Pentax K-x vs Sony A58

Here, we will be matching up the Pentax K-x and Sony A58, both Entry-Level DSLR digital cameras by manufacturers Pentax and Sony. There exists a crucial gap between the resolutions of the K-x (12MP) and A58 (20MP) but both cameras provide the identical sensor dimensions (APS-C).

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The K-x was announced 4 years prior to the A58 which is quite a serious gap as far as technology is concerned. The two cameras feature the same body design (Compact SLR).

Before delving right into a thorough comparison, here is a quick highlight of how the K-x grades against the A58 in relation to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Pentax K-x and Sony SLT-A58. The whole galleries are available at Pentax K-x Gallery and Sony A58 Gallery.

When you are planning to carry around your camera often, you need to think about its weight and volume. The Pentax K-x has got outer dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Sony A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") accompanied by a weight of 492 grams (1.08 lbs).

Check out the Pentax K-x and Sony A58 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached during that time. The following is a front view overall size comparison of the K-x versus the A58.

Using dimensions and weight, the portability rating of the K-x and A58 is 69 and 68 respectively.

Typically, it is difficult to visualize the difference between sensor sizes just by looking at a spec sheet. The image here may provide you a much better sense of the sensor sizes in the K-x and A58.

Clearly, both cameras come with the identical sensor size albeit different megapixels. You should count on the Sony A58 to give you extra detail with its extra 8 Megapixels. Higher resolution will also help you crop photographs a good deal more aggressively. The more aged K-x is going to be behind in sensor innovation.