Pentax K-S1 vs Pentax RZ18

Following is a extended review of the Pentax K-S1 versus Pentax RZ18, former is a Advanced DSLR while the latter is a Small Sensor Superzoom and they are both offered by Pentax. There exists a substantial gap among the resolutions of the K-S1 (20MP) and RZ18 (16MP) and the K-S1 (APS-C) and RZ18 (1/2.3") possess totally different sensor sizes.

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The K-S1 was brought out 3 years after the RZ18 which is a fairly big difference as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax K-S1 being a Mid-size SLR camera and the Pentax RZ18 being a Compact camera.

Before delving through a in depth comparison, below is a simple highlight of how the K-S1 matches up vs the RZ18 when it comes to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax K-S1 & Pentax Optio RZ18. The entire galleries are provided at Pentax K-S1 Gallery & Pentax RZ18 Gallery.

If you're intending to carry around your camera often, you are going to need to consider its weight and volume. The Pentax K-S1 offers external measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs) whilst the Pentax RZ18 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs).

Look at the Pentax K-S1 versus Pentax RZ18 in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you have chosen at the time. The following is the front view scale comparison of the K-S1 against the RZ18.

Considering dimensions and weight, the portability grade of the K-S1 and RZ18 is 69 and 92 respectively.

Quite often, its hard to visualise the difference in sensor sizes just by checking out specs. The picture underneath will provide you a more clear sense of the sensor measurements in the K-S1 and RZ18.

As you can plainly see, both of those cameras have got different megapixels and different sensor sizes. The K-S1 featuring a bigger sensor will make getting bokeh easier and the Pentax K-S1 will show extra detail having its extra 4MP. Higher resolution will also enable you to crop photographs much more aggressively. The more recent K-S1 will have an edge in sensor tech.