Olympus E-330 vs Pentax K100D

Below, we will be looking at the Olympus E-330 and Pentax K100D, former being a Advanced DSLR while the latter is a Entry-Level DSLR by competitors Olympus and Pentax. The image resolution of the E-330 (7MP) and the K100D (6MP) is pretty well matched but the E-330 (Four Thirds) and K100D (APS-C) come with totally different sensor size.

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The E-330 was revealed 8 months before the K100D so they are both of a similar age. Both the cameras come with different body type with the Olympus E-330 being a Mid-size SLR camera and the Pentax K100D being a Compact SLR camera.

Before we go straight into a in-depth comparison, below is a simple summary of how the E-330 scores against the K100D with regard to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Olympus E-330 & Pentax K100D. The full galleries are provided at Olympus E-330 Gallery & Pentax K100D Gallery.

For anybody who is planning to lug around your camera regularly, you have to take into account its weight and dimensions. The Olympus E-330 features exterior measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") and a weight of 616 grams (1.36 lbs) while the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs).

Check out the Olympus E-330 and Pentax K100D in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ based on the lens you are employing at the time. The following is the front view overall size comparison of the E-330 and the K100D.

Looking at dimensions and weight, the portability score of the E-330 and K100D is 65 and 64 respectively.

Sometimes, it's tough to visualise the gap between sensor measurements simply by reading through technical specs. The visual underneath will provide you a more clear sense of the sensor sizing in the E-330 and K100D.

As you have seen, both the cameras posses different resolutions and different sensor measurements. The E-330 using its tinier sensor will make achieving shallower depth of field more challenging and the Olympus E-330 will give more detail because of its extra 1MP. Higher resolution will let you crop photographs somewhat more aggressively. The older E-330 is going to be disadvantaged when it comes to sensor innovation.