Pentax K-3 vs Pentax K100D S

Lets look much closer at the Pentax K-3 versus Pentax K100D S, one being a Advanced DSLR and the latter is a Entry-Level DSLR and they are both sold by Pentax. There exists a huge gap among the sensor resolutions of the K-3 (24MP) and K100D S (6MP) but they come with the exact same sensor sizing (APS-C).

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The K-3 was released 6 years later than the K100D S and that is a fairly significant gap as far as camera technology is concerned. Each of the cameras come with different body type with the Pentax K-3 being a Mid-size SLR camera and the Pentax K100D S being a Compact SLR camera.

Before getting straight into a complete comparison, below is a simple summation of how the K-3 scores versus the K100D S in relation to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Pentax K-3 and Pentax K100D Super. The complete galleries are available at Pentax K-3 Gallery and Pentax K100D S Gallery.

For anyone who is aiming to lug around your camera, you will need to factor its weight and proportions. The Pentax K-3 has outer measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) and the Pentax K100D S has measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).

Check the Pentax K-3 versus Pentax K100D S in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that time. Here is the front view measurements comparison of the K-3 and the K100D S.

Taking into account dimensions and weight, the portability rating of the K-3 and K100D S is 59 and 65 respectively.

Normally, it is tough to visualise the difference in sensor measurements purely by looking through a spec sheet. The visual below may give you a much better sense of the sensor measurements in the K-3 and K100D S.

As you can see, both of those cameras have got the exact same sensor measurements albeit not the same MP. You should expect the Pentax K-3 to provide you with more detail as a result of its extra 18 Megapixels. Higher resolution will also let you crop photographs much more aggressively. The younger K-3 is going to have an edge when it comes to sensor innovation.