Olympus E-P1 vs Pentax K100D S

Following is a detailed comparison of the Olympus E-P1 and Pentax K100D S, former is a Entry-Level Mirrorless while the other is a Entry-Level DSLR by manufacturers Olympus and Pentax. There is a noticeable difference between the image resolutions of the E-P1 (12MP) and K100D S (6MP) and the E-P1 (Four Thirds) and K100D S (APS-C) possess different sensor dimensions.

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The E-P1 was manufactured 2 years after the K100D S which is quite a sizable difference as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before delving through a more detailed comparison, below is a quick summation of how the E-P1 scores vs the K100D S when it comes to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Olympus PEN E-P1 & Pentax K100D Super. The entire galleries are available at Olympus E-P1 Gallery & Pentax K100D S Gallery.

For anyone who is planning to carry around your camera often, you'll need to take into account its weight and measurements. The Olympus E-P1 comes with exterior measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") and a weight of 355 grams (0.78 lbs) while the Pentax K100D S has proportions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs).

Contrast the Olympus E-P1 and Pentax K100D S in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you choose at the time. Below is the front view proportions comparison of the E-P1 against the K100D S.

Taking into account size and weight, the portability rating of the E-P1 and K100D S is 86 and 65 respectively.

Often, its hard to visualize the contrast between sensor sizes simply by going over specifications. The pic underneath will provide you a stronger sense of the sensor sizing in the E-P1 and K100D S.

Plainly, both the cameras posses different megapixels and different sensor sizes. The E-P1 featuring a tinier sensor is going to make achieving shallow depth of field trickier and the Olympus E-P1 will offer more detail due to its extra 6 Megapixels. Greater resolution will also enable you to crop pics somewhat more aggressively. The younger E-P1 provides an advantage in sensor innovation.