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Pentax WG-1 vs Ricoh GR Digital III

Portability
93
Imaging
37
Features
31
Overall
34
Pentax Optio WG-1 front
 
Ricoh GR Digital III front
Portability
92
Imaging
34
Features
35
Overall
34

Pentax WG-1 vs Ricoh GR Digital III Key Specs

Pentax WG-1
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • 1280 x 720 video
  • 28-140mm (F3.5-5.5) lens
  • 157g - 114 x 58 x 28mm
  • Launched February 2011
Ricoh GR Digital III
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 208g - 109 x 59 x 26mm
  • Launched July 2009
  • Successor is Ricoh GR Digital IV
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Pentax WG-1 vs Ricoh GR Digital III Overview

Following is a detailed analysis of the Pentax WG-1 vs Ricoh GR Digital III, former is a Waterproof while the latter is a Small Sensor Compact by competitors Pentax and Ricoh. There is a large difference between the resolutions of the WG-1 (14MP) and GR Digital III (10MP) and the WG-1 (1/2.3") and GR Digital III (1/1.7") use different sensor measurements.

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The WG-1 was launched 19 months after the GR Digital III which makes the cameras a generation away from each other. Both of these cameras offer the identical body type (Compact).

Before diving straight into a full comparison, below is a quick summation of how the WG-1 grades versus the GR Digital III with respect to portability, imaging, features and an overall score.

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Reasons to pick Pentax WG-1 over the Ricoh GR Digital III

 WG-1 GR Digital III 
LaunchedFebruary 2011July 2009More modern by 19 months

Reasons to pick Ricoh GR Digital III over the Pentax WG-1

 GR Digital III WG-1 
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution920k230kClearer screen (+690k dot)

Common features in the Pentax WG-1 and Ricoh GR Digital III

 WG-1 GR Digital III 
Focus manually Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Absent Touch screen

Pentax WG-1 vs Ricoh GR Digital III Physical Comparison

If you're aiming to carry around your camera frequently, you will have to take into account its weight and size. The Pentax WG-1 provides external dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") accompanied by a weight of 157 grams (0.35 lbs) and the Ricoh GR Digital III has specifications of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") with a weight of 208 grams (0.46 lbs).

Analyze the Pentax WG-1 vs Ricoh GR Digital III in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you use during that time. Here is the front view over all size comparison of the WG-1 vs the GR Digital III.

Pentax WG-1 vs Ricoh GR Digital III size comparison

Factoring in size and weight, the portability grade of the WG-1 and GR Digital III is 93 and 92 respectively.

Pentax WG-1 vs Ricoh GR Digital III top view buttons comparison

Pentax WG-1 vs Ricoh GR Digital III Sensor Comparison

In many cases, it's hard to imagine the contrast between sensor sizes merely by checking specifications. The image below will provide you a greater sense of the sensor sizes in the WG-1 and GR Digital III.

To sum up, the 2 cameras enjoy different resolutions and different sensor sizes. The WG-1 because of its tinier sensor is going to make achieving shallow depth of field harder and the Pentax WG-1 will resolve more detail utilizing its extra 4 Megapixels. Higher resolution will also help you crop pictures far more aggressively. The more modern WG-1 provides an advantage when it comes to sensor tech.

Pentax WG-1 vs Ricoh GR Digital III sensor size comparison

Pentax WG-1 vs Ricoh GR Digital III Screen and ViewFinder

Pentax WG-1 vs Ricoh GR Digital III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-1 Portrait photography advice
Ricoh GR Digital III Portrait photography advice
35
manual focus
good MP (14MP)
manual exposure not available
cannot use external flash
sensor size is tiny (1/2.3")
does not have RAW format
40
you can focus manually
delivers RAW formats
low megapixels (10MP)
very small sensor size (1/1.7")
Photography Glossary

Street Comparison

Pentax WG-1 Street photography info
Ricoh GR Digital III Street photography info
54
weather proofing
no articulating screen
lack of image stabilization
sensor size is tiny (1/2.3")
does not have RAW format
55
delivers RAW formats
no articulating screen
does not have image stabilization
very small sensor size (1/1.7")
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Sports Comparison

