Olympus E-M1 III vs Pentax E70

Lets look a little more closely at the Olympus E-M1 III vs Pentax E70, one is a Pro Mirrorless and the other is a Small Sensor Compact by brands Olympus and Pentax. There exists a big gap between the sensor resolutions of the E-M1 III (20MP) and E70 (10MP) and the E-M1 III (Four Thirds) and E70 (1/2.3") posses different sensor dimensions.

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The E-M1 III was introduced 11 years after the E70 which is quite a big gap as far as technology is concerned. Both the cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax E70 being a Compact camera.

Before diving into a thorough comparison, here is a brief introduction of how the E-M1 III matches up against the E70 in regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Pentax Optio E70. The whole galleries are available at Olympus E-M1 III Gallery and Pentax E70 Gallery.

For those who are going to carry around your camera often, you'll need to take into account its weight and volume. The Olympus E-M1 III enjoys outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Pentax E70 has sizing of 94mm x 61mm x 26mm (3.7" x 2.4" x 1.0") with a weight of 175 grams (0.39 lbs).

Take a look at the Olympus E-M1 III vs Pentax E70 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. Following is a front view overall size comparison of the E-M1 III against the E70.

Taking into consideration dimensions and weight, the portability grade of the E-M1 III and E70 is 67 and 94 respectively.

Sometimes, it is hard to picture the difference between sensor sizes merely by going over technical specs. The picture underneath should give you a more clear sense of the sensor measurements in the E-M1 III and E70.

As you have seen, both cameras have different resolutions and different sensor sizes. The E-M1 III using its larger sensor is going to make achieving shallow DOF easier and the Olympus E-M1 III will offer extra detail using its extra 10MP. Greater resolution will allow you to crop pics a bit more aggressively. The newer E-M1 III should have a benefit when it comes to sensor innovation.