Pentax Efina vs Pentax K-S1

Its time to look more closely at the Pentax Efina versus Pentax K-S1, former is a Ultracompact while the other is a Advanced DSLR and they are both built by Pentax. There is a considerable difference between the resolutions of the Efina (14MP) and K-S1 (20MP) and the Efina (1/2.3") and K-S1 (APS-C) provide totally different sensor size.

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The Efina was announced 15 months before the K-S1 making them a generation away from each other. Each of the cameras feature different body design with the Pentax Efina being a Ultracompact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting into a more detailed comparison, here is a brief view of how the Efina matches up versus the K-S1 in regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax Efina & Pentax K-S1. The whole galleries are viewable at Pentax Efina Gallery & Pentax K-S1 Gallery.

When you are aiming to carry around your camera often, you will have to consider its weight and size. The Pentax Efina offers physical dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") accompanied by a weight of 91 grams (0.20 lbs) whilst the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Take a look at the Pentax Efina versus Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you use during that time. The following is a front view overall size comparison of the Efina compared to the K-S1.

Taking into consideration size and weight, the portability grade of the Efina and K-S1 is 97 and 69 respectively.

Generally, it is very difficult to visualise the gap between sensor sizes purely by reading specifications. The image underneath should offer you a clearer sense of the sensor sizes in the Efina and K-S1.

Plainly, both cameras feature different megapixels and different sensor sizes. The Efina having a tinier sensor will make achieving shallower depth of field more challenging and the Pentax K-S1 will deliver extra detail with its extra 6 Megapixels. Greater resolution will let you crop images way more aggressively. The more aged Efina is going to be behind in sensor innovation.