Olympus SP-820UZ vs Pentax RZ18

Below, we are evaluating the Olympus SP-820UZ vs Pentax RZ18, both Small Sensor Superzoom digital cameras by brands Olympus and Pentax. The image resolution of the SP-820UZ (14MP) and the RZ18 (16MP) is very similar and they feature the exact same sensor size (1/2.3").

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The SP-820UZ was introduced 12 months after the RZ18 which means that they are of a similar generation. Both of the cameras come with the identical body type (Compact).

Before diving through a complete comparison, below is a brief highlight of how the SP-820UZ scores against the RZ18 in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus Stylus SP-820UZ and Pentax Optio RZ18. The whole galleries are viewable at Olympus SP-820UZ Gallery and Pentax RZ18 Gallery.

For anybody who is going to travel with your camera, you're going to have to factor its weight and volume. The Olympus SP-820UZ features external dimensions of 117mm x 78mm x 93mm (4.6" x 3.1" x 3.7") accompanied by a weight of 485 grams (1.07 lbs) while the Pentax RZ18 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs).

Take a look at the Olympus SP-820UZ vs Pentax RZ18 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you choose during that time. Below is the front view size comparison of the SP-820UZ compared to the RZ18.

Factoring in size and weight, the portability score of the SP-820UZ and RZ18 is 69 and 92 respectively.

Generally, its tough to picture the contrast between sensor dimensions simply by going over technical specs. The picture underneath will provide you a more clear sense of the sensor dimensions in the SP-820UZ and RZ18.

As you can tell, the two cameras have got the exact same sensor measurements but different resolution. You should expect to see the Pentax RZ18 to offer greater detail using its extra 2 Megapixels. Greater resolution can also let you crop images much more aggressively. The younger SP-820UZ should have a benefit with regard to sensor technology.