Olympus E-400 vs Pentax K100D S

Its time to look a bit more closely at the Olympus E-400 vs Pentax K100D S, both Entry-Level DSLR digital cameras by competitors Olympus and Pentax. There is a significant difference between the sensor resolutions of the E-400 (10MP) and K100D S (6MP) and the E-400 (Four Thirds) and K100D S (APS-C) come with different sensor sizes.

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The E-400 was launched 9 months prior to the K100D S which means that they are both of a similar generation. Both of these cameras come with the identical body type (Compact SLR).

Before diving straight into a thorough comparison, below is a simple introduction of how the E-400 scores vs the K100D S with regard to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Olympus E-400 and Pentax K100D Super. The complete galleries are available at Olympus E-400 Gallery and Pentax K100D S Gallery.

If you're going to lug around your camera, you will need to factor in its weight and dimensions. The Olympus E-400 offers physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 435 grams (0.96 lbs) whilst the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Compare the Olympus E-400 vs Pentax K100D S in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Here is the front view proportions comparison of the E-400 compared to the K100D S.

Taking into account size and weight, the portability score of the E-400 and K100D S is 77 and 65 respectively.

In many cases, its hard to imagine the difference between sensor measurements simply by checking specifications. The photograph here will help give you a more clear sense of the sensor sizes in the E-400 and K100D S.

Plainly, both of these cameras have got different resolutions and different sensor measurements. The E-400 because of its tinier sensor is going to make getting shallower depth of field trickier and the Olympus E-400 will resolve extra detail utilizing its extra 4MP. Higher resolution will also help you crop photographs much more aggressively. The older E-400 is going to be disadvantaged in sensor technology.