Olympus E-400 vs Pentax K-S2

Here is a extended overview of the Olympus E-400 and Pentax K-S2, both Entry-Level DSLR digital cameras by companies Olympus and Pentax. There is a huge difference between the sensor resolutions of the E-400 (10MP) and K-S2 (20MP) and the E-400 (Four Thirds) and K-S2 (APS-C) enjoy totally different sensor dimensions.

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The E-400 was announced 9 years earlier than the K-S2 and that is quite a significant gap as far as tech is concerned. Both of the cameras come with the identical body type (Compact SLR).

Before going through a step-by-step comparison, below is a simple highlight of how the E-400 scores against the K-S2 in regards to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Olympus E-400 and Pentax K-S2. The whole galleries are viewable at Olympus E-400 Gallery and Pentax K-S2 Gallery.

If you are aiming to carry your camera frequently, you're going to have to consider its weight and size. The Olympus E-400 features physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 435 grams (0.96 lbs) while the Pentax K-S2 has specifications of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs).

Check the Olympus E-400 and Pentax K-S2 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with during that time. Here is the front view measurements comparison of the E-400 and the K-S2.

Using size and weight, the portability score of the E-400 and K-S2 is 77 and 64 respectively.

Usually, it is tough to see the contrast between sensor sizing just by going over a spec sheet. The graphic here may provide you a clearer sense of the sensor dimensions in the E-400 and K-S2.

As you can see, both the cameras posses different megapixels and different sensor sizing. The E-400 having a tinier sensor will make achieving bokeh more challenging and the Pentax K-S2 will offer you greater detail with its extra 10 Megapixels. Greater resolution will help you crop photos somewhat more aggressively. The older E-400 is going to be disadvantaged in sensor innovation.