Olympus E-520 vs Pentax K-7

Let's take a deeper look at the Olympus E-520 and Pentax K-7, former being a Entry-Level DSLR while the latter is a Advanced DSLR by competitors Olympus and Pentax. There exists a considerable gap between the sensor resolutions of the E-520 (10MP) and K-7 (15MP) and the E-520 (Four Thirds) and K-7 (APS-C) feature different sensor sizes.

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The E-520 was revealed 13 months earlier than the K-7 which makes the cameras a generation apart from one another. Both the cameras offer different body type with the Olympus E-520 being a Compact SLR camera and the Pentax K-7 being a Mid-size SLR camera.

Before diving through a in-depth comparison, below is a short synopsis of how the E-520 grades versus the K-7 when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus E-520 & Pentax K-7. The full galleries are provided at Olympus E-520 Gallery & Pentax K-7 Gallery.

When you are planning to carry your camera, you should factor its weight and dimensions. The Olympus E-520 comes with physical measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 552 grams (1.22 lbs) whilst the Pentax K-7 has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Check the Olympus E-520 and Pentax K-7 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you are working with at that moment. Below is the front view dimension comparison of the E-520 against the K-7.

Looking at dimensions and weight, the portability rating of the E-520 and K-7 is 68 and 60 respectively.

Normally, it can be hard to imagine the contrast between sensor sizing merely by reviewing specifications. The graphic below might provide you a clearer sense of the sensor sizing in the E-520 and K-7.

Plainly, each of these cameras offer different megapixel count and different sensor sizing. The E-520 with its tinier sensor is going to make achieving bokeh more challenging and the Pentax K-7 will offer greater detail because of its extra 5MP. Higher resolution will make it easier to crop photographs a little more aggressively. The older E-520 is going to be behind with regard to sensor tech.