Pentax K100D vs Sony A450

Lets look closer at the Pentax K100D versus Sony A450, both Entry-Level DSLR cameras by brands Pentax and Sony. There exists a sizeable gap among the resolutions of the K100D (6MP) and A450 (14MP) but they possess the same exact sensor sizes (APS-C).

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The K100D was brought out 4 years earlier than the A450 which is a fairly large gap as far as camera technology is concerned. Both of the cameras offer the identical body type (Compact SLR).

Before we go in to a more detailed comparison, below is a quick view of how the K100D scores vs the A450 with respect to portability, imaging, features and an overall score.

This is a preview of the gallery images for Pentax K100D and Sony Alpha DSLR-A450. The entire galleries are available at Pentax K100D Gallery and Sony A450 Gallery.

For anybody who is planning to carry around your camera, you will have to think about its weight and volume. The Pentax K100D offers outside dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs) while the Sony A450 has sizing of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") with a weight of 560 grams (1.23 lbs).

Examine the Pentax K100D versus Sony A450 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that time. Below is the front view proportions comparison of the K100D against the A450.

Using dimensions and weight, the portability rating of the K100D and A450 is 64 and 65 respectively.

Typically, it is very tough to see the contrast in sensor sizes purely by viewing a spec sheet. The picture below might provide you a stronger sense of the sensor dimensions in the K100D and A450.

As you can see, both of these cameras offer the same exact sensor sizing albeit not the same resolution. You should expect the Sony A450 to result in extra detail having its extra 8MP. Higher resolution will also make it easier to crop shots a little more aggressively. The more aged K100D will be behind in sensor technology.