Olympus E-M5 III vs Pentax WG-3 GPS
80 Imaging
61 Features
88 Overall
71


90 Imaging
40 Features
43 Overall
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Olympus E-M5 III vs Pentax WG-3 GPS Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fully Articulated Screen
- ISO 200 - 25600
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 414g - 125 x 85 x 50mm
- Launched October 2019
- Previous Model is Olympus E-M5 II
- Renewed by OM System OM-5
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 125 - 6400
- Sensor-shift Image Stabilization
- 1920 x 1080 video
- 25-100mm (F2.0-4.9) lens
- 238g - 125 x 64 x 33mm
- Introduced July 2013

Olympus E-M5 III vs Pentax WG-3 GPS Overview
Its time to take a deeper look at the Olympus E-M5 III vs Pentax WG-3 GPS, former is a Advanced Mirrorless while the latter is a Waterproof by manufacturers Olympus and Pentax. There exists a substantial gap between the sensor resolutions of the E-M5 III (20MP) and WG-3 GPS (16MP) and the E-M5 III (Four Thirds) and WG-3 GPS (1/2.3") have different sensor measurements.

The E-M5 III was brought out 6 years after the WG-3 GPS which is quite a big difference as far as technology is concerned. Each of these cameras feature different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax WG-3 GPS being a Compact camera.
Before delving straight to a full comparison, here is a short view of how the E-M5 III grades vs the WG-3 GPS in regards to portability, imaging, features and an overall score.

Olympus E-M5 III vs Pentax WG-3 GPS Gallery
This is a preview of the gallery images for Olympus OM-D E-M5 III & Pentax WG-3 GPS. The entire galleries are viewable at Olympus E-M5 III Gallery & Pentax WG-3 GPS Gallery.
Reasons to pick Olympus E-M5 III over the Pentax WG-3 GPS
E-M5 III | WG-3 GPS | |||
---|---|---|---|---|
Introduced | October 2019 | ![]() | July 2013 | More modern by 77 months |
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen resolution | 1040k | ![]() | 460k | Crisper screen (+580k dot) |
Selfie screen | ![]() | Take selfies | ||
Touch screen | ![]() | Quickly navigate |
Reasons to pick Pentax WG-3 GPS over the Olympus E-M5 III
WG-3 GPS | E-M5 III |
---|
Common features in the Olympus E-M5 III and Pentax WG-3 GPS
E-M5 III | WG-3 GPS | |||
---|---|---|---|---|
Manually focus | ![]() | More accurate focusing | ||
Screen size | 3" | ![]() | 3" | Same screen measurements |
Olympus E-M5 III vs Pentax WG-3 GPS Physical Comparison
If you're looking to carry around your camera often, you'll need to take into account its weight and size. The Olympus E-M5 III offers external dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") with a weight of 414 grams (0.91 lbs) and the Pentax WG-3 GPS has specifications of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs).
Check the Olympus E-M5 III vs Pentax WG-3 GPS in our completely new Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will differ based on the lens you have attached during that time. Following is a front view physical size comparison of the E-M5 III against the WG-3 GPS.

Taking into consideration dimensions and weight, the portability grade of the E-M5 III and WG-3 GPS is 80 and 90 respectively.

Olympus E-M5 III vs Pentax WG-3 GPS Sensor Comparison
Sometimes, its tough to picture the difference between sensor sizes only by reading specifications. The pic below will help provide you a much better sense of the sensor dimensions in the E-M5 III and WG-3 GPS.
Plainly, both of those cameras feature different megapixels and different sensor sizes. The E-M5 III because of its bigger sensor is going to make getting bokeh simpler and the Olympus E-M5 III will offer extra detail having its extra 4 Megapixels. Higher resolution can also make it easier to crop pictures way more aggressively. The newer E-M5 III should have an edge when it comes to sensor innovation.

Olympus E-M5 III vs Pentax WG-3 GPS Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Olympus E-M5 III vs Pentax WG-3 GPS Specifications
Olympus OM-D E-M5 III | Pentax WG-3 GPS | |
---|---|---|
General Information | ||
Brand | Olympus | Pentax |
Model | Olympus OM-D E-M5 III | Pentax WG-3 GPS |
Category | Advanced Mirrorless | Waterproof |
Launched | 2019-10-17 | 2013-07-19 |
Physical type | SLR-style mirrorless | Compact |
Sensor Information | ||
Processor Chip | TruePic VIII | - |
Sensor type | MOS | BSI-CMOS |
Sensor size | Four Thirds | 1/2.3" |
Sensor dimensions | 17.4 x 13mm | 6.17 x 4.55mm |
Sensor surface area | 226.2mm² | 28.1mm² |
Sensor resolution | 20MP | 16MP |
Anti aliasing filter | ||
Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 1:1, 4:3 and 16:9 |
Max resolution | 5184 x 3888 | 4608 x 3456 |
Max native ISO | 25600 | 6400 |
Lowest native ISO | 200 | 125 |
RAW photos | ||
Lowest enhanced ISO | 64 | - |
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
AF continuous | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
Multi area AF | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 121 | 9 |
Lens | ||
Lens mount | Micro Four Thirds | fixed lens |
Lens focal range | - | 25-100mm (4.0x) |
Maximum aperture | - | f/2.0-4.9 |
Macro focus distance | - | 1cm |
Total lenses | 107 | - |
Focal length multiplier | 2.1 | 5.8 |
Screen | ||
Screen type | Fully Articulated | Fixed Type |
Screen diagonal | 3 inches | 3 inches |
Resolution of screen | 1,040k dots | 460k dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Screen technology | - | Widescreen TFT color LCD with anti-reflective coating |
Viewfinder Information | ||
Viewfinder type | Electronic | None |
Viewfinder resolution | 2,360k dots | - |
Viewfinder coverage | 100 percent | - |
Viewfinder magnification | 0.68x | - |
Features | ||
Minimum shutter speed | 60 secs | 4 secs |
Fastest shutter speed | 1/8000 secs | 1/4000 secs |
Fastest silent shutter speed | 1/32000 secs | - |
Continuous shutter rate | 30.0 frames/s | - |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | - |
Set WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | 3.40 m |
Flash options | Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual | Auto, On, Off, Red-eye, Soft |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Fastest flash synchronize | 1/250 secs | - |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) |
Max video resolution | 4096x2160 | 1920x1080 |
Video data format | MPEG-4, H.264 | MPEG-4, H.264 |
Mic support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | 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 | 414 gr (0.91 lbs) | 238 gr (0.52 lbs) |
Physical dimensions | 125 x 85 x 50mm (4.9" x 3.3" x 2.0") | 125 x 64 x 33mm (4.9" x 2.5" x 1.3") |
DXO scores | ||
DXO Overall 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 | 310 photographs | 240 photographs |
Battery style | Battery Pack | Battery Pack |
Battery model | BLN-1 | D-LI92 |
Self timer | Yes (2 or 10 secs, custom) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | SD/SDHC/SDXC (UHS-II supported) | SD/SDHC/SDXC card, Internal |
Card slots | One | One |
Launch cost | $1,199 | $350 |