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Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Ricoh GXR GR Lens A12 28mm F2.5 front
Portability
88
Imaging
53
Features
37
Overall
46

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 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
  • Revealed July 2013
Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Released September 2010
Photography Glossary

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Overview

Here is a thorough overview of the Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5, one being a Waterproof and the latter is a Advanced Mirrorless by companies Pentax and Ricoh. There exists a sizeable gap among the resolutions of the WG-3 (16MP) and GXR GR Lens A12 28mm F2.5 (12MP) and the WG-3 (1/2.3") and GXR GR Lens A12 28mm F2.5 (APS-C) have totally different sensor sizing.

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The WG-3 was brought out 2 years later than the GXR GR Lens A12 28mm F2.5 and that is a fairly large gap as far as camera technology is concerned. Both of these cameras feature different body design with the Pentax WG-3 being a Compact camera and the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera.

Before getting straight to a in depth comparison, here is a simple introduction of how the WG-3 scores vs the GXR GR Lens A12 28mm F2.5 for portability, imaging, features and an overall rating.

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Reasons to pick Pentax WG-3 over the Ricoh GXR GR Lens A12 28mm F2.5

 WG-3 GXR GR Lens A12 28mm F2.5 
ReleasedJuly 2013September 2010Fresher by 35 months

Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Pentax WG-3

 GXR GR Lens A12 28mm F2.5 WG-3 
Screen resolution920k460kCrisper screen (+460k dot)

Common features in the Pentax WG-3 and Ricoh GXR GR Lens A12 28mm F2.5

 WG-3 GXR GR Lens A12 28mm F2.5 
Manual focus Dial accurate focusing
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen measurement
Selfie screen Neither offers selfie screen
Touch screen Absent Touch screen

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Physical Comparison

For those who are intending to carry your camera, you'll have to factor its weight and dimensions. The Pentax WG-3 offers outer dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 230 grams (0.51 lbs) while the Ricoh GXR GR Lens A12 28mm F2.5 has dimensions of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") with a weight of 140 grams (0.31 lbs).

See the Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that moment. Following is a front view measurement comparison of the WG-3 against the GXR GR Lens A12 28mm F2.5.

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 size comparison

Looking at dimensions and weight, the portability rating of the WG-3 and GXR GR Lens A12 28mm F2.5 is 90 and 88 respectively.

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 top view buttons comparison

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Sensor Comparison

Typically, it's difficult to envision the gap in sensor sizing just by looking through specifications. The photograph here should offer you a much better sense of the sensor dimensions in the WG-3 and GXR GR Lens A12 28mm F2.5.

Plainly, both of these cameras come with different resolutions and different sensor sizing. The WG-3 because of its smaller sensor will make getting shallower depth of field trickier and the Pentax WG-3 will render greater detail having its extra 4 Megapixels. Higher resolution will also help you crop photographs a good deal more aggressively. The fresher WG-3 is going to have an advantage when it comes to sensor innovation.

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 sensor size comparison

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and ViewFinder

Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 Portrait photography highlights
Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography highlights
41
focusing manually
good resolution (16MP)
provides face detection autofocus
no manual control
no external flash support
sensor size is very small (1/2.3")
lacks RAW support
58
manual focus
sensor size is decent (APS-C)
provides face detection autofocus
saves RAW files
doesn't have liveview
megapixel count low (12MP)
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Street Comparison

Pentax WG-3 Street photography information
Ricoh GXR GR Lens A12 28mm F2.5 Street photography information
61
has image stabilization (Sensor-shift)
weather sealing
screen does not articulate
sensor size is very small (1/2.3")
lacks RAW support
70
sensor size is decent (APS-C)
saves RAW files
lighter than competition (140 grams)
fixed screen
does not have image stabilization
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Sports Comparison

Pentax WG-3 Sports photography highlights
Ricoh GXR GR Lens A12 28mm F2.5 Sports photography highlights
45
has image stabilization (Sensor-shift)
good resolution (16 megapixels)
provides tracking autofocus
weather sealing
no shutter priority
sensor size is very small (1/2.3")
low battery pack (240 shots)
lacks phase detect autofocus
32
sensor size is decent (APS-C)
focal length is fixed (28mm)
doesn't have liveview
continuous shooting slow (5.0 frames/s)
does not have image stabilization
megapixel count low (12 megapixels)
low battery (320 CIPA)
lack of phase detect autofocus
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Travel Comparison

