Olympus E-520 vs Pentax K-S1

Let's take a deeper look at the Olympus E-520 vs Pentax K-S1, one is a Entry-Level DSLR and the other is a Advanced DSLR by brands Olympus and Pentax. There exists a significant gap among the resolutions of the E-520 (10MP) and K-S1 (20MP) and the E-520 (Four Thirds) and K-S1 (APS-C) provide totally different sensor sizes.

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The E-520 was brought out 7 years before the K-S1 which is a fairly sizable gap as far as camera technology is concerned. Both cameras feature different body design with the Olympus E-520 being a Compact SLR camera and the Pentax K-S1 being a Mid-size SLR camera.

Before going straight to a comprehensive comparison, here is a concise overview of how the E-520 scores versus the K-S1 in regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus E-520 and Pentax K-S1. The entire galleries are provided at Olympus E-520 Gallery and Pentax K-S1 Gallery.

When you are intending to travel with your camera frequently, you'll need to think about its weight and measurements. The Olympus E-520 enjoys outside measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") having a weight of 552 grams (1.22 lbs) while the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Look at the Olympus E-520 vs Pentax K-S1 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose at that time. Following is a front view overall size comparison of the E-520 and the K-S1.

Using dimensions and weight, the portability rating of the E-520 and K-S1 is 68 and 69 respectively.

Normally, its tough to see the gap in sensor dimensions purely by researching a spec sheet. The pic here should provide you a greater sense of the sensor measurements in the E-520 and K-S1.

Clearly, each of these cameras feature different megapixel count and different sensor dimensions. The E-520 featuring a smaller sensor will make shooting shallow depth of field more challenging and the Pentax K-S1 will provide you with greater detail having its extra 10 Megapixels. Greater resolution will allow you to crop images way more aggressively. The more aged E-520 will be behind with regard to sensor tech.