Olympus E-M1 vs Pentax K-70

Let's take a closer look at the Olympus E-M1 vs Pentax K-70, former being a Pro Mirrorless while the latter is a Entry-Level DSLR by brands Olympus and Pentax. There exists a large gap among the resolutions of the E-M1 (16MP) and K-70 (24MP) and the E-M1 (Four Thirds) and K-70 (APS-C) come with different sensor sizes.

Photography Glossary

The E-M1 was unveiled 3 years before the K-70 and that is a fairly serious difference as far as camera technology is concerned. Both of these cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Pentax K-70 being a Compact SLR camera.

Before we go straight into a comprehensive comparison, below is a concise overview of how the E-M1 scores vs the K-70 when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus OM-D E-M1 & Pentax K-70. The full galleries are viewable at Olympus E-M1 Gallery & Pentax K-70 Gallery.

For anybody who is going to carry your camera, you will want to factor its weight and volume. The Olympus E-M1 has got outside dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") and a weight of 497 grams (1.10 lbs) whilst the Pentax K-70 has sizing of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Compare the Olympus E-M1 vs Pentax K-70 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change based on the lens you are utilizing at the time. Underneath is the front view measurement comparison of the E-M1 vs the K-70.

Taking into consideration dimensions and weight, the portability grade of the E-M1 and K-70 is 71 and 62 respectively.

More often than not, it's hard to imagine the gap in sensor sizing only by seeing specs. The photograph underneath will help provide you a more clear sense of the sensor dimensions in the E-M1 and K-70.

All in all, both of those cameras offer different resolutions and different sensor sizing. The E-M1 with its smaller sensor is going to make getting shallow DOF more challenging and the Pentax K-70 will show greater detail having an extra 8MP. Higher resolution will let you crop photographs a little more aggressively. The older E-M1 will be disadvantaged when it comes to sensor technology.