Pentax K-7 vs Pentax RZ10

Here, we will be looking at the Pentax K-7 and Pentax RZ10, one being a Advanced DSLR and the latter is a Small Sensor Compact and they are both created by Pentax. The resolution of the K-7 (15MP) and the RZ10 (14MP) is relatively similar but the K-7 (APS-C) and RZ10 (1/2.3") posses totally different sensor dimensions.

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The K-7 was brought out 21 months earlier than the RZ10 which makes them a generation apart from one another. Both cameras feature different body design with the Pentax K-7 being a Mid-size SLR camera and the Pentax RZ10 being a Compact camera.

Before delving into a thorough comparison, here is a short summary of how the K-7 scores against the RZ10 for portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Pentax K-7 and Pentax Optio RZ10. The entire galleries are available at Pentax K-7 Gallery and Pentax RZ10 Gallery.

In case you're looking to lug around your camera frequently, you should think about its weight and size. The Pentax K-7 provides outer measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs) whilst the Pentax RZ10 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs).

Take a look at the Pentax K-7 and Pentax RZ10 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. Here is a front view measurements comparison of the K-7 versus the RZ10.

Using dimensions and weight, the portability score of the K-7 and RZ10 is 60 and 92 respectively.

More often than not, it is very difficult to visualise the difference between sensor measurements merely by reviewing a spec sheet. The graphic below should provide you a much better sense of the sensor sizing in the K-7 and RZ10.

Clearly, each of these cameras come with different megapixel count and different sensor measurements. The K-7 featuring a bigger sensor will make shooting shallow DOF less difficult and the Pentax K-7 will deliver greater detail having its extra 1MP. Higher resolution can also enable you to crop shots a good deal more aggressively. The older K-7 is going to be behind in sensor tech.