Olympus E-M1 III vs Pentax WG-1 GPS

Lets look a bit more closely at the Olympus E-M1 III and Pentax WG-1 GPS, one is a Pro Mirrorless and the latter is a Waterproof by manufacturers Olympus and Pentax. There is a big difference between the resolutions of the E-M1 III (20MP) and WG-1 GPS (14MP) and the E-M1 III (Four Thirds) and WG-1 GPS (1/2.3") possess different sensor sizes.

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The E-M1 III was announced 8 years after the WG-1 GPS which is quite a big gap as far as tech is concerned. The two cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax WG-1 GPS being a Compact camera.

Before going straight into a in-depth comparison, below is a short highlight of how the E-M1 III scores against the WG-1 GPS for portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Pentax Optio WG-1 GPS. The whole galleries are provided at Olympus E-M1 III Gallery and Pentax WG-1 GPS Gallery.

If you're going to travel with your camera regularly, you will need to factor in its weight and volume. The Olympus E-M1 III provides physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Pentax WG-1 GPS has sizing of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") accompanied by a weight of 167 grams (0.37 lbs).

Check the Olympus E-M1 III and Pentax WG-1 GPS in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that moment. The following is the front view overall size comparison of the E-M1 III versus the WG-1 GPS.

Taking into consideration size and weight, the portability score of the E-M1 III and WG-1 GPS is 67 and 93 respectively.

In many cases, it can be hard to visualize the contrast between sensor dimensions simply by reading specs. The pic underneath might offer you a better sense of the sensor dimensions in the E-M1 III and WG-1 GPS.

As you can plainly see, each of the cameras enjoy different megapixel count and different sensor dimensions. The E-M1 III using its bigger sensor is going to make achieving shallow DOF simpler and the Olympus E-M1 III will deliver greater detail with its extra 6 Megapixels. Higher resolution will enable you to crop pictures far more aggressively. The more recent E-M1 III provides a benefit in sensor innovation.