Pentax K-500 vs Sony A100

Below is a in depth review of the Pentax K-500 vs Sony A100, both Entry-Level DSLR digital cameras by companies Pentax and Sony. There exists a huge gap between the resolutions of the K-500 (16MP) and A100 (10MP) but both cameras have the same sensor size (APS-C).

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The K-500 was revealed 7 years later than the A100 and that is quite a significant gap as far as technology is concerned. The two cameras have the same body design (Compact SLR).

Before delving right into a in-depth comparison, here is a quick view of how the K-500 grades vs the A100 with regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Pentax K-500 and Sony Alpha DSLR-A100. The full galleries are available at Pentax K-500 Gallery and Sony A100 Gallery.

When you are intending to lug around your camera regularly, you're going to have to factor its weight and volume. The Pentax K-500 has got outside measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") with a weight of 646 grams (1.42 lbs) whilst the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Take a look at the Pentax K-500 vs Sony A100 in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. Following is a front view physical size comparison of the K-500 vs the A100.

Taking into account dimensions and weight, the portability rating of the K-500 and A100 is 64 and 64 respectively.

Quite often, it is very difficult to see the contrast between sensor measurements only by reviewing specifications. The visual here will help provide you a far better sense of the sensor sizing in the K-500 and A100.

Plainly, both of these cameras have the same sensor dimensions but not the same megapixels. You should expect to see the Pentax K-500 to deliver extra detail because of its extra 6MP. Greater resolution will allow you to crop images a bit more aggressively. The newer K-500 will have an advantage with regard to sensor technology.