Pentax K-3 vs Sigma SD9

Lets look more closely at the Pentax K-3 vs Sigma SD9, both Advanced DSLR digital cameras by manufacturers Pentax and Sigma. There exists a considerable gap between the sensor resolutions of the K-3 (24MP) and SD9 (3MP) but both cameras provide the identical sensor size (APS-C).

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The K-3 was introduced 11 years after the SD9 which is quite a large difference as far as technology is concerned. The two cameras feature the same body design (Mid-size SLR).

Before diving into a detailed comparison, here is a quick view of how the K-3 scores versus the SD9 with regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Pentax K-3 & Sigma SD9. The whole galleries are viewable at Pentax K-3 Gallery & Sigma SD9 Gallery.

When you are aiming to carry around your camera often, you should think about its weight and dimensions. The Pentax K-3 features outer dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) whilst the Sigma SD9 has dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") accompanied by a weight of 950 grams (2.09 lbs).

Examine the Pentax K-3 vs Sigma SD9 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary depending on the lens you have attached at that time. Here is a front view dimension comparison of the K-3 vs the SD9.

Using dimensions and weight, the portability grade of the K-3 and SD9 is 59 and 54 respectively.

More often than not, it is tough to see the gap between sensor sizes purely by going over a spec sheet. The image underneath will help offer you a much better sense of the sensor dimensions in the K-3 and SD9.

As you can see, each of these cameras feature the identical sensor size but not the same resolution. You can anticipate the Pentax K-3 to offer you extra detail using its extra 21 Megapixels. Greater resolution will also help you crop pics way more aggressively. The more recent K-3 will have a benefit with regard to sensor innovation.