Pentax K-S2 vs Sony A33

Following is a complete analysis of the Pentax K-S2 and Sony A33, both Entry-Level DSLR digital cameras by brands Pentax and Sony. There is a sizeable difference between the resolutions of the K-S2 (20MP) and A33 (14MP) but they come with the same exact sensor sizing (APS-C).

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The K-S2 was introduced 4 years after the A33 which is quite a large gap as far as tech is concerned. Both of the cameras offer the identical body type (Compact SLR).

Before going straight into a comprehensive comparison, below is a short summation of how the K-S2 matches up versus the A33 in the way of portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax K-S2 and Sony SLT-A33. The whole galleries are viewable at Pentax K-S2 Gallery and Sony A33 Gallery.

If you're intending to carry around your camera regularly, you are going to need to factor its weight and dimensions. The Pentax K-S2 enjoys physical measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") accompanied by a weight of 678 grams (1.49 lbs) while the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Compare the Pentax K-S2 and Sony A33 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. Underneath is the front view dimensions comparison of the K-S2 against the A33.

Taking into account size and weight, the portability score of the K-S2 and A33 is 64 and 67 respectively.

In many cases, it's hard to visualize the gap between sensor sizes purely by going over a spec sheet. The picture underneath might give you a far better sense of the sensor sizing in the K-S2 and A33.

Clearly, both of the cameras enjoy the same exact sensor sizing but different megapixels. You should expect to see the Pentax K-S2 to deliver greater detail using its extra 6 Megapixels. Greater resolution will enable you to crop photos far more aggressively. The more modern K-S2 should have a benefit when it comes to sensor technology.