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Pentax WG-3 GPS vs Ricoh GR Digital III

Portability
90
Imaging
40
Features
43
Overall
41
Pentax WG-3 GPS front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Pentax WG-3 GPS vs Ricoh GR Digital III Key Specs

Pentax WG-3 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 238g - 125 x 64 x 33mm
  • Introduced July 2013
Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Announced July 2009
  • Replacement is Ricoh GR Digital IV
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Pentax WG-3 GPS vs Ricoh GR Digital III Overview

Below is a in depth overview of the Pentax WG-3 GPS versus Ricoh GR Digital III, former being a Waterproof while the other is a Small Sensor Compact by rivals Pentax and Ricoh. There is a noticeable difference among the sensor resolutions of the WG-3 GPS (16MP) and GR Digital III (10MP) and the WG-3 GPS (1/2.3") and GR Digital III (1/1.7") enjoy totally different sensor dimensions.

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The WG-3 GPS was released 4 years later than the GR Digital III and that is a fairly sizable difference as far as camera tech is concerned. Both of the cameras offer the identical body type (Compact).

Before going straight into a in-depth comparison, below is a short summation of how the WG-3 GPS scores vs the GR Digital III in terms of portability, imaging, features and an overall grade.

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Reasons to pick Pentax WG-3 GPS over the Ricoh GR Digital III

 WG-3 GPS GR Digital III 
AnnouncedJuly 2013July 2009More recent by 49 months

Reasons to pick Ricoh GR Digital III over the Pentax WG-3 GPS

 GR Digital III WG-3 GPS 
Display resolution920k460kCrisper display (+460k dot)

Common features in the Pentax WG-3 GPS and Ricoh GR Digital III

 WG-3 GPS GR Digital III 
Focus manually Very exact focusing
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display sizing
Selfie screen Neither contains selfie screen
Touch friendly display Absent Touch friendly display

Pentax WG-3 GPS vs Ricoh GR Digital III Physical Comparison

When you are planning to lug around your camera often, you need to consider its weight and proportions. The Pentax WG-3 GPS has got outer measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) and the Ricoh GR Digital III has measurements of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") and a weight of 208 grams (0.46 lbs).

Analyze the Pentax WG-3 GPS versus Ricoh GR Digital III in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ dependant on the lens you select during that time. Here is the front view over all size comparison of the WG-3 GPS compared to the GR Digital III.

Pentax WG-3 GPS vs Ricoh GR Digital III size comparison

Considering size and weight, the portability rating of the WG-3 GPS and GR Digital III is 90 and 92 respectively.

Pentax WG-3 GPS vs Ricoh GR Digital III top view buttons comparison

Pentax WG-3 GPS vs Ricoh GR Digital III Sensor Comparison

In many cases, its hard to see the gap in sensor measurements purely by viewing a spec sheet. The photograph underneath will offer you a far better sense of the sensor sizing in the WG-3 GPS and GR Digital III.

As you can see, both of the cameras enjoy different resolutions and different sensor measurements. The WG-3 GPS due to its smaller sensor will make achieving shallow depth of field more difficult and the Pentax WG-3 GPS will result in greater detail as a result of its extra 6MP. Greater resolution will allow you to crop photos far more aggressively. The newer WG-3 GPS will have an edge when it comes to sensor technology.

Pentax WG-3 GPS vs Ricoh GR Digital III sensor size comparison

Pentax WG-3 GPS vs Ricoh GR Digital III Screen and ViewFinder

Pentax WG-3 GPS vs Ricoh GR Digital III Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax WG-3 GPS Portrait photography info
Ricoh GR Digital III Portrait photography info
41
manual focus
decent sensor resolution (16MP)
has face detection focusing
manual exposure not possible
external flash not possible
tiny sensor (1/2.3")
has no RAW format
40
you can focus manually
saves RAW files
megapixel count low (10 megapixels)
tiny sensor size (1/1.7")
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Street Comparison

