Casio EX-ZR400 vs Pentax RZ18

Here, we are reviewing the Casio EX-ZR400 vs Pentax RZ18, both Small Sensor Superzoom digital cameras by rivals Casio and Pentax. The resolution of the EX-ZR400 (16MP) and the RZ18 (16MP) is very similar and both cameras boast the identical sensor sizes (1/2.3").

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The EX-ZR400 was announced 17 months after the RZ18 making them a generation away from each other. Both of these cameras feature the same body design (Compact).

Before getting into a detailed comparison, here is a concise introduction of how the EX-ZR400 matches up vs the RZ18 in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Casio Exilim EX-ZR400 & Pentax Optio RZ18. The whole galleries are viewable at Casio EX-ZR400 Gallery & Pentax RZ18 Gallery.

When you are intending to carry around your camera, you're going to have to consider its weight and measurements. The Casio EX-ZR400 provides outside measurements of 105mm x 59mm x 29mm (4.1" x 2.3" x 1.1") with a weight of 205 grams (0.45 lbs) while the Pentax RZ18 has proportions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs).

Take a look at the Casio EX-ZR400 vs Pentax RZ18 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you use during that time. Below is a front view measurement comparison of the EX-ZR400 versus the RZ18.

Considering size and weight, the portability rating of the EX-ZR400 and RZ18 is 92 and 92 respectively.

Oftentimes, it can be difficult to visualise the difference between sensor sizes only by going over a spec sheet. The picture below should provide you a clearer sense of the sensor measurements in the EX-ZR400 and RZ18.

As you can see, each of the cameras come with the identical sensor size and the exact same MP so you can expect similar quality of photographs but you will need to factor the age of the products into consideration. The more recent EX-ZR400 will have an edge with regard to sensor technology.