Panasonic ZS25 vs Pentax K-S1

Below, we are analyzing the Panasonic ZS25 and Pentax K-S1, former being a Small Sensor Superzoom while the other is a Advanced DSLR by companies Panasonic and Pentax. The resolution of the ZS25 (16MP) and the K-S1 (20MP) is fairly comparable but the ZS25 (1/2.3") and K-S1 (APS-C) use totally different sensor sizing.

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The ZS25 was manufactured 19 months before the K-S1 making the cameras a generation apart from one another. Both of the cameras come with different body type with the Panasonic ZS25 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go straight into a comprehensive comparison, below is a brief summary of how the ZS25 grades against the K-S1 in the way of portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-ZS25 & Pentax K-S1. The entire galleries are available at Panasonic ZS25 Gallery & Pentax K-S1 Gallery.

In case you're going to lug around your camera frequently, you should consider its weight and measurements. The Panasonic ZS25 provides outside dimensions of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") along with a weight of 193 grams (0.43 lbs) whilst the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") with a weight of 558 grams (1.23 lbs).

See the Panasonic ZS25 and Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change depending on the lens you have at that moment. Here is the front view overall size comparison of the ZS25 vs the K-S1.

Taking into account dimensions and weight, the portability rating of the ZS25 and K-S1 is 93 and 69 respectively.

Typically, it can be tough to see the contrast in sensor measurements only by seeing specifications. The photograph below will help provide you a better sense of the sensor dimensions in the ZS25 and K-S1.

To sum up, the two cameras posses different megapixel count and different sensor measurements. The ZS25 featuring a smaller sensor will make shooting bokeh more challenging and the Pentax K-S1 will provide extra detail due to its extra 4MP. Greater resolution will also help you crop pics somewhat more aggressively. The older ZS25 will be behind in sensor technology.