Pentax K100D S vs Sony A65

Lets look a little more in depth at the Pentax K100D S versus Sony A65, both Entry-Level DSLR cameras by competitors Pentax and Sony. There is a big difference among the sensor resolutions of the K100D S (6MP) and A65 (24MP) but they come with the exact same sensor dimensions (APS-C).

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The K100D S was released 5 years before the A65 and that is a fairly big gap as far as camera tech is concerned. Each of the cameras come with the identical body type (Compact SLR).

Before we go straight into a full comparison, below is a concise summation of how the K100D S matches up versus the A65 with respect to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Pentax K100D Super and Sony SLT-A65. The complete galleries are viewable at Pentax K100D S Gallery and Sony A65 Gallery.

If you are looking to lug around your camera frequently, you will have to consider its weight and volume. The Pentax K100D S features outside measurements 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 A65 has sizing of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") and a weight of 622 grams (1.37 lbs).

Check out the Pentax K100D S versus Sony A65 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with during that time. Underneath is the front view over all size comparison of the K100D S against the A65.

Looking at size and weight, the portability grade of the K100D S and A65 is 65 and 64 respectively.

Usually, it can be difficult to imagine the contrast in sensor measurements merely by going through specs. The visual below will help give you a far better sense of the sensor sizing in the K100D S and A65.

All in all, each of these cameras have got the exact same sensor measurements but different MP. You should expect to see the Sony A65 to produce greater detail as a result of its extra 18 Megapixels. Greater resolution will also help you crop pics much more aggressively. The older K100D S will be behind with regard to sensor tech.