Olympus E-P1 vs Pentax WG-1 GPS
86 Imaging
46 Features
42 Overall
44


93 Imaging
37 Features
31 Overall
34
Olympus E-P1 vs Pentax WG-1 GPS Key Specs
(Full Review)
- 12MP - Four Thirds Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1280 x 720 video
- Micro Four Thirds Mount
- 355g - 121 x 70 x 36mm
- Revealed July 2009
- Later Model is Olympus E-P2
(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
- 167g - 116 x 59 x 29mm
- Announced August 2011

Olympus E-P1 vs Pentax WG-1 GPS Overview
On this page, we will be analyzing the Olympus E-P1 and Pentax WG-1 GPS, former is a Entry-Level Mirrorless while the latter is a Waterproof by rivals Olympus and Pentax. The resolution of the E-P1 (12MP) and the WG-1 GPS (14MP) is pretty well matched but the E-P1 (Four Thirds) and WG-1 GPS (1/2.3") posses totally different sensor size.

The E-P1 was launched 24 months before the WG-1 GPS which makes them a generation away from each other. Both cameras have different body design with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Pentax WG-1 GPS being a Compact camera.
Before delving into a in depth comparison, here is a concise overview of how the E-P1 grades against the WG-1 GPS in the way of portability, imaging, features and an overall score.

Olympus E-P1 vs Pentax WG-1 GPS Gallery
The following is a preview of the gallery images for Olympus PEN E-P1 & Pentax Optio WG-1 GPS. The complete galleries are provided at Olympus E-P1 Gallery & Pentax WG-1 GPS Gallery.
Reasons to pick Olympus E-P1 over the Pentax WG-1 GPS
E-P1 | WG-1 GPS | |||
---|---|---|---|---|
Screen dimensions | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Reasons to pick Pentax WG-1 GPS over the Olympus E-P1
WG-1 GPS | E-P1 | |||
---|---|---|---|---|
Announced | August 2011 | ![]() | July 2009 | More modern by 24 months |
Common features in the Olympus E-P1 and Pentax WG-1 GPS
E-P1 | WG-1 GPS | |||
---|---|---|---|---|
Focus manually | ![]() | More exact focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Screen resolution | 230k | ![]() | 230k | Equal screen resolution |
Selfie screen | ![]() | Neither contains selfie screen | ||
Touch friendly screen | ![]() | Absent Touch friendly screen |
Olympus E-P1 vs Pentax WG-1 GPS Physical Comparison
For anybody who is aiming to carry around your camera, you are going to need to consider its weight and proportions. The Olympus E-P1 has got outside measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") having a weight of 355 grams (0.78 lbs) and the Pentax WG-1 GPS has measurements of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") having a weight of 167 grams (0.37 lbs).
Examine the Olympus E-P1 and Pentax WG-1 GPS in our newest Camera plus Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary based on the lens you are utilising at the time. Below is a front view dimensions comparison of the E-P1 vs the WG-1 GPS.

Taking into account size and weight, the portability score of the E-P1 and WG-1 GPS is 86 and 93 respectively.

Olympus E-P1 vs Pentax WG-1 GPS Sensor Comparison
Generally, it can be difficult to see the difference between sensor sizes simply by looking at specs. The image here should provide you a clearer sense of the sensor sizing in the E-P1 and WG-1 GPS.
All in all, the 2 cameras have different resolutions and different sensor sizes. The E-P1 due to its bigger sensor will make achieving bokeh simpler and the Pentax WG-1 GPS will resolve greater detail utilizing its extra 2 Megapixels. Higher resolution will also allow you to crop photographs a bit more aggressively. The more aged E-P1 is going to be disadvantaged with regard to sensor innovation.

Olympus E-P1 vs Pentax WG-1 GPS Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-P1 vs Pentax WG-1 GPS Specifications
Olympus PEN E-P1 | Pentax Optio WG-1 GPS | |
---|---|---|
General Information | ||
Manufacturer | Olympus | Pentax |
Model | Olympus PEN E-P1 | Pentax Optio WG-1 GPS |
Category | Entry-Level Mirrorless | Waterproof |
Revealed | 2009-07-29 | 2011-08-16 |
Physical type | Rangefinder-style mirrorless | Compact |
Sensor Information | ||
Processor Chip | TruePic V | - |
Sensor type | CMOS | CCD |
Sensor size | Four Thirds | 1/2.3" |
Sensor measurements | 17.3 x 13mm | 6.17 x 4.55mm |
Sensor area | 224.9mm² | 28.1mm² |
Sensor resolution | 12 megapixel | 14 megapixel |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | - |
Highest resolution | 4032 x 3024 | 4288 x 3216 |
Highest native ISO | 6400 | 6400 |
Lowest native ISO | 100 | 80 |
RAW pictures | ||
Autofocusing | ||
Manual focus | ||
Autofocus touch | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | 11 | 9 |
Lens | ||
Lens mounting type | Micro Four Thirds | fixed lens |
Lens focal range | - | 28-140mm (5.0x) |
Highest aperture | - | f/3.5-5.5 |
Macro focus distance | - | 1cm |
Total lenses | 107 | - |
Focal length multiplier | 2.1 | 5.8 |
Screen | ||
Type of display | Fixed Type | Fixed Type |
Display sizing | 3 inch | 2.7 inch |
Resolution of display | 230 thousand dots | 230 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Display tech | HyperCrystal LCD with AR(Anti-Reflective) coating | TFT color LCD with Anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Slowest shutter speed | 60 secs | 4 secs |
Maximum shutter speed | 1/4000 secs | 1/1500 secs |
Continuous shooting rate | 3.0 frames per sec | 1.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | - |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | no built-in flash | 3.90 m |
Flash options | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | Auto, On, Off, Red-eye, Soft |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Maximum flash synchronize | 1/180 secs | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Highest video resolution | 1280x720 | 1280x720 |
Video format | Motion JPEG | Motion JPEG |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | BuiltIn |
Physical | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 355 gr (0.78 pounds) | 167 gr (0.37 pounds) |
Physical dimensions | 121 x 70 x 36mm (4.8" x 2.8" x 1.4") | 116 x 59 x 29mm (4.6" x 2.3" x 1.1") |
DXO scores | ||
DXO All around score | 55 | not tested |
DXO Color Depth score | 21.4 | not tested |
DXO Dynamic range score | 10.4 | not tested |
DXO Low light score | 536 | not tested |
Other | ||
Battery life | 300 images | 260 images |
Form of battery | Battery Pack | Battery Pack |
Battery model | BLS-1 | D-LI92 |
Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
Time lapse shooting | ||
Storage type | SD/SDHC card | SD/SDHC/SDXC card, Internal |
Card slots | 1 | 1 |
Cost at launch | $182 | $350 |