Pentax K100D vs Sony A500

Here is a comprehensive assessment of the Pentax K100D versus Sony A500, both Entry-Level DSLR digital cameras by competitors Pentax and Sony. There exists a sizable gap between the sensor resolutions of the K100D (6MP) and A500 (12MP) but both cameras posses the identical sensor size (APS-C).

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The K100D was revealed 3 years before the A500 and that is quite a significant difference as far as technology is concerned. Both the cameras feature the same body design (Compact SLR).

Before going straight to a full comparison, here is a simple introduction of how the K100D scores vs the A500 when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Pentax K100D & Sony Alpha DSLR-A500. The full galleries are viewable at Pentax K100D Gallery & Sony A500 Gallery.

In case you're looking to carry your camera often, you will want to take into account its weight and size. The Pentax K100D has got exterior measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") having a weight of 660 grams (1.46 lbs) whilst the Sony A500 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 630 grams (1.39 lbs).

Analyze the Pentax K100D versus Sony A500 in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary dependant on the lens you are employing at that moment. Here is a front view scale comparison of the K100D compared to the A500.

Using dimensions and weight, the portability grade of the K100D and A500 is 64 and 63 respectively.

Typically, it can be hard to imagine the gap between sensor sizing merely by reviewing a spec sheet. The graphic below might provide you a better sense of the sensor sizing in the K100D and A500.

As you can see, each of the cameras come with the identical sensor size but different megapixels. You can anticipate the Sony A500 to offer greater detail because of its extra 6MP. Greater resolution will help you crop photos a good deal more aggressively. The older K100D is going to be behind in sensor technology.