3.0 frames/s)
sensor resolution low (12 megapixels)
has no phase detect AF
38
good megapixels (16 megapixels)
supports tracking focus
weather sealing
low frames per second (1.0 fps)
lack of shutter priority mode
no image stabilization
sensor size is small (1/2.3")
no phase detect AF
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Travel Comparison

Olympus E-P3 as a Travel photography camera
Pentax WG-2 GPS as a Travel photography camera
60
offers touch to focus
has built in flash
no Timelapse mode
sensor resolution low (12MP)
display is not selfie friendly
70
weather sealing
good megapixels (16MP)
has built in flash
relatively wide (28mm)
doesn't feature selfie friendly display
somewhat slow max aperture (f3.5)
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Landscape Comparison

Olympus E-P3 Landscape photography advice
Pentax WG-2 GPS Landscape photography advice
65
manual focus
switch lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW formats
sensor resolution low (12 megapixels)
no Timelapse mode
47
focusing manually
relatively wide (28mm)
pretty good screen size (3")
good megapixels (16 megapixels)
weather sealing
can't swap lens (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual mode
no image stabilization
sensor size is small (1/2.3")
no RAW format
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Vlogging Comparison

Olympus E-P3 Vlogging advice
Pentax WG-2 GPS Vlogging advice
35
touchscreen functionality
built in image stabilization (Sensor based)
provides face detect focusing
video res high (1920 x 1080 pixels)
display is not selfie friendly
no microphone socket
30
relatively wide (28mm)
supports face detect focusing
video res high (1920 x 1080 resolution)
somewhat slow max aperture (f3.5)
doesn't feature selfie friendly display
no image stabilization
no microphone jack
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Olympus E-P3 vs Pentax WG-2 GPS Specifications

Detailed spec comparison table for Olympus E-P3 and Pentax WG-2 GPS
 Olympus PEN E-P3Pentax Optio WG-2 GPS
General Information
Company Olympus Pentax
Model type Olympus PEN E-P3 Pentax Optio WG-2 GPS
Category Entry-Level Mirrorless Waterproof
Revealed 2011-08-17 2012-02-07
Body design Rangefinder-style mirrorless Compact
Sensor Information
Processor TruePic VI -
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.17 x 4.55mm
Sensor surface area 224.9mm² 28.1mm²
Sensor resolution 12MP 16MP
Anti alias filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Highest resolution 4032 x 3024 4288 x 3216
Highest native ISO 12800 6400
Lowest native ISO 100 125
RAW files
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 35 9
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-140mm (5.0x)
Maximum aperture - f/3.5-5.5
Macro focusing range - 1cm
Available lenses 107 -
Crop factor 2.1 5.8
Screen
Range of display Fixed Type Fixed Type
Display size 3 inches 3 inches
Display resolution 614 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch functionality
Display tech 3:2 OLED with Anti-Fingerprint Coating Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Lowest shutter speed 60 secs 4 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash distance 10.00 m (@ ISO 200) 5.40 m
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Highest flash sync 1/180 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1920x1080
Video data format AVCHD, Motion JPEG MPEG-4, H.264
Microphone input
Headphone input
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 369 grams (0.81 pounds) 198 grams (0.44 pounds)
Dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 122 x 61 x 30mm (4.8" x 2.4" x 1.2")
DXO scores
DXO All around rating 51 not tested
DXO Color Depth rating 20.8 not tested
DXO Dynamic range rating 10.1 not tested
DXO Low light rating 536 not tested
Other
Battery life 330 photographs 260 photographs
Battery format Battery Pack Battery Pack
Battery ID BLS-5 D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC card SD/SDHC/SDXC card, Internal
Storage slots Single Single
Price at launch $0 $300