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Pentax WG-3 vs Ricoh GR III

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Ricoh GR III front
Portability
90
Imaging
69
Features
62
Overall
66

Pentax WG-3 vs Ricoh GR 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
  • Released July 2013
Ricoh GR III
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 102400
  • Sensor-shift Image Stabilization
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • 28mm (F2.8-16) lens
  • 257g - 109 x 62 x 33mm
  • Released September 2018
  • Old Model is Ricoh GR III
  • Successor is Ricoh GR III
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Pentax WG-3 vs Ricoh GR III Overview

Following is a detailed assessment of the Pentax WG-3 and Ricoh GR III, one is a Waterproof and the other is a Large Sensor Compact by brands Pentax and Ricoh. There is a significant difference among the sensor resolutions of the WG-3 (16MP) and GR III (24MP) and the WG-3 (1/2.3") and GR III (APS-C) possess different sensor sizing.

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The WG-3 was introduced 6 years prior to the GR III which is a fairly sizable gap as far as camera tech is concerned. Both cameras offer different body type with the Pentax WG-3 being a Compact camera and the Ricoh GR III being a Large Sensor Compact camera.

Before delving through a in depth comparison, below is a quick overview of how the WG-3 scores vs the GR III when it comes to portability, imaging, features and an overall score.

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

 WG-3 GR III 

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

 GR III WG-3 
ReleasedSeptember 2018July 2013More modern by 63 months
Display resolution1037k460kSharper display (+577k dot)
Touch friendly display Easily navigate

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

 WG-3 GR III 
Manual focus Dial exact focus
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display measurement
Selfie screen Neither includes selfie screen

Pentax WG-3 vs Ricoh GR III Physical Comparison

When you are looking to carry around your camera often, you should think about its weight and size. The Pentax WG-3 features exterior dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) whilst the Ricoh GR III has specifications of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") and a weight of 257 grams (0.57 lbs).

Compare the Pentax WG-3 and Ricoh GR III in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising at that moment. Underneath is the front view proportions comparison of the WG-3 versus the GR III.

Pentax WG-3 vs Ricoh GR III size comparison

Taking into account size and weight, the portability grade of the WG-3 and GR III is 90 and 90 respectively.

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

Pentax WG-3 vs Ricoh GR III Sensor Comparison

Usually, it's tough to picture the contrast in sensor sizes merely by researching specs. The image underneath might offer you a much better sense of the sensor dimensions in the WG-3 and GR III.

As you can plainly see, both of the cameras enjoy different resolutions and different sensor sizes. The WG-3 with its smaller sensor is going to make achieving shallow DOF more difficult and the Ricoh GR III will provide you with extra detail using its extra 8MP. Greater resolution will enable you to crop pics far more aggressively. The more aged WG-3 will be disadvantaged when it comes to sensor innovation.

Pentax WG-3 vs Ricoh GR III sensor size comparison

Pentax WG-3 vs Ricoh GR III Screen and ViewFinder

Pentax WG-3 vs Ricoh GR 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 III
41
has manual focus
good MP (16MP)
has face detection focus
lack of manual mode
can't use external flash
small sensor size (1/2.3")
lacks RAW support
81
has manual focus
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
provides face detect focus
supports RAW formats
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Street Comparison

Pentax WG-3 Street photography features
Ricoh GR III Street photography features
61
built in image stabilization (Sensor-shift)
weather sealing
fixed screen
small sensor size (1/2.3")
lacks RAW support
84
built in image stabilization (Sensor-shift)
sensor size is nice (APS-C)
supports RAW formats
comes with touch focus
lighter than competition in class (257 grams)
good high ISO (102,400)
fixed screen
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Sports Comparison

Pentax WG-3 Sports photography features
Ricoh GR III Sports photography features
45
built in image stabilization (Sensor-shift)
good MP (16 megapixels)
has tracking autofocus
weather sealing
lack of shutter priority mode
small sensor size (1/2.3")
terrible battery (240 CIPA)
lacks phase detect auto focus
76
built in image stabilization (Sensor-shift)
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
provides tracking focus
comes with phase detect auto focus
focal length is fixed (28mm)
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Travel Comparison

