Olympus E-420 vs Pentax K100D S

Following is a complete review of the Olympus E-420 and Pentax K100D S, both Entry-Level DSLR digital cameras by companies Olympus and Pentax. There is a noticeable difference between the sensor resolutions of the E-420 (10MP) and K100D S (6MP) and the E-420 (Four Thirds) and K100D S (APS-C) posses different sensor dimensions.

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The E-420 was released 13 months after the K100D S which makes them a generation away from each other. Each of the cameras feature the same body design (Compact SLR).

Before delving right into a step-by-step comparison, here is a quick overview of how the E-420 scores against the K100D S with regard to portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus E-420 & Pentax K100D Super. The complete galleries are viewable at Olympus E-420 Gallery & Pentax K100D S Gallery.

If you're planning to carry around your camera often, you should take into account its weight and measurements. The Olympus E-420 offers outside dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) and the Pentax K100D S has proportions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs).

Analyze the Olympus E-420 and Pentax K100D S in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change dependant on the lens you are utilizing at that moment. Here is a front view dimensions comparison of the E-420 compared to the K100D S.

Looking at size and weight, the portability score of the E-420 and K100D S is 77 and 65 respectively.

Oftentimes, its hard to visualize the difference between sensor sizes simply by reading a spec sheet. The picture here should provide you a better sense of the sensor dimensions in the E-420 and K100D S.

As you can see, the two cameras feature different resolutions and different sensor sizes. The E-420 because of its tinier sensor is going to make shooting shallow depth of field harder and the Olympus E-420 will offer you more detail as a result of its extra 4MP. Higher resolution can also make it easier to crop pictures way more aggressively. The younger E-420 should have a benefit with regard to sensor technology.