Pentax K100D vs Pentax RZ10

In this article, we will be reviewing the Pentax K100D vs Pentax RZ10, one being a Entry-Level DSLR and the latter is a Small Sensor Compact and both are produced by Pentax. There is a sizeable difference among the sensor resolutions of the K100D (6MP) and RZ10 (14MP) and the K100D (APS-C) and RZ10 (1/2.3") possess different sensor sizes.

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The K100D was introduced 5 years before the RZ10 and that is a fairly large gap as far as camera tech is concerned. Both of the cameras offer different body type with the Pentax K100D being a Compact SLR camera and the Pentax RZ10 being a Compact camera.

Before we go through a thorough comparison, below is a quick highlight of how the K100D matches up vs the RZ10 for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax K100D and Pentax Optio RZ10. The whole galleries are available at Pentax K100D Gallery and Pentax RZ10 Gallery.

When you are planning to carry your camera frequently, you will need to factor its weight and volume. The Pentax K100D enjoys outside measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") along with a weight of 660 grams (1.46 lbs) whilst the Pentax RZ10 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Check the Pentax K100D vs Pentax RZ10 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at the time. Here is the front view over all size comparison of the K100D versus the RZ10.

Considering size and weight, the portability rating of the K100D and RZ10 is 64 and 92 respectively.

Oftentimes, it can be difficult to picture the difference in sensor sizing simply by researching specifications. The graphic here should give you a far better sense of the sensor measurements in the K100D and RZ10.

To sum up, the two cameras offer different megapixels and different sensor sizing. The K100D using its bigger sensor is going to make getting shallow depth of field less difficult and the Pentax RZ10 will provide you with extra detail using its extra 8 Megapixels. Higher resolution will also help you crop shots a little more aggressively. The older K100D will be behind when it comes to sensor tech.