Pentax WG-3 as a Travel photography camera
Ricoh GR III as a Travel photography camera
72
weather sealing
good MP (16MP)
built-in flash
relatively wide (25mm)
good maximum aperture (f2.0)
terrible battery (240 shots)
display is not selfie friendly
69
lighter than competition in class (257 grams)
comes with touch focus
megapixel count good (24MP)
does not have Time Lapse mode
display is not selfie friendly
somewhat slow maximum aperture (f2.8)
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Landscape Comparison

Pentax WG-3 Landscape photography features
Ricoh GR III Landscape photography features
54
has manual focus
relatively wide (25mm)
good maximum aperture (f2.0)
screen size is good (3 inches)
built in image stabilization (Sensor-shift)
good MP (16 megapixels)
weather sealing
lens is fixed (fixed lens mount)
lack of manual mode
small sensor size (1/2.3")
lacks RAW support
terrible battery (240 per charge)
69
has manual focus
screen size is good (3 inch)
built in image stabilization (Sensor-shift)
megapixel count good (24 megapixels)
sensor size is nice (APS-C)
doesnt have low pass filter
good high ISO (102,400)
supports RAW formats
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
somewhat slow maximum aperture (f2.8)
does not have Time Lapse mode
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Vlogging Comparison

Pentax WG-3 Vlogging factors
Ricoh GR III Vlogging factors
36
relatively wide (25mm)
good maximum aperture (f2.0)
built in image stabilization (Sensor-shift)
has face detection focus
high res video (1920 x 1080 pxls)
display is not selfie friendly
missing external mic jack
37
screen is touchscreen
built in image stabilization (Sensor-shift)
provides face detect focus
video res high (1920 x 1080 resolution)
lighter than competition in class (257 grams)
somewhat slow maximum aperture (f2.8)
display is not selfie friendly
does not have mic jack
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Pentax WG-3 vs Ricoh GR III Specifications

Detailed spec comparison table for Pentax WG-3 and Ricoh GR III
 Pentax WG-3Ricoh GR III
General Information
Company Pentax Ricoh
Model type Pentax WG-3 Ricoh GR III
Type Waterproof Large Sensor Compact
Released 2013-07-19 2018-09-25
Body design Compact Large Sensor Compact
Sensor Information
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor area 28.1mm² 366.6mm²
Sensor resolution 16MP 24MP
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 1:1 and 3:2
Highest Possible resolution 4608 x 3456 6000 x 4000
Maximum native ISO 6400 102400
Minimum native ISO 125 100
RAW images
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 9 -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-100mm (4.0x) 28mm (1x)
Highest aperture f/2.0-4.9 f/2.8-16
Macro focusing distance 1cm 6cm
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inch 3 inch
Display resolution 460 thousand dot 1,037 thousand dot
Selfie friendly
Liveview
Touch operation
Display technology Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder type None Optical (optional)
Features
Min shutter speed 4 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 10.0fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set WB
Image stabilization
Built-in flash
Flash distance 3.40 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Soft Auto, Flash On, Flash On+Red-eye, Slow-speed Sync, Slow Sync+Red-eye
Hot shoe
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 1920 x 1080 @ 60p, MOV, H.264, Linear PCM
Maximum video resolution 1920x1080 1920x1080
Video file format MPEG-4, H.264 MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 230g (0.51 pounds) 257g (0.57 pounds)
Dimensions 124 x 64 x 33mm (4.9" x 2.5" x 1.3") 109 x 62 x 33mm (4.3" x 2.4" x 1.3")
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 240 photographs -
Style of battery Battery Pack -
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes
Time lapse recording
Storage media SD/SDHC/SDXC card, Internal Internal, SD/SDHC/SDXC (UHS-I supported)
Storage slots Single Single
Pricing at release $300 $900