Olympus E-M5 vs Pentax E70

Below is a comprehensive analysis of the Olympus E-M5 versus Pentax E70, one being a Advanced Mirrorless and the latter is a Small Sensor Compact by manufacturers Olympus and Pentax. There exists a sizeable gap among the image resolutions of the E-M5 (16MP) and E70 (10MP) and the E-M5 (Four Thirds) and E70 (1/2.3") have different sensor sizing.

Photography Glossary

The E-M5 was released 3 years later than the E70 and that is a fairly large gap as far as camera technology is concerned. Both of these cameras feature different body design with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax E70 being a Compact camera.

Before getting into a detailed comparison, here is a concise introduction of how the E-M5 scores vs the E70 when considering portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Olympus OM-D E-M5 and Pentax Optio E70. The complete galleries are viewable at Olympus E-M5 Gallery and Pentax E70 Gallery.

For anybody who is aiming to lug around your camera, you're going to have to think about its weight and volume. The Olympus E-M5 enjoys physical dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") having a weight of 425 grams (0.94 lbs) while the Pentax E70 has sizing of 94mm x 61mm x 26mm (3.7" x 2.4" x 1.0") and a weight of 175 grams (0.39 lbs).

Examine the Olympus E-M5 versus Pentax E70 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. Following is a front view over all size comparison of the E-M5 and the E70.

Taking into account dimensions and weight, the portability score of the E-M5 and E70 is 81 and 94 respectively.

Normally, it can be hard to picture the contrast in sensor measurements simply by seeing a spec sheet. The visual here will help provide you a more clear sense of the sensor sizes in the E-M5 and E70.

As you can see, both of these cameras feature different megapixel count and different sensor measurements. The E-M5 because of its bigger sensor is going to make getting shallow DOF simpler and the Olympus E-M5 will show more detail as a result of its extra 6MP. Higher resolution can also let you crop photographs way more aggressively. The more recent E-M5 provides an edge when it comes to sensor tech.