Olympus E-PM1 vs Pentax K-1

Here is a comprehensive review of the Olympus E-PM1 and Pentax K-1, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by brands Olympus and Pentax. There exists a substantial gap among the image resolutions of the E-PM1 (12MP) and K-1 (36MP) and the E-PM1 (Four Thirds) and K-1 (Full frame) use different sensor size.

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The E-PM1 was released 5 years prior to the K-1 and that is a fairly big difference as far as camera technology is concerned. Both the cameras offer different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax K-1 being a Mid-size SLR camera.

Before going straight into a detailed comparison, below is a concise summation of how the E-PM1 grades vs the K-1 with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Olympus PEN E-PM1 & Pentax K-1. The complete galleries are viewable at Olympus E-PM1 Gallery & Pentax K-1 Gallery.

For those who are planning to carry your camera regularly, you'll need to factor its weight and proportions. The Olympus E-PM1 enjoys physical measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 265 grams (0.58 lbs) whilst the Pentax K-1 has measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") along with a weight of 1010 grams (2.23 lbs).

Take a look at the Olympus E-PM1 and Pentax K-1 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you have attached during that time. Underneath is the front view sizing comparison of the E-PM1 and the K-1.

Looking at dimensions and weight, the portability rating of the E-PM1 and K-1 is 89 and 55 respectively.

Normally, it is very hard to visualize the gap in sensor sizing simply by seeing specifications. The photograph underneath should give you a better sense of the sensor sizing in the E-PM1 and K-1.

To sum up, both of those cameras offer different resolutions and different sensor sizing. The E-PM1 featuring a smaller sensor is going to make achieving shallower depth of field trickier and the Pentax K-1 will show more detail as a result of its extra 24 Megapixels. Higher resolution can also enable you to crop photographs a little more aggressively. The older E-PM1 will be behind with regard to sensor innovation.