Pentax K20D vs Sigma SD1

Lets take a more detailed look at the Pentax K20D vs Sigma SD1, both Advanced DSLR cameras by rivals Pentax and Sigma. The image resolution of the K20D (15MP) and the SD1 (15MP) is very comparable and they use the same exact sensor sizes (APS-C).

Photography Glossary

The K20D was unveiled 3 years earlier than the SD1 which is a fairly serious difference as far as camera tech is concerned. Both the cameras offer the identical body type (Mid-size SLR).

Before going straight into a thorough comparison, below is a simple overview of how the K20D scores versus the SD1 in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax K20D & Sigma SD1. The full galleries are viewable at Pentax K20D Gallery & Sigma SD1 Gallery.

If you're aiming to travel with your camera, you are going to need to consider its weight and measurements. The Pentax K20D provides outside measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) and the Sigma SD1 has proportions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).

See the Pentax K20D vs Sigma SD1 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you are utilizing at the time. Here is the front view size comparison of the K20D and the SD1.

Using size and weight, the portability score of the K20D and SD1 is 59 and 77 respectively.

Often, its difficult to visualize the gap in sensor dimensions simply by checking out specifications. The picture below may offer you a clearer sense of the sensor sizing in the K20D and SD1.

Plainly, both cameras offer the same exact sensor sizing and the same exact megapixels and you can expect comparable quality of pictures although you would want to factor the age of the cameras into account. The more aged K20D will be disadvantaged in sensor tech.