Pentax K-S2 vs Sony A100

Lets look more closely at the Pentax K-S2 and Sony A100, both Entry-Level DSLR digital cameras by manufacturers Pentax and Sony. There exists a considerable gap between the resolutions of the K-S2 (20MP) and A100 (10MP) but both cameras provide the same sensor measurements (APS-C).

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The K-S2 was launched 8 years later than the A100 and that is quite a large difference as far as technology is concerned. Both of the cameras have the same body design (Compact SLR).

Before diving into a detailed comparison, here is a quick highlight of how the K-S2 matches up versus the A100 in regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Pentax K-S2 & Sony Alpha DSLR-A100. The complete galleries are available at Pentax K-S2 Gallery & Sony A100 Gallery.

If you're looking to lug around your camera frequently, you will have to factor its weight and size. The Pentax K-S2 offers external dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs) whilst the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") along with a weight of 638 grams (1.41 lbs).

Analyze the Pentax K-S2 and Sony A100 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you use during that time. Here is a front view dimensions comparison of the K-S2 compared to the A100.

Taking into consideration dimensions and weight, the portability score of the K-S2 and A100 is 64 and 64 respectively.

Normally, it is hard to imagine the contrast between sensor measurements simply by checking technical specs. The visual below might give you a much better sense of the sensor dimensions in the K-S2 and A100.

As you can tell, each of these cameras provide the same sensor dimensions but different megapixels. You can anticipate the Pentax K-S2 to give you more detail utilizing its extra 10MP. Greater resolution will enable you to crop images more aggressively. The fresher K-S2 provides an advantage with regard to sensor tech.