Pentax K-7 vs Pentax RZ18

Lets look a bit more in depth at the Pentax K-7 vs Pentax RZ18, one being a Advanced DSLR and the latter is a Small Sensor Superzoom and both of them are created by Pentax. The image resolution of the K-7 (15MP) and the RZ18 (16MP) is pretty comparable but the K-7 (APS-C) and RZ18 (1/2.3") provide totally different sensor size.

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The K-7 was brought out 23 months before the RZ18 which makes them a generation apart from each other. Both cameras have different body design with the Pentax K-7 being a Mid-size SLR camera and the Pentax RZ18 being a Compact camera.

Before getting into a more detailed comparison, here is a simple introduction of how the K-7 matches up versus the RZ18 in terms of portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Pentax K-7 and Pentax Optio RZ18. The entire galleries are available at Pentax K-7 Gallery and Pentax RZ18 Gallery.

When you are aiming to lug around your camera regularly, you're going to have to take into account its weight and proportions. The Pentax K-7 enjoys physical dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs) while the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Examine the Pentax K-7 vs Pentax RZ18 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing at that time. Here is a front view proportions comparison of the K-7 compared to the RZ18.

Looking at size and weight, the portability grade of the K-7 and RZ18 is 60 and 92 respectively.

Oftentimes, it's tough to envision the difference in sensor measurements simply by checking out specs. The visual underneath will help offer you a more clear sense of the sensor dimensions in the K-7 and RZ18.

As you can plainly see, both of those cameras have different resolutions and different sensor measurements. The K-7 featuring a bigger sensor will make getting shallower depth of field less difficult and the Pentax RZ18 will show greater detail having its extra 1 Megapixels. Higher resolution will also enable you to crop shots a bit more aggressively. The older K-7 will be behind when it comes to sensor innovation.