Olympus E-520 vs Sony A55

Let's look a bit more closely at the Olympus E-520 versus Sony A55, both Entry-Level DSLR digital cameras by rivals Olympus and Sony. There is a noticeable difference between the sensor resolutions of the E-520 (10MP) and A55 (16MP) and the E-520 (Four Thirds) and A55 (APS-C) use different sensor dimensions.

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The E-520 was unveiled 24 months earlier than the A55 which makes the cameras a generation away from each other. The two cameras offer the identical body type (Compact SLR).

Before diving in to a full comparison, below is a quick synopsis of how the E-520 grades versus the A55 in the way of portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus E-520 & Sony SLT-A55. The full galleries are viewable at Olympus E-520 Gallery & Sony A55 Gallery.

When you are aiming to carry around your camera regularly, you will need to factor in its weight and size. The Olympus E-520 comes with outer measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") having a weight of 552 grams (1.22 lbs) and the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Check the Olympus E-520 versus Sony A55 in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you have at that moment. The following is the front view physical size comparison of the E-520 versus the A55.

Considering size and weight, the portability rating of the E-520 and A55 is 68 and 67 respectively.

Usually, it is very tough to visualize the gap between sensor sizes simply by going over a spec sheet. The image underneath might offer you a much better sense of the sensor measurements in the E-520 and A55.

As you can see, each of the cameras enjoy different megapixels and different sensor sizes. The E-520 having a tinier sensor is going to make achieving shallower depth of field trickier and the Sony A55 will offer extra detail having an extra 6 Megapixels. Higher resolution will also enable you to crop pictures far more aggressively. The more aged E-520 is going to be behind in sensor tech.