Pentax K-S2 vs Sony A55

Here, we will be looking at the Pentax K-S2 and Sony A55, both Entry-Level DSLR digital cameras by companies Pentax and Sony. There is a sizeable difference between the sensor resolutions of the K-S2 (20MP) and A55 (16MP) but both cameras offer the identical sensor dimensions (APS-C).

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The K-S2 was brought out 4 years later than the A55 and that is quite a large gap as far as tech is concerned. Both the cameras feature the same body design (Compact SLR).

Before diving right into a full comparison, here is a short highlight of how the K-S2 grades versus the A55 in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Pentax K-S2 and Sony SLT-A55. The entire galleries are provided at Pentax K-S2 Gallery and Sony A55 Gallery.

For anybody who is looking to lug around your camera frequently, you need to take into account its weight and proportions. The Pentax K-S2 has external dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs) and the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Check out the Pentax K-S2 and Sony A55 in the all new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that time. The following is a front view physical size comparison of the K-S2 and the A55.

Looking at size and weight, the portability score of the K-S2 and A55 is 64 and 67 respectively.

Usually, it's difficult to see the difference between sensor measurements merely by reading through specs. The visual below may offer you a greater sense of the sensor sizes in the K-S2 and A55.

As you can plainly see, both the cameras come with the identical sensor size albeit not the same resolution. You should count on the Pentax K-S2 to resolve more detail having its extra 4MP. Higher resolution will also let you crop shots a good deal more aggressively. The more modern K-S2 will have an advantage when it comes to sensor tech.