Panasonic G100 vs Pentax K-S2

Following is a in depth review of the Panasonic G100 and Pentax K-S2, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by manufacturers Panasonic and Pentax. The sensor resolution of the G100 (20MP) and the K-S2 (20MP) is pretty similar but the G100 (Four Thirds) and K-S2 (APS-C) possess totally different sensor size.

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The G100 was launched 5 years after the K-S2 which is quite a sizable gap as far as tech is concerned. Each of the cameras offer different body type with the Panasonic G100 being a SLR-style mirrorless camera and the Pentax K-S2 being a Compact SLR camera.

Before getting through a comprehensive comparison, below is a concise highlight of how the G100 grades vs the K-S2 with regards to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Panasonic Lumix DC-G100 and Pentax K-S2. The complete galleries are viewable at Panasonic G100 Gallery and Pentax K-S2 Gallery.

For those who are looking to carry around your camera, you need to factor its weight and dimensions. The Panasonic G100 comes with physical measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") having a weight of 352 grams (0.78 lbs) while the Pentax K-S2 has dimensions of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") having a weight of 678 grams (1.49 lbs).

Contrast the Panasonic G100 and Pentax K-S2 in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that time. The following is the front view over all size comparison of the G100 against the K-S2.

Taking into account size and weight, the portability grade of the G100 and K-S2 is 81 and 64 respectively.

Generally, it is very hard to envision the gap between sensor sizes only by going over technical specs. The picture below might give you a better sense of the sensor measurements in the G100 and K-S2.

As you can tell, both of these cameras enjoy the same exact resolution albeit not the same sensor sizes. The G100 includes the tinier sensor which should make obtaining shallow depth of field harder. The more recent G100 will have an advantage in sensor tech.