Olympus E-PM1 vs Pentax H90

Let's look more closely at the Olympus E-PM1 versus Pentax H90, one being a Entry-Level Mirrorless and the latter is a Small Sensor Compact by rivals Olympus and Pentax. The image resolution of the E-PM1 (12MP) and the H90 (12MP) is pretty comparable but the E-PM1 (Four Thirds) and H90 (1/2.3") have different sensor measurements.

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The E-PM1 was unveiled 23 months later than the H90 which makes them a generation apart from one another. Both cameras have different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax H90 being a Compact camera.

Before diving into a step-by-step comparison, here is a concise overview of how the E-PM1 grades against the H90 when considering portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Olympus PEN E-PM1 and Pentax Optio H90. The full galleries are viewable at Olympus E-PM1 Gallery and Pentax H90 Gallery.

If you are intending to lug around your camera frequently, you'll need to factor its weight and volume. The Olympus E-PM1 has exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 265 grams (0.58 lbs) while the Pentax H90 has sizing of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs).

Check the Olympus E-PM1 versus Pentax H90 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at the time. Here is a front view dimensions comparison of the E-PM1 compared to the H90.

Using dimensions and weight, the portability rating of the E-PM1 and H90 is 89 and 93 respectively.

Typically, it can be tough to picture the contrast in sensor measurements purely by going through technical specs. The photograph underneath will give you a stronger sense of the sensor measurements in the E-PM1 and H90.

As you can tell, both of the cameras provide the same megapixel count albeit different sensor measurements. The E-PM1 includes the bigger sensor which should make getting shallower depth of field simpler. The more recent E-PM1 should have an advantage when it comes to sensor technology.