Pentax K-S1 vs Sony A580

The following is a detailed review of the Pentax K-S1 and Sony A580, former is a Advanced DSLR while the other is a Entry-Level DSLR by brands Pentax and Sony. There is a large difference between the sensor resolutions of the K-S1 (20MP) and A580 (16MP) but they use the exact same sensor sizing (APS-C).

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The K-S1 was launched 3 years after the A580 which is quite a serious difference as far as tech is concerned. Both of the cameras come with different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony A580 being a Compact SLR camera.

Before we go straight into a step-by-step comparison, below is a concise summary of how the K-S1 grades against the A580 with regard to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax K-S1 & Sony Alpha DSLR-A580. The complete galleries are available at Pentax K-S1 Gallery & Sony A580 Gallery.

For those who are looking to travel with your camera regularly, you will want to take into account its weight and proportions. The Pentax K-S1 offers exterior dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs) and the Sony A580 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 599 grams (1.32 lbs).

See the Pentax K-S1 and Sony A580 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you choose at the time. Here is the front view scale comparison of the K-S1 compared to the A580.

Looking at size and weight, the portability grade of the K-S1 and A580 is 69 and 64 respectively.

Oftentimes, it can be hard to picture the gap between sensor dimensions purely by reading through specifications. The pic underneath will offer you a more clear sense of the sensor sizes in the K-S1 and A580.

To sum up, both cameras posses the exact same sensor measurements but different megapixels. You can expect to see the Pentax K-S1 to give greater detail utilizing its extra 4 Megapixels. Greater resolution will let you crop pics somewhat more aggressively. The younger K-S1 provides a benefit when it comes to sensor technology.