Pentax K100D S vs Sony A500

The following is a in-depth overview of the Pentax K100D S vs Sony A500, both Entry-Level DSLR digital cameras by companies Pentax and Sony. There is a big difference between the sensor resolutions of the K100D S (6MP) and A500 (12MP) but both cameras boast the same sensor measurements (APS-C).

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The K100D S was released 3 years prior to the A500 which is quite a big gap as far as tech is concerned. Both of the cameras have the same body design (Compact SLR).

Before going into a complete comparison, here is a brief highlight of how the K100D S scores against the A500 with respect to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Pentax K100D Super and Sony Alpha DSLR-A500. The complete galleries are available at Pentax K100D S Gallery and Sony A500 Gallery.

For those who are aiming to travel with your camera regularly, you're going to have to factor its weight and dimensions. The Pentax K100D S enjoys physical dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs) and the Sony A500 has dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") along with a weight of 630 grams (1.39 lbs).

Check out the Pentax K100D S vs Sony A500 in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. Following is a front view size comparison of the K100D S vs the A500.

Using size and weight, the portability score of the K100D S and A500 is 65 and 63 respectively.

Often, it is very difficult to see the gap between sensor dimensions just by reviewing technical specs. The pic underneath will provide you a far better sense of the sensor sizes in the K100D S and A500.

As you can tell, both of those cameras provide the same sensor dimensions albeit not the same MP. You should count on the Sony A500 to offer you more detail as a result of its extra 6 Megapixels. Higher resolution will allow you to crop pictures more aggressively. The more aged K100D S is going to be disadvantaged with regard to sensor innovation.