Olympus E-M1 vs Olympus E-P3

Here, we will be matching up the Olympus E-M1 versus Olympus E-P3, one is a Pro Mirrorless and the latter is a Entry-Level Mirrorless and both of them are manufactured by Olympus. There exists a sizeable gap among the sensor resolutions of the E-M1 (16MP) and E-P3 (12MP) but both cameras offer the identical sensor measurements (Four Thirds).

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The E-M1 was launched 2 years after the E-P3 which is a fairly large gap as far as camera technology is concerned. Each of the cameras feature different body design with the Olympus E-M1 being a SLR-style mirrorless camera and the Olympus E-P3 being a Rangefinder-style mirrorless camera.

Before we go into a complete comparison, here is a short introduction of how the E-M1 scores against the E-P3 when considering portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Olympus OM-D E-M1 and Olympus PEN E-P3. The complete galleries are available at Olympus E-M1 Gallery and Olympus E-P3 Gallery.

For anybody who is aiming to travel with your camera regularly, you're going to have to factor in its weight and proportions. The Olympus E-M1 features outside measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") having a weight of 497 grams (1.10 lbs) while the Olympus E-P3 has measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") and a weight of 369 grams (0.81 lbs).

Check out the Olympus E-M1 versus Olympus E-P3 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you have at the time. The following is a front view physical size comparison of the E-M1 vs the E-P3.

Factoring in dimensions and weight, the portability grade of the E-M1 and E-P3 is 71 and 86 respectively.

Typically, it is very difficult to visualize the difference in sensor dimensions purely by going through specs. The pic here might offer you a more clear sense of the sensor measurements in the E-M1 and E-P3.

As you can plainly see, both of these cameras come with the identical sensor size albeit different resolution. You should count on the Olympus E-M1 to provide more detail utilizing its extra 4MP. Higher resolution can also let you crop pictures a good deal more aggressively. The more recent E-M1 should have an advantage when it comes to sensor tech.