Nikon D7100 vs Pentax K-S2

In this write-up, we will be evaluating the Nikon D7100 and Pentax K-S2, former being a Advanced DSLR while the latter is a Entry-Level DSLR by brands Nikon and Pentax. The sensor resolution of the D7100 (24MP) and the K-S2 (20MP) is pretty similar and they come with the same exact sensor dimensions (APS-C).

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The D7100 was revealed 21 months prior to the K-S2 which makes the cameras a generation apart from each other. Both the cameras offer different body type with the Nikon D7100 being a Mid-size SLR camera and the Pentax K-S2 being a Compact SLR camera.

Before diving in to a full comparison, below is a quick summary of how the D7100 grades versus the K-S2 with regard to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Nikon D7100 & Pentax K-S2. The full galleries are provided at Nikon D7100 Gallery & Pentax K-S2 Gallery.

For anyone who is aiming to lug around your camera frequently, you will have to think about its weight and volume. The Nikon D7100 comes with exterior measurements of 136mm x 107mm x 76mm (5.4" x 4.2" x 3.0") accompanied by a weight of 765 grams (1.69 lbs) whilst the Pentax K-S2 has sizing of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") having a weight of 678 grams (1.49 lbs).

Take a look at the Nikon D7100 and Pentax K-S2 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ dependant on the lens you choose at the time. The following is the front view scale comparison of the D7100 vs the K-S2.

Using size and weight, the portability score of the D7100 and K-S2 is 59 and 64 respectively.

Usually, it can be hard to picture the difference between sensor measurements only by going over specifications. The graphic here may offer you a better sense of the sensor sizing in the D7100 and K-S2.

To sum up, both of these cameras enjoy the same exact sensor sizing albeit different MP. You can expect the Nikon D7100 to deliver extra detail because of its extra 4 Megapixels. Higher resolution can also let you crop shots far more aggressively. The older D7100 is going to be behind when it comes to sensor tech.