Pentax K-3 II vs Pentax RZ18

In this article, we will be reviewing the Pentax K-3 II versus Pentax RZ18, one being a Advanced DSLR and the latter is a Small Sensor Superzoom and they are both produced by Pentax. There exists a huge gap among the image resolutions of the K-3 II (24MP) and RZ18 (16MP) and the K-3 II (APS-C) and RZ18 (1/2.3") use different sensor sizing.

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The K-3 II was manufactured 3 years later than the RZ18 and that is a fairly significant gap as far as camera technology is concerned. Each of the cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Pentax RZ18 being a Compact camera.

Before diving straight into a in-depth comparison, below is a short highlight of how the K-3 II scores versus the RZ18 for portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Pentax K-3 II and Pentax Optio RZ18. The entire galleries are available at Pentax K-3 II Gallery and Pentax RZ18 Gallery.

If you are intending to carry your camera regularly, you need to consider its weight and volume. The Pentax K-3 II enjoys external measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs) while the Pentax RZ18 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs).

Examine the Pentax K-3 II versus Pentax RZ18 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at the time. Underneath is the front view measurements comparison of the K-3 II vs the RZ18.

Taking into consideration dimensions and weight, the portability score of the K-3 II and RZ18 is 59 and 92 respectively.

Normally, its difficult to picture the difference in sensor sizing purely by looking through specs. The graphic here should offer you a greater sense of the sensor measurements in the K-3 II and RZ18.

As you can plainly see, both of those cameras offer different megapixel count and different sensor sizing. The K-3 II featuring a bigger sensor is going to make shooting shallow depth of field simpler and the Pentax K-3 II will render more detail due to its extra 8MP. Higher resolution will also help you crop photographs a little more aggressively. The more recent K-3 II provides an edge with regard to sensor tech.