Olympus E-PM1 vs Pentax Efina

Lets take a closer look at the Olympus E-PM1 and Pentax Efina, one being a Entry-Level Mirrorless and the other is a Ultracompact by brands Olympus and Pentax. The sensor resolution of the E-PM1 (12MP) and the Efina (14MP) is very close but the E-PM1 (Four Thirds) and Efina (1/2.3") possess totally different sensor size.

Photography Glossary

The E-PM1 was brought out 18 months earlier than the Efina making the cameras a generation apart from each other. Both of the cameras offer different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax Efina being a Ultracompact camera.

Before going straight into a more detailed comparison, below is a brief highlight of how the E-PM1 grades against the Efina when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Olympus PEN E-PM1 and Pentax Efina. The entire galleries are available at Olympus E-PM1 Gallery and Pentax Efina Gallery.

If you are planning to carry your camera regularly, you'll have to factor its weight and volume. The Olympus E-PM1 enjoys outer dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") accompanied by a weight of 265 grams (0.58 lbs) whilst the Pentax Efina has sizing of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs).

Analyze the Olympus E-PM1 and Pentax Efina in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at the time. Following is the front view dimensions comparison of the E-PM1 compared to the Efina.

Taking into consideration size and weight, the portability rating of the E-PM1 and Efina is 89 and 97 respectively.

Oftentimes, it can be difficult to see the contrast in sensor sizing merely by viewing technical specs. The graphic underneath will help offer you a far better sense of the sensor dimensions in the E-PM1 and Efina.

As you have seen, both of those cameras enjoy different megapixels and different sensor sizing. The E-PM1 featuring a larger sensor will make achieving shallower DOF less difficult and the Pentax Efina will provide you with extra detail having its extra 2MP. Greater resolution will let you crop photos far more aggressively. The older E-PM1 will be disadvantaged in sensor tech.