Olympus E-M1 vs Pentax WG-3

Here is a in-depth review of the Olympus E-M1 vs Pentax WG-3, one being a Pro Mirrorless and the other is a Waterproof by rivals Olympus and Pentax. The sensor resolution of the E-M1 (16MP) and the WG-3 (16MP) is very close but the E-M1 (Four Thirds) and WG-3 (1/2.3") feature totally different sensor sizes.

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The E-M1 was released 4 months later than the WG-3 so they are both of a similar generation. Each of these cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Pentax WG-3 being a Compact camera.

Before getting straight into a detailed comparison, below is a brief view of how the E-M1 scores versus the WG-3 in regards to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus OM-D E-M1 and Pentax WG-3. The complete galleries are viewable at Olympus E-M1 Gallery and Pentax WG-3 Gallery.

If you're aiming to carry your camera, you will have to think about its weight and measurements. The Olympus E-M1 has got exterior dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") with a weight of 497 grams (1.10 lbs) whilst the Pentax WG-3 has proportions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 230 grams (0.51 lbs).

Look at the Olympus E-M1 vs Pentax WG-3 in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. The following is the front view scale comparison of the E-M1 vs the WG-3.

Taking into consideration size and weight, the portability grade of the E-M1 and WG-3 is 71 and 90 respectively.

Often, it's tough to visualise the difference in sensor sizing merely by viewing specifications. The visual below will help provide you a much better sense of the sensor sizes in the E-M1 and WG-3.

To sum up, the two cameras enjoy the same exact resolution but not the same sensor sizing. The E-M1 features the larger sensor which will make obtaining shallow depth of field easier.