Olympus E-620 vs Sony NEX-7

Below, we will be evaluating the Olympus E-620 and Sony NEX-7, former being a Entry-Level DSLR while the latter is a Advanced Mirrorless by rivals Olympus and Sony. There exists a substantial gap between the resolutions of the E-620 (12MP) and NEX-7 (24MP) and the E-620 (Four Thirds) and NEX-7 (APS-C) possess totally different sensor sizing.

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The E-620 was announced 3 years before the NEX-7 and that is quite a big difference as far as technology is concerned. Each of these cameras come with different body type with the Olympus E-620 being a Compact SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before delving through a full comparison, below is a concise highlight of how the E-620 scores against the NEX-7 when it comes to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus E-620 & Sony Alpha NEX-7. The whole galleries are viewable at Olympus E-620 Gallery & Sony NEX-7 Gallery.

If you're aiming to lug around your camera often, you will need to consider its weight and volume. The Olympus E-620 provides physical dimensions of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") accompanied by a weight of 500 grams (1.10 lbs) while the Sony NEX-7 has sizing of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") and a weight of 400 grams (0.88 lbs).

Take a look at the Olympus E-620 and Sony NEX-7 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you have chosen at that moment. Following is the front view dimension comparison of the E-620 and the NEX-7.

Taking into account dimensions and weight, the portability grade of the E-620 and NEX-7 is 71 and 84 respectively.

Typically, it is very tough to envision the gap between sensor measurements merely by looking at technical specs. The visual here will provide you a better sense of the sensor sizes in the E-620 and NEX-7.

As you have seen, both of these cameras have got different megapixel count and different sensor measurements. The E-620 using its tinier sensor will make achieving shallow DOF harder and the Sony NEX-7 will resolve greater detail with its extra 12MP. Higher resolution will help you crop shots much more aggressively. The older E-620 is going to be disadvantaged with regard to sensor innovation.