Pentax RZ18 vs Ricoh WG-4

Following is a complete comparison of the Pentax RZ18 vs Ricoh WG-4, former is a Small Sensor Superzoom while the other is a Waterproof by manufacturers Pentax and Ricoh. The sensor resolution of the RZ18 (16MP) and the WG-4 (16MP) is fairly well matched and both cameras posses the same sensor sizes (1/2.3").

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The RZ18 was launched 3 years prior to the WG-4 which is quite a large difference as far as technology is concerned. Both of these cameras have the same body design (Compact).

Before we go right into a detailed comparison, here is a concise synopsis of how the RZ18 grades against the WG-4 with regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Pentax Optio RZ18 & Ricoh WG-4. The complete galleries are provided at Pentax RZ18 Gallery & Ricoh WG-4 Gallery.

For anybody who is intending to carry around your camera often, you're going to have to think about its weight and volume. The Pentax RZ18 features outside dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs) while the Ricoh WG-4 has sizing of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 230 grams (0.51 lbs).

Check out the Pentax RZ18 vs Ricoh WG-4 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have chosen during that time. Following is a front view size comparison of the RZ18 versus the WG-4.

Looking at dimensions and weight, the portability grade of the RZ18 and WG-4 is 92 and 90 respectively.

Typically, it is hard to picture the difference between sensor sizes just by reading through technical specs. The image underneath should provide you a much better sense of the sensor dimensions in the RZ18 and WG-4.

As you have seen, both the cameras have the same sensor dimensions and the identical MP and you can expect similar quality of photographs though you may want to consider the age of the products into consideration. The more aged RZ18 is going to be disadvantaged with regard to sensor innovation.