Pentax Efina vs Pentax RZ18

In this write-up, we will be looking at the Pentax Efina versus Pentax RZ18, former is a Ultracompact while the latter is a Small Sensor Superzoom and both of them are manufactured by Pentax. The resolution of the Efina (14MP) and the RZ18 (16MP) is pretty well matched and they come with the same exact sensor sizing (1/2.3").

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The Efina was revealed 21 months after the RZ18 which makes the cameras a generation away from each other. Both the cameras offer different body type with the Pentax Efina being a Ultracompact camera and the Pentax RZ18 being a Compact camera.

Before diving through a in depth comparison, below is a simple summation of how the Efina scores vs the RZ18 for portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Pentax Efina & Pentax Optio RZ18. The full galleries are available at Pentax Efina Gallery & Pentax RZ18 Gallery.

If you are going to travel with your camera frequently, you'll have to factor in its weight and volume. The Pentax Efina offers external measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs) and the Pentax RZ18 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs).

Look at the Pentax Efina versus Pentax RZ18 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary dependant on the lens you choose at that moment. Underneath is the front view sizing comparison of the Efina versus the RZ18.

Looking at size and weight, the portability grade of the Efina and RZ18 is 97 and 92 respectively.

Oftentimes, its hard to picture the contrast between sensor dimensions just by checking a spec sheet. The image here will give you a more clear sense of the sensor measurements in the Efina and RZ18.

As you can see, both the cameras offer the same exact sensor sizing albeit different MP. You can expect the Pentax RZ18 to resolve greater detail because of its extra 2MP. Higher resolution can also let you crop photographs a little more aggressively. The more recent Efina should have an advantage when it comes to sensor innovation.