Pentax RZ18 vs Sony RX1R

In this article, we will be contrasting the Pentax RZ18 versus Sony RX1R, former being a Small Sensor Superzoom while the latter is a Large Sensor Compact by manufacturers Pentax and Sony. There exists a considerable gap among the resolutions of the RZ18 (16MP) and RX1R (24MP) and the RZ18 (1/2.3") and RX1R (Full frame) use totally different sensor measurements.

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The RZ18 was brought out 21 months prior to the RX1R which makes the cameras a generation apart from one another. Each of these cameras offer different body type with the Pentax RZ18 being a Compact camera and the Sony RX1R being a Large Sensor Compact camera.

Before going through a more detailed comparison, below is a short view of how the RZ18 grades vs the RX1R when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax Optio RZ18 & Sony Cyber-shot DSC-RX1R. The entire galleries are provided at Pentax RZ18 Gallery & Sony RX1R Gallery.

For those who are planning to carry your camera regularly, you will want to consider its weight and size. The Pentax RZ18 has external measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs) while the Sony RX1R has specifications of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") and a weight of 482 grams (1.06 lbs).

Look at the Pentax RZ18 versus Sony RX1R in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you choose at the time. Following is the front view measurements comparison of the RZ18 versus the RX1R.

Taking into account dimensions and weight, the portability grade of the RZ18 and RX1R is 92 and 79 respectively.

Sometimes, it is very tough to visualise the difference in sensor sizing purely by checking out specs. The graphic underneath should provide you a greater sense of the sensor measurements in the RZ18 and RX1R.

As you can plainly see, each of the cameras enjoy different resolutions and different sensor sizing. The RZ18 due to its smaller sensor will make shooting shallower depth of field more challenging and the Sony RX1R will provide extra detail having its extra 8MP. Higher resolution will help you crop pictures far more aggressively. The older RZ18 will be disadvantaged with regard to sensor tech.