Olympus E-P3 vs Pentax I-10

Below is a extensive assessment of the Olympus E-P3 versus Pentax I-10, former being a Entry-Level Mirrorless while the other is a Small Sensor Compact by companies Olympus and Pentax. The sensor resolution of the E-P3 (12MP) and the I-10 (12MP) is very well matched but the E-P3 (Four Thirds) and I-10 (1/2.3") offer different sensor dimensions.

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The E-P3 was manufactured 19 months later than the I-10 making them a generation apart from one another. Both of these cameras feature different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax I-10 being a Compact camera.

Before diving into a complete comparison, here is a concise highlight of how the E-P3 grades against the I-10 in the way of portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus PEN E-P3 & Pentax Optio I-10. The entire galleries are available at Olympus E-P3 Gallery & Pentax I-10 Gallery.

For anybody who is looking to lug around your camera regularly, you will have to factor its weight and proportions. The Olympus E-P3 provides exterior measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") having a weight of 369 grams (0.81 lbs) whilst the Pentax I-10 has measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs).

Contrast the Olympus E-P3 versus Pentax I-10 in our newest Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary based on the lens you have at that moment. Following is a front view overall size comparison of the E-P3 versus the I-10.

Looking at dimensions and weight, the portability rating of the E-P3 and I-10 is 86 and 93 respectively.

Typically, it is very difficult to picture the gap between sensor measurements just by reading through a spec sheet. The graphic below will help give you a better sense of the sensor measurements in the E-P3 and I-10.

Clearly, both the cameras come with the identical megapixel count but different sensor measurements. The E-P3 uses the larger sensor which is going to make getting shallower DOF easier. The more modern E-P3 should have an advantage in sensor tech.