Olympus TG-3 vs Pentax RZ18

Let's look more closely at the Olympus TG-3 versus Pentax RZ18, one being a Waterproof and the other is a Small Sensor Superzoom by competitors Olympus and Pentax. The sensor resolution of the TG-3 (16MP) and the RZ18 (16MP) is fairly well matched and both cameras posses the identical sensor dimensions (1/2.3").

Photography Glossary

The TG-3 was launched 2 years later than the RZ18 and that is quite a serious gap as far as technology is concerned. Each of these cameras feature the same body design (Compact).

Before getting straight to a complete comparison, here is a short highlight of how the TG-3 scores vs the RZ18 with respect to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Olympus Tough TG-3 and Pentax Optio RZ18. The complete galleries are available at Olympus TG-3 Gallery and Pentax RZ18 Gallery.

If you are going to carry your camera often, you are going to need to factor in its weight and proportions. The Olympus TG-3 has exterior dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) and the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Analyze the Olympus TG-3 versus Pentax RZ18 in the all 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 during that time. Underneath is a front view scale comparison of the TG-3 against the RZ18.

Considering dimensions and weight, the portability grade of the TG-3 and RZ18 is 90 and 92 respectively.

Typically, it is difficult to visualise the gap between sensor sizing just by reading through specs. The visual here will help offer you a more clear sense of the sensor sizes in the TG-3 and RZ18.

As you can plainly see, each of the cameras feature the identical sensor size and the same megapixels so you should expect similar quality of files though you need to take the release date of the products into consideration. The newer TG-3 will have an edge with regard to sensor technology.