Olympus FE-4000 vs Pentax K100D

The following is a complete assessment of the Olympus FE-4000 vs Pentax K100D, one is a Small Sensor Compact and the other is a Entry-Level DSLR by brands Olympus and Pentax. There is a crucial difference between the sensor resolutions of the FE-4000 (12MP) and K100D (6MP) and the FE-4000 (1/2.3") and K100D (APS-C) enjoy different sensor measurements.

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The FE-4000 was unveiled 2 years after the K100D which is quite a serious gap as far as tech is concerned. Both cameras offer different body type with the Olympus FE-4000 being a Compact camera and the Pentax K100D being a Compact SLR camera.

Before diving through a in-depth comparison, below is a quick highlight of how the FE-4000 matches up against the K100D for portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Olympus FE-4000 and Pentax K100D. The full galleries are provided at Olympus FE-4000 Gallery and Pentax K100D Gallery.

For those who are looking to travel with your camera frequently, you are going to need to factor its weight and dimensions. The Olympus FE-4000 enjoys physical measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") having a weight of 136 grams (0.30 lbs) and the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs).

Check the Olympus FE-4000 vs Pentax K100D in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you have at the time. The following is the front view measurements comparison of the FE-4000 vs the K100D.

Considering size and weight, the portability rating of the FE-4000 and K100D is 95 and 64 respectively.

In many cases, it's hard to visualize the difference between sensor dimensions only by reading a spec sheet. The picture below should give you a much better sense of the sensor sizing in the FE-4000 and K100D.

As you can see, the 2 cameras offer different megapixels and different sensor dimensions. The FE-4000 with its tinier sensor is going to make achieving bokeh trickier and the Olympus FE-4000 will deliver greater detail having an extra 6 Megapixels. Greater resolution will allow you to crop photos a little more aggressively. The more modern FE-4000 should have an edge when it comes to sensor tech.