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Panasonic G3 vs Pentax WG-2 GPS

Portability
83
Imaging
51
Features
62
Overall
55
Panasonic Lumix DMC-G3 front
 
Pentax Optio WG-2 GPS front
Portability
91
Imaging
39
Features
37
Overall
38

Panasonic G3 vs Pentax WG-2 GPS Key Specs

Panasonic G3
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Fully Articulated Display
  • ISO 160 - 6400
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 336g - 115 x 84 x 47mm
  • Released July 2011
  • Earlier Model is Panasonic G2
  • New Model is Panasonic G5
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
  • Announced February 2012
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Panasonic G3 vs Pentax WG-2 GPS Overview

The following is a extended review of the Panasonic G3 versus Pentax WG-2 GPS, one is a Entry-Level Mirrorless and the latter is a Waterproof by rivals Panasonic and Pentax. The resolution of the G3 (16MP) and the WG-2 GPS (16MP) is pretty similar but the G3 (Four Thirds) and WG-2 GPS (1/2.3") possess totally different sensor measurements.

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The G3 was announced 7 months prior to the WG-2 GPS which means that they are of a similar generation. Both of these cameras offer different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax WG-2 GPS being a Compact camera.

Before we go in to a step-by-step comparison, below is a concise synopsis of how the G3 grades versus the WG-2 GPS when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Panasonic G3 over the Pentax WG-2 GPS

 G3 WG-2 GPS 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Pentax WG-2 GPS over the Panasonic G3

 WG-2 GPS G3 
AnnouncedFebruary 2012July 2011Newer by 7 months

Common features in the Panasonic G3 and Pentax WG-2 GPS

 G3 WG-2 GPS 
Manually focus Dial accurate focus
Screen sizing3"3"Equivalent screen measurements
Screen resolution460k460kIdentical screen resolution

Panasonic G3 vs Pentax WG-2 GPS Physical Comparison

If you're going to travel with your camera often, you will have to factor its weight and proportions. The Panasonic G3 features outside dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") accompanied by a weight of 336 grams (0.74 lbs) and the Pentax WG-2 GPS has measurements 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 Panasonic G3 versus Pentax WG-2 GPS in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that moment. Underneath is the front view over all size comparison of the G3 compared to the WG-2 GPS.

Panasonic G3 vs Pentax WG-2 GPS size comparison

Taking into account dimensions and weight, the portability grade of the G3 and WG-2 GPS is 83 and 91 respectively.

Panasonic G3 vs Pentax WG-2 GPS top view buttons comparison

Panasonic G3 vs Pentax WG-2 GPS Sensor Comparison

Normally, it is difficult to see the gap between sensor dimensions merely by going over a spec sheet. The image here may give you a greater sense of the sensor sizes in the G3 and WG-2 GPS.

As you can see, both the cameras enjoy the same exact megapixels albeit not the same sensor dimensions. The G3 offers the bigger sensor which is going to make getting shallow depth of field less difficult. The more aged G3 is going to be disadvantaged with regard to sensor innovation.

Panasonic G3 vs Pentax WG-2 GPS sensor size comparison

Panasonic G3 vs Pentax WG-2 GPS Screen and ViewFinder

Panasonic G3 vs Pentax WG-2 GPS Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic G3
Portrait photography with Pentax WG-2 GPS
70
focusing manually
MP count good (16 megapixels)
decent sensor size (Four Thirds)
provides face detect focus
supports RAW files
40
manual focus
resolution is good (16MP)
supports face detection focusing
lack of manual exposure
can't use external flash
very small sensor size (1/2.3")
lacks RAW format
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Street Comparison

Street photography with Panasonic G3
Street photography with Pentax WG-2 GPS
75
fully articulated screen
decent sensor size (Four Thirds)
supports RAW files
comes with touch focus
lack of image stabilization
54
weather proofing
screen is fixed
no image stabilization
very small sensor size (1/2.3")
lacks RAW format
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Sports Comparison

