Pentax K-S2 vs Pentax E90

The following is a extended analysis of the Pentax K-S2 and Pentax E90, one is a Entry-Level DSLR and the latter is a Small Sensor Compact and both of them are offered by Pentax. There is a big difference between the sensor resolutions of the K-S2 (20MP) and E90 (10MP) and the K-S2 (APS-C) and E90 (1/2.3") offer totally different sensor measurements.

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The K-S2 was brought out 5 years after the E90 which is quite a big gap as far as tech is concerned. Both of the cameras have different body design with the Pentax K-S2 being a Compact SLR camera and the Pentax E90 being a Compact camera.

Before diving into a in-depth comparison, here is a brief highlight of how the K-S2 scores against the E90 in relation to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Pentax K-S2 and Pentax Optio E90. The entire galleries are viewable at Pentax K-S2 Gallery and Pentax E90 Gallery.

If you are intending to travel with your camera frequently, you should factor its weight and proportions. The Pentax K-S2 enjoys external measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") having a weight of 678 grams (1.49 lbs) and the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs).

Examine the Pentax K-S2 and Pentax E90 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you have attached during that time. Here is a front view sizing comparison of the K-S2 vs the E90.

Looking at size and weight, the portability score of the K-S2 and E90 is 64 and 94 respectively.

Often, it can be difficult to envision the difference between sensor dimensions just by going over a spec sheet. The picture here will give you a stronger sense of the sensor sizing in the K-S2 and E90.

Clearly, both of these cameras have different megapixels and different sensor dimensions. The K-S2 featuring a bigger sensor will make achieving shallow depth of field less difficult and the Pentax K-S2 will offer you more detail having its extra 10 Megapixels. Higher resolution will allow you to crop pictures a bit more aggressively. The newer K-S2 will have a benefit in sensor tech.