Canon 40D vs Pentax K10D

Below is a extensive comparison of the Canon 40D and Pentax K10D, both Advanced DSLR cameras by brands Canon and Pentax. The sensor resolution of the 40D (10MP) and the K10D (10MP) is fairly close and both cameras posses the same sensor measurements (APS-C).

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The 40D was released 11 months later than the K10D which means that they are both of a similar generation. Both the cameras have the same body design (Mid-size SLR).

Before getting straight to a comprehensive comparison, here is a brief view of how the 40D scores against the K10D in terms of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Canon EOS 40D and Pentax K10D. The complete galleries are available at Canon 40D Gallery and Pentax K10D Gallery.

In case you're planning to lug around your camera regularly, you will want to consider its weight and measurements. The Canon 40D offers physical measurements of 146mm x 108mm x 74mm (5.7" x 4.3" x 2.9") having a weight of 822 grams (1.81 lbs) whilst the Pentax K10D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 793 grams (1.75 lbs).

See the Canon 40D and Pentax K10D in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing during that time. Following is a front view measurements comparison of the 40D against the K10D.

Factoring in dimensions and weight, the portability rating of the 40D and K10D is 57 and 59 respectively.

Quite often, it is very hard to visualize the difference in sensor measurements purely by looking through specs. The photograph below might give you a far better sense of the sensor sizing in the 40D and K10D.

As you can plainly see, each of these cameras provide the same sensor dimensions and the identical MP therefore you should expect comparable quality of photographs though you need to take the production date of the cameras into account. The more modern 40D should have a benefit in sensor innovation.