Sports photography with Panasonic G3
Sports photography with Pentax WG-2 GPS
46
MP count good (16 megapixels)
decent sensor size (Four Thirds)
provides tracking focus
very slow continuous shooting (4.0 fps)
lack of image stabilization
terrible battery pack (270 CIPA)
lacks phase detect auto focus
38
resolution is good (16 megapixels)
supports tracking autofocus
weather proofing
max fps low (1.0 frames/s)
no shutter priority mode
no image stabilization
very small sensor size (1/2.3")
lacks phase detect AF
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Travel Comparison

Panasonic G3 Travel photography info
Pentax WG-2 GPS Travel photography info
70
comes with touch focus
MP count good (16MP)
has built in flash
screen is selfie friendly
doesn't have Time Lapse function
terrible battery pack (270 shots)
70
weather proofing
resolution is good (16MP)
flash built-in
quite wide (28mm)
display is not selfie friendly
somewhat slow maximum aperture (f3.5)
Photography Glossary

Landscape Comparison

Landscape photography with Panasonic G3
Landscape photography with Pentax WG-2 GPS
62
focusing manually
interchangeable lenses (Micro Four Thirds mount)
good sized screen (3 inches)
MP count good (16MP)
decent sensor size (Four Thirds)
supports RAW files
lack of image stabilization
terrible battery pack (270 CIPA)
doesn't have Time Lapse function
47
manual focus
quite wide (28mm)
pretty good screen size (3")
resolution is good (16 megapixels)
weather proofing
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
lack of manual exposure
no image stabilization
very small sensor size (1/2.3")
lacks RAW format
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Vlogging Comparison

Vlogging with Panasonic G3
Vlogging with Pentax WG-2 GPS
70
screen is selfie friendly
screen is touchscreen
provides face detect focus
high quality video (1920 x 1080 pixels)
lack of image stabilization
doesn't have mic support
30
quite wide (28mm)
supports face detection focusing
high quality video (1920 x 1080 pxls)
somewhat slow maximum aperture (f3.5)
display is not selfie friendly
no image stabilization
doesn't have external mic port
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Panasonic G3 vs Pentax WG-2 GPS Specifications

Detailed spec comparison table for Panasonic G3 and Pentax WG-2 GPS
 Panasonic Lumix DMC-G3Pentax Optio WG-2 GPS
General Information
Company Panasonic Pentax
Model type Panasonic Lumix DMC-G3 Pentax Optio WG-2 GPS
Type Entry-Level Mirrorless Waterproof
Released 2011-07-11 2012-02-07
Body design SLR-style mirrorless Compact
Sensor Information
Chip Venus Engine FHD -
Sensor type CMOS BSI-CMOS
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.17 x 4.55mm
Sensor area 224.9mm² 28.1mm²
Sensor resolution 16 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Peak resolution 4592 x 3448 4288 x 3216
Highest native ISO 6400 6400
Min native ISO 160 125
RAW support
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 23 9
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 28-140mm (5.0x)
Largest aperture - f/3.5-5.5
Macro focusing distance - 1cm
Amount of lenses 107 -
Crop factor 2.1 5.8
Screen
Display type Fully Articulated Fixed Type
Display sizing 3 inch 3 inch
Display resolution 460 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch capability
Display technology TFT Color LCD with wide-viewing angle Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 1,440 thousand dot -
Viewfinder coverage 100% -
Viewfinder magnification 0.7x -
Features
Minimum shutter speed 60 seconds 4 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 4.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Integrated flash
Flash distance 11.00 m 5.40 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync 1/160 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60fps) 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30fps)) 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
Mic jack
Headphone jack
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 336g (0.74 lb) 198g (0.44 lb)
Dimensions 115 x 84 x 47mm (4.5" x 3.3" x 1.9") 122 x 61 x 30mm (4.8" x 2.4" x 1.2")
DXO scores
DXO Overall rating 56 not tested
DXO Color Depth rating 21.0 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 667 not tested
Other
Battery life 270 photographs 260 photographs
Form of battery Battery Pack Battery Pack
Battery ID - D-LI92
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/SDHC/SDXC card, Internal
Storage slots 1 1
Price at release $500 $300