Pentax ist DS2 vs Sigma SD15

Lets look much closer at the Pentax ist DS2 and Sigma SD15, both Advanced DSLR cameras by competitors Pentax and Sigma. The resolution of the ist DS2 (6MP) and the SD15 (5MP) is pretty comparable and they come with the same exact sensor size (APS-C).

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The ist DS2 was launched 5 years before the SD15 which is a fairly significant gap as far as camera tech is concerned. Both of the cameras offer the identical body type (Mid-size SLR).

Before getting straight into a more detailed comparison, below is a brief overview of how the ist DS2 grades vs the SD15 in the way of portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Pentax ist DS2 and Sigma SD15. The complete galleries are viewable at Pentax ist DS2 Gallery and Sigma SD15 Gallery.

If you are intending to travel with your camera frequently, you're going to have to factor its weight and measurements. The Pentax ist DS2 enjoys exterior measurements of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") having a weight of 605 grams (1.33 lbs) while the Sigma SD15 has proportions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Take a look at the Pentax ist DS2 and Sigma SD15 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at the time. Below is the front view overall size comparison of the ist DS2 versus the SD15.

Factoring in size and weight, the portability score of the ist DS2 and SD15 is 68 and 59 respectively.

In many cases, it is very hard to see the contrast in sensor dimensions simply by seeing a spec sheet. The image here might offer you a better sense of the sensor measurements in the ist DS2 and SD15.

As you can see, both of the cameras enjoy the same exact sensor sizing albeit not the same resolution. You should expect the Pentax ist DS2 to show greater detail utilizing its extra 1MP. Higher resolution will also let you crop photographs far more aggressively. The more aged ist DS2 will be disadvantaged in sensor tech.