Olympus TG-870 vs Pentax RZ18

Below, we are reviewing the Olympus TG-870 and Pentax RZ18, one being a Ultracompact and the other is a Small Sensor Superzoom by companies Olympus and Pentax. The resolution of the TG-870 (16MP) and the RZ18 (16MP) is very well matched and they possess the exact same sensor size (1/2.3").

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The TG-870 was announced 4 years later than the RZ18 and that is quite a serious gap as far as tech is concerned. Each of these cameras come with different body type with the Olympus TG-870 being a Ultracompact camera and the Pentax RZ18 being a Compact camera.

Before delving through a detailed comparison, below is a concise view of how the TG-870 grades versus the RZ18 with respect to portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Olympus Stylus Tough TG-870 and Pentax Optio RZ18. The whole galleries are viewable at Olympus TG-870 Gallery and Pentax RZ18 Gallery.

For those who are planning to lug around your camera frequently, you'll have to factor its weight and volume. The Olympus TG-870 features outside dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") along with a weight of 221 grams (0.49 lbs) whilst the Pentax RZ18 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).

Check the Olympus TG-870 and Pentax RZ18 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached during that time. Here is the front view overall size comparison of the TG-870 compared to the RZ18.

Considering size and weight, the portability rating of the TG-870 and RZ18 is 91 and 92 respectively.

In many cases, it is hard to picture the difference between sensor measurements simply by reading through a spec sheet. The graphic underneath should give you a greater sense of the sensor dimensions in the TG-870 and RZ18.

As you can see, the 2 cameras have got the exact same sensor measurements and the exact same megapixels therefore you should expect similar quality of photographs but you will want to take the release date of the products into consideration. The more modern TG-870 provides a benefit with regard to sensor innovation.