Olympus E-P3 vs Sony NEX-7

In this article, we are looking at the Olympus E-P3 and Sony NEX-7, former is a Entry-Level Mirrorless while the other is a Advanced Mirrorless by manufacturers Olympus and Sony. There exists a considerable gap among the image resolutions of the E-P3 (12MP) and NEX-7 (24MP) and the E-P3 (Four Thirds) and NEX-7 (APS-C) enjoy totally different sensor measurements.

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The E-P3 was introduced 3 months earlier than the NEX-7 which means that they are of a similar age. Both cameras offer the identical body type (Rangefinder-style mirrorless).

Before diving in to a thorough comparison, below is a concise introduction of how the E-P3 grades versus the NEX-7 when it comes to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus PEN E-P3 & Sony Alpha NEX-7. The whole galleries are viewable at Olympus E-P3 Gallery & Sony NEX-7 Gallery.

When you are intending to travel with your camera regularly, you are going to need to factor its weight and size. The Olympus E-P3 features physical dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") accompanied by a weight of 369 grams (0.81 lbs) and the Sony NEX-7 has specifications of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") accompanied by a weight of 400 grams (0.88 lbs).

Look at the Olympus E-P3 and Sony NEX-7 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ dependant on the lens you use at that moment. The following is the front view size comparison of the E-P3 and the NEX-7.

Factoring in dimensions and weight, the portability grade of the E-P3 and NEX-7 is 86 and 84 respectively.

Typically, it is hard to see the difference in sensor dimensions simply by viewing specs. The picture below may give you a more clear sense of the sensor dimensions in the E-P3 and NEX-7.

As you can plainly see, both of the cameras enjoy different megapixel count and different sensor dimensions. The E-P3 having a smaller sensor will make shooting bokeh more difficult and the Sony NEX-7 will result in extra detail using its extra 12 Megapixels. Greater resolution will also let you crop pics far more aggressively.