Olympus FE-4000 vs Pentax K-S1

On this page, we are matching up the Olympus FE-4000 vs Pentax K-S1, one is a Small Sensor Compact and the other is a Advanced DSLR by companies Olympus and Pentax. There exists a significant gap between the sensor resolutions of the FE-4000 (12MP) and K-S1 (20MP) and the FE-4000 (1/2.3") and K-S1 (APS-C) have totally different sensor size.

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The FE-4000 was revealed 6 years before the K-S1 which is quite a sizable gap as far as technology is concerned. The two cameras have different body design with the Olympus FE-4000 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go into a step-by-step comparison, here is a short view of how the FE-4000 grades vs the K-S1 when considering portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus FE-4000 and Pentax K-S1. The full galleries are viewable at Olympus FE-4000 Gallery and Pentax K-S1 Gallery.

If you are aiming to carry around your camera regularly, you will have to consider its weight and dimensions. The Olympus FE-4000 offers exterior measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") with a weight of 136 grams (0.30 lbs) whilst the Pentax K-S1 has dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Examine the Olympus FE-4000 vs Pentax K-S1 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have at that moment. Below is a front view overall size comparison of the FE-4000 against the K-S1.

Considering dimensions and weight, the portability rating of the FE-4000 and K-S1 is 95 and 69 respectively.

Quite often, it is tough to see the contrast between sensor sizes only by reading through a spec sheet. The pic below will help provide you a more clear sense of the sensor measurements in the FE-4000 and K-S1.

Clearly, each of the cameras provide different megapixel count and different sensor sizes. The FE-4000 with its tinier sensor will make shooting bokeh more difficult and the Pentax K-S1 will resolve more detail because of its extra 8 Megapixels. Greater resolution will help you crop images more aggressively. The more aged FE-4000 is going to be behind with regard to sensor technology.