Sports photography with Pentax WG-1
Sports photography with Ricoh GR Digital III
37
good MP (14MP)
includes tracking autofocus
weather proofing
slow fps (1.0 frames per second)
no shutter priority
lack of image stabilization
sensor size is tiny (1/2.3")
does not have phase detect auto focus
17
can't change focal length (28mm)
does not have image stabilization
low megapixels (10 megapixels)
very small sensor size (1/1.7")
has no phase detect autofocus
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Travel Comparison

Pentax WG-1 Travel photography factors
Ricoh GR Digital III Travel photography factors
71
weather proofing
good MP (14 megapixels)
built-in flash
decently wide (28mm)
doesn't feature selfie friendly display
slow maximum aperture (f3.5)
63
built-in flash
very good maximum aperture (f1.9)
low megapixels (10MP)
screen is not selfie friendly
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Landscape Comparison

Pentax WG-1 Landscape photography highlights
Ricoh GR Digital III Landscape photography highlights
42
manual focus
decently wide (28mm)
good MP (14MP)
weather proofing
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
small screen (2.7 inches)
manual exposure not available
lack of image stabilization
sensor size is tiny (1/2.3")
does not have RAW format
45
you can focus manually
very good maximum aperture (f1.9)
decent sized screen (3")
delivers RAW formats
can't swap lenses (fixed lens mount)
can't change focal length (28mm)
does not have image stabilization
low megapixels (10 megapixels)
very small sensor size (1/1.7")
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Vlogging Comparison

Pentax WG-1 as a Vlogging camera
Ricoh GR Digital III as a Vlogging camera
25
decently wide (28mm)
slow maximum aperture (f3.5)
doesn't feature selfie friendly display
lack of image stabilization
low res video (1280 x 720 resolution)
does not have external mic port
25
very good maximum aperture (f1.9)
screen is not selfie friendly
does not have image stabilization
low video resolution (640 x 480 resolution)
doesn't have mic port
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Pentax WG-1 vs Ricoh GR Digital III Specifications

Detailed spec comparison table for Pentax WG-1 and Ricoh GR Digital III
 Pentax Optio WG-1Ricoh GR Digital III
General Information
Brand Name Pentax Ricoh
Model type Pentax Optio WG-1 Ricoh GR Digital III
Category Waterproof Small Sensor Compact
Launched 2011-02-07 2009-07-27
Body design Compact Compact
Sensor Information
Processor - GR engine III
Sensor type CCD CCD
Sensor size 1/2.3" 1/1.7"
Sensor dimensions 6.17 x 4.55mm 7.44 x 5.58mm
Sensor area 28.1mm² 41.5mm²
Sensor resolution 14MP 10MP
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3 and 3:2
Max resolution 4288 x 3216 3648 x 2736
Max native ISO 6400 1600
Lowest native ISO 80 64
RAW data
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 9 -
Lens
Lens support fixed lens fixed lens
Lens zoom range 28-140mm (5.0x) 28mm (1x)
Maximal aperture f/3.5-5.5 f/1.9
Macro focusing range 1cm 1cm
Crop factor 5.8 4.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7 inches 3 inches
Resolution of screen 230k dot 920k dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder type None Optical (optional)
Features
Minimum shutter speed 4 secs 1 secs
Fastest shutter speed 1/1500 secs 1/2000 secs
Continuous shutter speed 1.0 frames/s -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance 3.90 m 3.00 m
Flash settings 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 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 640x480
Video data format Motion JPEG -
Mic jack
Headphone jack
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 157 grams (0.35 lb) 208 grams (0.46 lb)
Dimensions 114 x 58 x 28mm (4.5" x 2.3" x 1.1") 109 x 59 x 26mm (4.3" x 2.3" x 1.0")
DXO scores
DXO Overall 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 260 images -
Battery form Battery Pack -
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC, Internal SD/SDHC, Internal
Storage slots 1 1
Launch price $350 $399