Pentax K-7 vs Sigma SD10

Following is a detailed analysis of the Pentax K-7 versus Sigma SD10, both Advanced DSLR digital cameras by brands Pentax and Sigma. There exists a substantial gap between the sensor resolutions of the K-7 (15MP) and SD10 (3MP) but both cameras offer the same sensor measurements (APS-C).

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The K-7 was announced 5 years after the SD10 which is quite a big difference as far as technology is concerned. Both of these cameras have the same body design (Mid-size SLR).

Before getting right into a detailed comparison, here is a quick summation of how the K-7 grades vs the SD10 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery images for Pentax K-7 & Sigma SD10. The whole galleries are viewable at Pentax K-7 Gallery & Sigma SD10 Gallery.

In case you're going to carry around your camera often, you have to factor in its weight and size. The Pentax K-7 enjoys external dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs) while the Sigma SD10 has specifications of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") along with a weight of 950 grams (2.09 lbs).

Compare the Pentax K-7 versus Sigma SD10 in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary based on the lens you are using at that moment. The following is a front view measurements comparison of the K-7 against the SD10.

Looking at dimensions and weight, the portability score of the K-7 and SD10 is 60 and 54 respectively.

Typically, it can be tough to visualize the contrast between sensor sizes just by looking at a spec sheet. The pic underneath will help give you a better sense of the sensor sizes in the K-7 and SD10.

Clearly, the two cameras provide the same sensor dimensions albeit different MP. You can expect the Pentax K-7 to give greater detail with its extra 12MP. Higher resolution will enable you to crop photographs more aggressively. The more recent K-7 provides a benefit in sensor innovation.