Pentax K100D S vs Sony A300

The following is a thorough comparison of the Pentax K100D S versus Sony A300, both Entry-Level DSLR cameras by rivals Pentax and Sony. There exists a huge gap among the sensor resolutions of the K100D S (6MP) and A300 (10MP) but they enjoy the exact same sensor dimensions (APS-C).

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The K100D S was manufactured 7 months earlier than the A300 and they are of a similar generation. Both of the cameras come with the identical body type (Compact SLR).

Before going straight into a more detailed comparison, below is a quick synopsis of how the K100D S scores vs the A300 in regards to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Pentax K100D Super and Sony Alpha DSLR-A300. The entire galleries are provided at Pentax K100D S Gallery and Sony A300 Gallery.

For anyone who is aiming to travel with your camera frequently, you should think about its weight and size. The Pentax K100D S comes with outer dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") accompanied by a weight of 646 grams (1.42 lbs) while the Sony A300 has specifications of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") accompanied by a weight of 632 grams (1.39 lbs).

Check out the Pentax K100D S versus Sony A300 in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that time. Here is the front view proportions comparison of the K100D S against the A300.

Considering dimensions and weight, the portability grade of the K100D S and A300 is 65 and 64 respectively.

Typically, it can be hard to see the difference in sensor dimensions simply by researching specs. The pic underneath will help provide you a much better sense of the sensor sizes in the K100D S and A300.

All in all, both of those cameras have got the exact same sensor measurements albeit not the same MP. You should expect the Sony A300 to provide you with greater detail due to its extra 4MP. Higher resolution can also allow you to crop photographs much more aggressively. The more aged K100D S will be disadvantaged in sensor innovation.