Olympus E-PM1 vs Pentax K100D S

Here, we are contrasting the Olympus E-PM1 vs Pentax K100D S, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by companies Olympus and Pentax. There is a sizable difference among the resolutions of the E-PM1 (12MP) and K100D S (6MP) and the E-PM1 (Four Thirds) and K100D S (APS-C) offer totally different sensor dimensions.

Photography Glossary

The E-PM1 was released 4 years later than the K100D S and that is a fairly significant difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before delving right into a thorough comparison, here is a short summation of how the E-PM1 matches up versus the K100D S with respect to portability, imaging, features and an overall grade.

Here is a sample of the gallery pics for Olympus PEN E-PM1 & Pentax K100D Super. The complete galleries are provided at Olympus E-PM1 Gallery & Pentax K100D S Gallery.

For anyone who is looking to lug around your camera, you're going to have to factor its weight and measurements. The Olympus E-PM1 comes with outer measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") with a weight of 265 grams (0.58 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).

Look at the Olympus E-PM1 vs Pentax K100D S in our newest Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change depending on the lens you have attached at that time. Here is a front view over all size comparison of the E-PM1 versus the K100D S.

Taking into account size and weight, the portability grade of the E-PM1 and K100D S is 89 and 65 respectively.

In many cases, its tough to visualise the difference in sensor measurements simply by looking through specifications. The visual below may offer you a better sense of the sensor sizing in the E-PM1 and K100D S.

Plainly, the two cameras feature different megapixels and different sensor measurements. The E-PM1 due to its smaller sensor will make achieving shallow DOF tougher and the Olympus E-PM1 will result in greater detail as a result of its extra 6 Megapixels. Greater resolution will let you crop images way more aggressively. The newer E-PM1 is going to have a benefit in sensor tech.