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Pentax WG-3 vs Ricoh GR Digital III

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Pentax WG-3 vs Ricoh GR Digital III 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
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
  • Launched July 2009
  • Updated by Ricoh GR Digital IV
Photography Glossary

Pentax WG-3 vs Ricoh GR Digital III Overview

Here, we are looking at the Pentax WG-3 versus Ricoh GR Digital III, one is a Waterproof and the other is a Small Sensor Compact by rivals Pentax and Ricoh. There exists a crucial gap among the sensor resolutions of the WG-3 (16MP) and GR Digital III (10MP) and the WG-3 (1/2.3") and GR Digital III (1/1.7") have totally different sensor measurements.

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The WG-3 was released 4 years after the GR Digital III which is a fairly serious gap as far as camera technology is concerned. Each of the cameras feature the same body design (Compact).

Before diving into a in-depth comparison, here is a simple overview of how the WG-3 scores vs the GR Digital III in terms of portability, imaging, features and an overall mark.

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

 WG-3 GR Digital III 
LaunchedJuly 2013July 2009Newer by 49 months

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

 GR Digital III WG-3 
Display resolution920k460kClearer display (+460k dot)

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

 WG-3 GR Digital III 
Manually focus Dial accurate focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display measurements
Selfie screen Missing selfie screen
Touch friendly display Missing Touch friendly display

Pentax WG-3 vs Ricoh GR Digital III Physical Comparison

For anybody who is aiming to travel with your camera frequently, you will need to factor in its weight and size. The Pentax WG-3 enjoys physical dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) and the Ricoh GR Digital III has specifications of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") accompanied by a weight of 208 grams (0.46 lbs).

Analyze the Pentax WG-3 versus Ricoh GR Digital III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that time. Following is a front view dimensions comparison of the WG-3 against the GR Digital III.

Pentax WG-3 vs Ricoh GR Digital III size comparison

Factoring in dimensions and weight, the portability score of the WG-3 and GR Digital III is 90 and 92 respectively.

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

Pentax WG-3 vs Ricoh GR Digital III Sensor Comparison

More often than not, it can be hard to see the gap in sensor dimensions only by viewing a spec sheet. The picture here may give you a much better sense of the sensor dimensions in the WG-3 and GR Digital III.

Clearly, each of these cameras come with different megapixel count and different sensor dimensions. The WG-3 due to its smaller sensor will make getting shallow DOF more difficult and the Pentax WG-3 will render greater detail as a result of its extra 6MP. Greater resolution will also enable you to crop photos a good deal more aggressively. The more recent WG-3 will have an advantage in sensor tech.

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

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

Pentax WG-3 vs Ricoh GR Digital III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax WG-3
Portrait photography with Ricoh GR Digital III
41
you can focus manually
decent sensor resolution (16 megapixels)
has face detection autofocus
no manual control
can't use external flash
tiny sensor size (1/2.3")
lack of RAW files
40
you can focus manually
saves RAW formats
low megapixels (10MP)
tiny sensor (1/1.7")
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Street Comparison

Pentax WG-3 Street photography info
Ricoh GR Digital III Street photography info
61
has image stabilization (Sensor-shift)
environment proofing
no moving screen
tiny sensor size (1/2.3")
lack of RAW files
55
saves RAW formats
screen is fixed
does not have image stabilization
tiny sensor (1/1.7")
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Sports Comparison

Sports photography with Pentax WG-3
Sports photography with Ricoh GR Digital III
45
has image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
has tracking autofocus
environment proofing
no shutter priority
tiny sensor size (1/2.3")
not so great battery (240 shots)
lack of phase detect autofocus
17
focal length is fixed (28mm)
does not have image stabilization
low megapixels (10MP)
tiny sensor (1/1.7")
doesn't have phase detect AF
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Travel Comparison

Pentax WG-3 Travel photography info
Ricoh GR Digital III Travel photography info
72
environment proofing
decent sensor resolution (16MP)
built-in flash
pretty wide (25mm)
good maximum aperture (f2.0)
not so great battery (240 per charge)
doesn't feature selfie friendly screen
63
flash built-in
fast max aperture (f1.9)
low megapixels (10 megapixels)
doesn't offer selfie friendly display
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Landscape Comparison

Pentax WG-3 Landscape photography information
Ricoh GR Digital III Landscape photography information
54
you can focus manually
pretty wide (25mm)
good maximum aperture (f2.0)
decent sized screen (3 inches)
has image stabilization (Sensor-shift)
decent sensor resolution (16MP)
environment proofing
lens is fixed (fixed lens mount)
no manual control
tiny sensor size (1/2.3")
lack of RAW files
not so great battery (240 shots)
45
you can focus manually
fast max aperture (f1.9)
screen size is good (3 inch)
saves RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
does not have image stabilization
low megapixels (10 megapixels)
tiny sensor (1/1.7")
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Vlogging Comparison

Pentax WG-3 as a Vlogging camera
Ricoh GR Digital III as a Vlogging camera
36
pretty wide (25mm)
good maximum aperture (f2.0)
has image stabilization (Sensor-shift)
has face detection autofocus
video res high (1920 x 1080 pxls)
doesn't feature selfie friendly screen
doesn't have external microphone jack
25
fast max aperture (f1.9)
doesn't offer selfie friendly display
does not have image stabilization
low video resolution (640 x 480 pixels)
no external microphone socket
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Pentax WG-3 vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Pentax WG-3 and Ricoh GR Digital III
 Pentax WG-3Ricoh GR Digital III
General Information
Manufacturer Pentax Ricoh
Model type Pentax WG-3 Ricoh GR Digital III
Category Waterproof Small Sensor Compact
Announced 2013-07-19 2009-07-27
Physical type Compact Compact
Sensor Information
Powered by - GR engine III
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" 1/1.7"
Sensor measurements 6.17 x 4.55mm 7.44 x 5.58mm
Sensor area 28.1mm² 41.5mm²
Sensor resolution 16 megapixel 10 megapixel
Anti alias 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
Minimum native ISO 125 64
RAW photos
Autofocusing
Focus manually
AF touch
AF continuous
AF single
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 -
Lens
Lens support fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 28mm (1x)
Maximum aperture f/2.0-4.9 f/1.9
Macro focusing range 1cm 1cm
Crop factor 5.8 4.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 460k dots 920k dots
Selfie friendly
Liveview
Touch function
Display tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder type None Optical (optional)
Features
Slowest shutter speed 4 secs 1 secs
Maximum shutter speed 1/4000 secs 1/2000 secs
Continuous shooting rate 10.0 frames per sec -
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 3.40 m 3.00 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
AE bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
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 -
Microphone port
Headphone port
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 230g (0.51 pounds) 208g (0.46 pounds)
Physical dimensions 124 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 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 type Battery Pack -
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC card, Internal SD/SDHC, Internal
Card slots One One
Pricing at launch $300 $399