Pentax K-S2 vs Pentax K20D

Lets take a more detailed look at the Pentax K-S2 vs Pentax K20D, former being a Entry-Level DSLR while the latter is a Advanced DSLR and they are both built by Pentax. There exists a substantial gap between the sensor resolutions of the K-S2 (20MP) and K20D (15MP) but both cameras offer the same sensor sizes (APS-C).

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The K-S2 was revealed 6 years later than the K20D and that is quite a big difference as far as technology is concerned. Both the cameras have different body design with the Pentax K-S2 being a Compact SLR camera and the Pentax K20D being a Mid-size SLR camera.

Before we go into a in-depth comparison, here is a simple highlight of how the K-S2 scores against the K20D with respect to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax K-S2 & Pentax K20D. The full galleries are available at Pentax K-S2 Gallery & Pentax K20D Gallery.

If you're aiming to carry your camera frequently, you will need to take into account its weight and volume. The Pentax K-S2 provides physical measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs) while the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Take a look at the Pentax K-S2 vs Pentax K20D in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change based on the lens you choose during that time. Following is a front view proportions comparison of the K-S2 and the K20D.

Using dimensions and weight, the portability score of the K-S2 and K20D is 64 and 59 respectively.

Typically, it is tough to see the difference between sensor sizing purely by looking at technical specs. The photograph here will help provide you a more clear sense of the sensor measurements in the K-S2 and K20D.

As you can tell, both the cameras provide the same sensor dimensions albeit not the same MP. You can expect the Pentax K-S2 to give you extra detail because of its extra 5MP. Higher resolution can also help you crop photographs more aggressively. The more modern K-S2 is going to have a benefit in sensor tech.