Street photography with Pentax WG-3 GPS
Street photography with Ricoh GR Digital III
59
has image stabilization (Sensor-shift)
weather sealing
no moving screen
tiny sensor (1/2.3")
has no RAW format
more heavy than average (238 grams)
55
saves RAW files
screen is fixed
lack of image stabilization
tiny sensor size (1/1.7")
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Sports Comparison

Sports photography with Pentax WG-3 GPS
Sports photography with Ricoh GR Digital III
45
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
has tracking autofocus
weather sealing
no shutter priority
tiny sensor (1/2.3")
low battery pack (240 per charge)
has no phase detect AF
17
can't change focal length (28mm)
lack of image stabilization
megapixel count low (10 megapixels)
tiny sensor size (1/1.7")
doesn't have phase detect autofocus
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Travel Comparison

Pentax WG-3 GPS as a Travel photography camera
Ricoh GR Digital III as a Travel photography camera
69
weather sealing
decent sensor resolution (16 megapixels)
flash built-in
rather wide (25mm)
great max aperture (f2.0)
low battery pack (240 CIPA)
more heavy than average (238g)
does not offer selfie friendly screen
63
built-in flash
good max aperture (f1.9)
megapixel count low (10MP)
doesn't contain selfie friendly screen
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Landscape Comparison

Pentax WG-3 GPS as a Landscape photography camera
Ricoh GR Digital III as a Landscape photography camera
54
manual focus
rather wide (25mm)
great max aperture (f2.0)
screen is a decent size (3 inch)
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
weather sealing
can't change lenses (fixed lens mount)
manual exposure not possible
tiny sensor (1/2.3")
has no RAW format
low battery pack (240 per charge)
45
you can focus manually
good max aperture (f1.9)
decent sized screen (3 inch)
saves RAW files
fixed lens (fixed lens mount)
can't change focal length (28mm)
lack of image stabilization
megapixel count low (10 megapixels)
tiny sensor size (1/1.7")
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Vlogging Comparison

Pentax WG-3 GPS Vlogging details
Ricoh GR Digital III Vlogging details
34
rather wide (25mm)
great max aperture (f2.0)
has image stabilization (Sensor-shift)
has face detection focusing
video resolution high (1920 x 1080 resolution)
does not offer selfie friendly screen
doesn't have external microphone support
more heavy than average (238 grams)
25
good max aperture (f1.9)
doesn't contain selfie friendly screen
lack of image stabilization
video resolution low (640 x 480 resolution)
lack of mic jack
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Pentax WG-3 GPS vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Pentax WG-3 GPS and Ricoh GR Digital III
 Pentax WG-3 GPSRicoh GR Digital III
General Information
Brand Name Pentax Ricoh
Model Pentax WG-3 GPS Ricoh GR Digital III
Class Waterproof Small Sensor Compact
Introduced 2013-07-19 2009-07-27
Body design Compact Compact
Sensor Information
Processor - GR engine III
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" 1/1.7"
Sensor dimensions 6.17 x 4.55mm 7.44 x 5.58mm
Sensor surface area 28.1mm² 41.5mm²
Sensor resolution 16 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3 and 3:2
Full resolution 4608 x 3456 3648 x 2736
Max native ISO 6400 1600
Min native ISO 125 64
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 -
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-100mm (4.0x) 28mm (1x)
Maximum aperture f/2.0-4.9 f/1.9
Macro focus distance 1cm 1cm
Focal length multiplier 5.8 4.8
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 3" 3"
Screen resolution 460k dot 920k dot
Selfie friendly
Liveview
Touch functionality
Screen technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder None Optical (optional)
Features
Slowest shutter speed 4 seconds 1 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash range 3.40 m 3.00 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1920x1080 640x480
Video file format MPEG-4, H.264 -
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS BuiltIn None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 238g (0.52 lbs) 208g (0.46 lbs)
Dimensions 125 x 64 x 33mm (4.9" x 2.5" x 1.3") 109 x 59 x 26mm (4.3" x 2.3" x 1.0")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 240 images -
Battery format Battery Pack -
Battery model D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC card, Internal SD/SDHC, Internal
Storage slots One One
Cost at launch $350 $399