Pentax K-S2 vs Sony A550

Lets look closer at the Pentax K-S2 and Sony A550, both Entry-Level DSLR cameras by competitors Pentax and Sony. There exists a noticeable gap among the sensor resolutions of the K-S2 (20MP) and A550 (14MP) but both cameras offer the same sensor sizes (APS-C).

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The K-S2 was released 5 years after the A550 which is a fairly sizable difference as far as camera technology is concerned. Both the cameras have the same body design (Compact SLR).

Before we go straight to a thorough comparison, here is a simple summary of how the K-S2 scores versus the A550 when it comes to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Pentax K-S2 & Sony Alpha DSLR-A550. The complete galleries are available at Pentax K-S2 Gallery & Sony A550 Gallery.

For those who are planning to travel with your camera often, you will need to consider its weight and proportions. The Pentax K-S2 has got exterior measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs) whilst the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).

See the Pentax K-S2 and Sony A550 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are utilising at that moment. The following is a front view over all size comparison of the K-S2 vs the A550.

Factoring in dimensions and weight, the portability grade of the K-S2 and A550 is 64 and 63 respectively.

Normally, its hard to visualise the contrast in sensor dimensions purely by checking out technical specs. The picture below should offer you a more clear sense of the sensor sizing in the K-S2 and A550.

As you have seen, both cameras provide the same sensor dimensions but not the same MP. You can anticipate the Pentax K-S2 to provide more detail as a result of its extra 6MP. Greater resolution will let you crop photos more aggressively. The more modern K-S2 will have an edge with regard to sensor technology.