Pentax K-01 vs Pentax K-S1

Here is a complete review of the Pentax K-01 and Pentax K-S1, one being a Entry-Level Mirrorless and the other is a Advanced DSLR and both of them are sold by Pentax. The resolution of the K-01 (16MP) and the K-S1 (20MP) is fairly close and they feature the same exact sensor size (APS-C).

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The K-01 was launched 3 years before the K-S1 and that is a fairly serious gap as far as camera tech is concerned. Both cameras offer different body type with the Pentax K-01 being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go straight into a more detailed comparison, below is a short synopsis of how the K-01 scores vs the K-S1 with respect to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Pentax K-01 and Pentax K-S1. The complete galleries are available at Pentax K-01 Gallery and Pentax K-S1 Gallery.

When you are going to carry your camera, you will have to factor in its weight and size. The Pentax K-01 offers outer dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") having a weight of 561 grams (1.24 lbs) and the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") with a weight of 558 grams (1.23 lbs).

Check out the Pentax K-01 and Pentax K-S1 in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that time. Below is the front view size comparison of the K-01 vs the K-S1.

Taking into account size and weight, the portability rating of the K-01 and K-S1 is 76 and 69 respectively.

Usually, its difficult to picture the contrast in sensor sizing simply by viewing technical specs. The visual below will help provide you a stronger sense of the sensor dimensions in the K-01 and K-S1.

As you have seen, each of these cameras offer the same exact sensor sizing but different megapixels. You should anticipate the Pentax K-S1 to render more detail utilizing its extra 4MP. Greater resolution will also make it easier to crop images a little more aggressively. The older K-01 will be behind with regard to sensor technology.