Olympus E-P3 vs Panasonic S1

Let's take a deeper look at the Olympus E-P3 and Panasonic S1, one is a Entry-Level Mirrorless and the other is a Small Sensor Compact by brands Olympus and Panasonic. The image resolution of the E-P3 (12MP) and the S1 (12MP) is very comparable but the E-P3 (Four Thirds) and S1 (1/2.3") use totally different sensor dimensions.

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The E-P3 was released 8 months after the S1 which means that they are of a similar generation. Both of these cameras offer different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic S1 being a Compact camera.

Before diving in to a thorough comparison, below is a simple summary of how the E-P3 scores against the S1 with regard to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus PEN E-P3 and Panasonic Lumix DMC-S1. The complete galleries are provided at Olympus E-P3 Gallery and Panasonic S1 Gallery.

For those who are going to travel with your camera regularly, you should think about its weight and measurements. The Olympus E-P3 has physical dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") along with a weight of 369 grams (0.81 lbs) while the Panasonic S1 has proportions of 99mm x 59mm x 21mm (3.9" x 2.3" x 0.8") having a weight of 117 grams (0.26 lbs).

Contrast the Olympus E-P3 and Panasonic S1 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that moment. Following is the front view scale comparison of the E-P3 against the S1.

Considering dimensions and weight, the portability grade of the E-P3 and S1 is 86 and 96 respectively.

Quite often, it is very difficult to see the difference in sensor dimensions just by going through specifications. The image underneath will help give you a greater sense of the sensor dimensions in the E-P3 and S1.

Plainly, both of those cameras offer the same exact megapixels but not the same sensor dimensions. The E-P3 has the larger sensor which should make obtaining shallower DOF simpler. The younger E-P3 will have an edge in sensor tech.