Pentax K100D S vs Pentax RZ18

In this write-up, we are analyzing the Pentax K100D S vs Pentax RZ18, former is a Entry-Level DSLR while the other is a Small Sensor Superzoom and both are produced by Pentax. There exists a considerable gap between the sensor resolutions of the K100D S (6MP) and RZ18 (16MP) and the K100D S (APS-C) and RZ18 (1/2.3") possess totally different sensor size.

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The K100D S was released 5 years prior to the RZ18 which is quite a large difference as far as technology is concerned. Both cameras offer different body type with the Pentax K100D S being a Compact SLR camera and the Pentax RZ18 being a Compact camera.

Before getting straight into a more detailed comparison, below is a brief view of how the K100D S scores vs the RZ18 when it comes to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Pentax K100D Super & Pentax Optio RZ18. The complete galleries are viewable at Pentax K100D S Gallery & Pentax RZ18 Gallery.

For those who are aiming to carry around your camera, you need to factor in its weight and measurements. The Pentax K100D S features outer measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs) and the Pentax RZ18 has proportions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs).

Analyze the Pentax K100D S vs Pentax RZ18 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you have chosen at the time. Underneath is the front view sizing comparison of the K100D S against the RZ18.

Taking into account dimensions and weight, the portability score of the K100D S and RZ18 is 65 and 92 respectively.

More often than not, it's difficult to envision the contrast between sensor sizes simply by reviewing specs. The pic below might give you a stronger sense of the sensor measurements in the K100D S and RZ18.

All in all, the two cameras offer different megapixels and different sensor sizes. The K100D S because of its larger sensor will make shooting shallow depth of field simpler and the Pentax RZ18 will offer you greater detail as a result of its extra 10 Megapixels. Greater resolution will make it easier to crop images a little more aggressively. The more aged K100D S is going to be disadvantaged with regard to sensor technology.