Pentax KP vs Sigma SD9

Let's look more closely at the Pentax KP versus Sigma SD9, both Advanced DSLR digital cameras by companies Pentax and Sigma. There is a crucial difference between the resolutions of the KP (24MP) and SD9 (3MP) but both cameras have the same sensor measurements (APS-C).

Photography Glossary

The KP was introduced 14 years after the SD9 which is quite a serious gap as far as tech is concerned. Both the cameras have the same body design (Mid-size SLR).

Before diving straight to a detailed comparison, here is a quick highlight of how the KP grades versus the SD9 with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax KP and Sigma SD9. The whole galleries are viewable at Pentax KP Gallery and Sigma SD9 Gallery.

If you are looking to carry around your camera regularly, you should factor in its weight and size. The Pentax KP has got outside measurements of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") with a weight of 703 grams (1.55 lbs) while the Sigma SD9 has specifications of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs).

Check the Pentax KP versus Sigma SD9 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Following is a front view dimensions comparison of the KP versus the SD9.

Looking at size and weight, the portability score of the KP and SD9 is 61 and 54 respectively.

Usually, it is hard to picture the contrast between sensor sizes purely by checking specs. The image here might offer you a clearer sense of the sensor measurements in the KP and SD9.

As you can plainly see, both of these cameras have the same sensor dimensions albeit different megapixels. You should expect the Pentax KP to resolve more detail using its extra 21 Megapixels. Higher resolution will make it easier to crop pictures a bit more aggressively. The newer KP provides an edge with regard to sensor innovation.