Pentax RZ18 vs Sony QX1

Below is a in depth assessment of the Pentax RZ18 and Sony QX1, former being a Small Sensor Superzoom while the latter is a Lens-style by rivals Pentax and Sony. The image resolution of the RZ18 (16MP) and the QX1 (20MP) is relatively comparable but the RZ18 (1/2.3") and QX1 (APS-C) have totally different sensor measurements.

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The RZ18 was introduced 4 years earlier than the QX1 and that is a fairly large difference as far as camera technology is concerned. Both of the cameras have different body design with the Pentax RZ18 being a Compact camera and the Sony QX1 being a Lens-style camera.

Before delving right into a detailed comparison, here is a simple introduction of how the RZ18 grades against the QX1 for portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Pentax Optio RZ18 & Sony Alpha QX1. The whole galleries are viewable at Pentax RZ18 Gallery & Sony QX1 Gallery.

If you are going to lug around your camera often, you are going to need to factor its weight and size. The Pentax RZ18 provides exterior dimensions 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 QX1 has specifications of 74mm x 70mm x 53mm (2.9" x 2.8" x 2.1") having a weight of 216 grams (0.48 lbs).

Examine the Pentax RZ18 and Sony QX1 in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you use at that moment. Here is a front view proportions comparison of the RZ18 versus the QX1.

Taking into account dimensions and weight, the portability rating of the RZ18 and QX1 is 92 and 90 respectively.

Typically, it's tough to see the contrast in sensor measurements merely by seeing specs. The graphic underneath should offer you a clearer sense of the sensor sizes in the RZ18 and QX1.

All in all, the two cameras have different resolutions and different sensor measurements. The RZ18 using its smaller sensor will make shooting shallow DOF harder and the Sony QX1 will provide extra detail using its extra 4MP. Higher resolution can also let you crop photographs a bit more aggressively. The older RZ18 will be disadvantaged in sensor innovation.