Pentax WG-3 Travel photography details
Ricoh GXR GR Lens A12 28mm F2.5 Travel photography details
72
weather sealing
good resolution (16MP)
has built in flash
decently wide (25mm)
good maximum aperture (f2.0)
low battery pack (240 shots)
display isn't selfie friendly
59
lighter than competition (140 grams)
built-in flash
low battery (320 per charge)
megapixel count low (12 megapixels)
doesn't contain selfie friendly display
somewhat slow maximum aperture (f2.5)
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Landscape Comparison

Pentax WG-3 Landscape photography details
Ricoh GXR GR Lens A12 28mm F2.5 Landscape photography details
54
focusing manually
decently wide (25mm)
good maximum aperture (f2.0)
screen size is good (3 inch)
has image stabilization (Sensor-shift)
good resolution (16 megapixels)
weather sealing
cannot switch lens (fixed lens mount)
no manual control
sensor size is very small (1/2.3")
lacks RAW support
low battery pack (240 CIPA)
48
manual focus
nice screen size (3 inches)
sensor size is decent (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
somewhat slow maximum aperture (f2.5)
doesn't have liveview
does not have image stabilization
megapixel count low (12 megapixels)
low battery (320 shots)
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Vlogging Comparison

Pentax WG-3 as a Vlogging camera
Ricoh GXR GR Lens A12 28mm F2.5 as a Vlogging camera
36
decently wide (25mm)
good maximum aperture (f2.0)
has image stabilization (Sensor-shift)
provides face detection autofocus
high video quality (1920 x 1080 resolution)
display isn't selfie friendly
does not have external mic jack
28
provides face detection autofocus
lighter than competition (140g)
somewhat slow maximum aperture (f2.5)
doesn't contain selfie friendly display
does not have image stabilization
video res low (1280 x 720 pxls)
missing external microphone port
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Pentax WG-3 vs Ricoh GXR GR Lens A12 28mm F2.5 Specifications

Detailed spec comparison table for Pentax WG-3 and Ricoh GXR GR Lens A12 28mm F2.5
 Pentax WG-3Ricoh GXR GR Lens A12 28mm F2.5
General Information
Brand Pentax Ricoh
Model Pentax WG-3 Ricoh GXR GR Lens A12 28mm F2.5
Type Waterproof Advanced Mirrorless
Revealed 2013-07-19 2010-09-21
Body design Compact Rangefinder-style mirrorless
Sensor Information
Chip - GR Engine III
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.6 x 15.7mm
Sensor area 28.1mm² 370.5mm²
Sensor resolution 16 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 4608 x 3456 4288 x 2848
Highest native ISO 6400 3200
Min native ISO 125 200
RAW format
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 -
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-100mm (4.0x) 28mm (1x)
Max aperture f/2.0-4.9 f/2.5
Macro focus distance 1cm -
Focal length multiplier 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3" 3"
Display resolution 460k dot 920k dot
Selfie friendly
Liveview
Touch functionality
Display tech Widescreen TFT color LCD with anti-reflective coating TFT color LCD
Viewfinder Information
Viewfinder None Electronic (optional)
Features
Slowest shutter speed 4 seconds 180 seconds
Maximum shutter speed 1/4000 seconds 1/3200 seconds
Continuous shooting speed 10.0fps 5.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change WB
Image stabilization
Built-in flash
Flash range 3.40 m -
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
AEB
WB 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) 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps)
Highest video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 MPEG-4
Microphone 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
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 230 grams (0.51 lbs) 140 grams (0.31 lbs)
Physical dimensions 124 x 64 x 33mm (4.9" x 2.5" x 1.3") 113 x 70 x 56mm (4.4" x 2.8" x 2.2")
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 photographs 320 photographs
Battery form Battery Pack Battery Pack
Battery model D-LI92 DB-90
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, 10 sec (3 images) )
Time lapse feature
Storage media SD/SDHC/SDXC card, Internal SD/SDHC, Internal
Storage slots Single Single
Retail cost $300 $566