Pentax K-3 vs Sigma SD15

The following is a thorough overview of the Pentax K-3 and Sigma SD15, both Advanced DSLR digital cameras by manufacturers Pentax and Sigma. There exists a substantial gap between the sensor resolutions of the K-3 (24MP) and SD15 (5MP) but both cameras posses the identical sensor dimensions (APS-C).

President Biden pushes bill mandating TikTok sale or ban

The K-3 was revealed 4 years after the SD15 which is quite a big difference as far as technology is concerned. The two cameras feature the same body design (Mid-size SLR).

Before going into a full comparison, here is a simple summation of how the K-3 matches up versus the SD15 when considering portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Pentax K-3 & Sigma SD15. The full galleries are available at Pentax K-3 Gallery & Sigma SD15 Gallery.

For anybody who is aiming to travel with your camera often, you will need to take into account its weight and proportions. The Pentax K-3 has outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) whilst the Sigma SD15 has measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs).

See the Pentax K-3 and Sigma SD15 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change dependant on the lens you have chosen at the time. Following is a front view proportions comparison of the K-3 and the SD15.

Considering dimensions and weight, the portability rating of the K-3 and SD15 is 59 and 59 respectively.

Sometimes, it is very hard to visualise the contrast between sensor dimensions merely by reading through specs. The pic underneath should provide you a stronger sense of the sensor measurements in the K-3 and SD15.

As you can plainly see, both the cameras feature the identical sensor size albeit not the same MP. You can expect the Pentax K-3 to give you extra detail because of its extra 19MP. Higher resolution will also allow you to crop pictures way more aggressively. The younger K-3 is going to have an advantage when it comes to sensor innovation.