Pentax Efina vs Pentax K100D S

In this article, we are matching up the Pentax Efina versus Pentax K100D S, former is a Ultracompact while the other is a Entry-Level DSLR and they are both produced by Pentax. There is a substantial difference among the sensor resolutions of the Efina (14MP) and K100D S (6MP) and the Efina (1/2.3") and K100D S (APS-C) come with totally different sensor sizes.

Photography Glossary

The Efina was launched 6 years after the K100D S which is a fairly big difference as far as camera tech is concerned. Both of the cameras offer different body type with the Pentax Efina being a Ultracompact camera and the Pentax K100D S being a Compact SLR camera.

Before diving through a in depth comparison, below is a short summation of how the Efina grades vs the K100D S in the way of portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Pentax Efina & Pentax K100D Super. The complete galleries are viewable at Pentax Efina Gallery & Pentax K100D S Gallery.

For those who are aiming to carry around your camera, you have to take into account its weight and size. The Pentax Efina has outside dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") and a weight of 91 grams (0.20 lbs) while the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).

Look at the Pentax Efina versus Pentax K100D S in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you are using at that moment. The following is the front view over all size comparison of the Efina compared to the K100D S.

Factoring in size and weight, the portability score of the Efina and K100D S is 97 and 65 respectively.

Usually, it's difficult to see the difference in sensor sizes purely by checking out specs. The image below will offer you a clearer sense of the sensor dimensions in the Efina and K100D S.

As you can plainly see, both of the cameras offer different megapixel count and different sensor sizes. The Efina because of its smaller sensor will make achieving bokeh more challenging and the Pentax Efina will show greater detail utilizing its extra 8 Megapixels. Greater resolution will help you crop photos a little more aggressively. The younger Efina is going to have an advantage with regard to sensor tech.