Pentax WG-2 GPS vs Ricoh GR Digital III
91 Imaging
39 Features
37 Overall
38


92 Imaging
34 Features
35 Overall
34
Pentax WG-2 GPS vs Ricoh GR Digital III Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 6400
- 1920 x 1080 video
- 28-140mm (F3.5-5.5) lens
- 198g - 122 x 61 x 30mm
- Released February 2012
(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
- Updated by Ricoh GR Digital IV

Pentax WG-2 GPS vs Ricoh GR Digital III Overview
In this write-up, we will be analyzing the Pentax WG-2 GPS vs Ricoh GR Digital III, one being a Waterproof and the latter is a Small Sensor Compact by brands Pentax and Ricoh. There is a huge difference between the image resolutions of the WG-2 GPS (16MP) and GR Digital III (10MP) and the WG-2 GPS (1/2.3") and GR Digital III (1/1.7") enjoy different sensor size.

The WG-2 GPS was revealed 2 years later than the GR Digital III and that is quite a significant gap as far as tech is concerned. Both cameras offer the identical body type (Compact).
Before getting in to a in-depth comparison, below is a quick overview of how the WG-2 GPS grades against the GR Digital III with regards to portability, imaging, features and an overall rating.

Pentax WG-2 GPS vs Ricoh GR Digital III Gallery
Below is a preview of the gallery images for Pentax Optio WG-2 GPS and Ricoh GR Digital III. The full galleries are available at Pentax WG-2 GPS Gallery and Ricoh GR Digital III Gallery.
Reasons to pick Pentax WG-2 GPS over the Ricoh GR Digital III
WG-2 GPS | GR Digital III | |||
---|---|---|---|---|
Launched | February 2012 | ![]() | July 2009 | Fresher by 31 months |
Reasons to pick Ricoh GR Digital III over the Pentax WG-2 GPS
GR Digital III | WG-2 GPS | |||
---|---|---|---|---|
Screen resolution | 920k | ![]() | 460k | Crisper screen (+460k dot) |
Common features in the Pentax WG-2 GPS and Ricoh GR Digital III
WG-2 GPS | GR Digital III | |||
---|---|---|---|---|
Focus manually | ![]() | Dial accurate focus | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen sizing | 3" | ![]() | 3" | Equivalent screen size |
Selfie screen | ![]() | Neither includes selfie screen | ||
Touch friendly screen | ![]() | Lack of Touch friendly screen |
Pentax WG-2 GPS vs Ricoh GR Digital III Physical Comparison
In case you're going to carry your camera regularly, you will need to take into account its weight and size. The Pentax WG-2 GPS features exterior measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 198 grams (0.44 lbs) whilst the Ricoh GR Digital III has specifications of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") along with a weight of 208 grams (0.46 lbs).
Take a look at the Pentax WG-2 GPS vs Ricoh GR Digital III in the latest Camera and Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with during that time. Below is the front view scale comparison of the WG-2 GPS and the GR Digital III.

Looking at size and weight, the portability score of the WG-2 GPS and GR Digital III is 91 and 92 respectively.

Pentax WG-2 GPS vs Ricoh GR Digital III Sensor Comparison
Oftentimes, it's tough to picture the gap between sensor sizing merely by reviewing specs. The graphic below will help offer you a far better sense of the sensor sizing in the WG-2 GPS and GR Digital III.
As you can plainly see, both the cameras offer different megapixels and different sensor sizing. The WG-2 GPS using its tinier sensor is going to make getting shallower DOF trickier and the Pentax WG-2 GPS will offer you greater detail because of its extra 6MP. Higher resolution can also allow you to crop pictures a little more aggressively. The newer WG-2 GPS provides an edge in sensor technology.

Pentax WG-2 GPS vs Ricoh GR Digital III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax WG-2 GPS vs Ricoh GR Digital III Specifications
Pentax Optio WG-2 GPS | Ricoh GR Digital III | |
---|---|---|
General Information | ||
Company | Pentax | Ricoh |
Model type | Pentax Optio WG-2 GPS | Ricoh GR Digital III |
Type | Waterproof | Small Sensor Compact |
Released | 2012-02-07 | 2009-07-27 |
Body design | 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 surface area | 28.1mm² | 41.5mm² |
Sensor resolution | 16MP | 10MP |
Anti alias filter | ||
Aspect ratio | 1:1, 4:3 and 16:9 | 1:1, 4:3 and 3:2 |
Highest Possible resolution | 4288 x 3216 | 3648 x 2736 |
Maximum native ISO | 6400 | 1600 |
Min native ISO | 125 | 64 |
RAW support | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Total focus points | 9 | - |
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 28-140mm (5.0x) | 28mm (1x) |
Maximum aperture | f/3.5-5.5 | f/1.9 |
Macro focusing distance | 1cm | 1cm |
Crop factor | 5.8 | 4.8 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen size | 3 inches | 3 inches |
Screen resolution | 460k dot | 920k dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen tech | Widescreen TFT color LCD with anti-reflective coating | - |
Viewfinder Information | ||
Viewfinder type | None | Optical (optional) |
Features | ||
Min shutter speed | 4s | 1s |
Max shutter speed | 1/4000s | 1/2000s |
Continuous shutter speed | 1.0 frames/s | - |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | - | Yes |
Custom WB | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 5.40 m | 3.00 m |
Flash settings | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-Eye, Slow Sync, Manual |
External flash | ||
AE bracketing | ||
White balance 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 (30fps), 320 x 240 (30, 15 fps) | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Maximum video resolution | 1920x1080 | 640x480 |
Video data format | MPEG-4, H.264 | - |
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 | BuiltIn | None |
Physical | ||
Environment seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 198 grams (0.44 pounds) | 208 grams (0.46 pounds) |
Dimensions | 122 x 61 x 30mm (4.8" x 2.4" x 1.2") | 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 photos | - |
Type of battery | Battery Pack | - |
Battery ID | D-LI92 | - |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SD/SDHC/SDXC card, Internal | SD/SDHC, Internal |
Storage slots | One | One |
Cost at release | $300 | $399 |