Panasonic S5 vs Pentax K100D

Below, we are comparing the Panasonic S5 vs Pentax K100D, one being a Pro Mirrorless and the other is a Entry-Level DSLR by rivals Panasonic and Pentax. There is a huge difference among the image resolutions of the S5 (24MP) and K100D (6MP) and the S5 (Full frame) and K100D (APS-C) come with totally different sensor sizing.

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The S5 was announced 13 years later than the K100D and that is a fairly significant gap as far as camera tech is concerned. The two cameras come with different body type with the Panasonic S5 being a SLR-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before we go in to a comprehensive comparison, below is a simple summary of how the S5 grades vs the K100D with regard to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Panasonic Lumix DC-S5 and Pentax K100D. The whole galleries are viewable at Panasonic S5 Gallery and Pentax K100D Gallery.

For those who are looking to carry your camera regularly, you'll have to factor its weight and measurements. The Panasonic S5 offers physical measurements of 133mm x 97mm x 82mm (5.2" x 3.8" x 3.2") along with a weight of 714 grams (1.57 lbs) and the Pentax K100D has proportions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).

Look at the Panasonic S5 vs Pentax K100D in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing at that moment. Following is the front view overall size comparison of the S5 and the K100D.

Looking at size and weight, the portability grade of the S5 and K100D is 60 and 64 respectively.

In many cases, its hard to envision the contrast in sensor sizing purely by seeing technical specs. The visual here might provide you a clearer sense of the sensor sizing in the S5 and K100D.

As you can tell, both the cameras posses different megapixel count and different sensor sizing. The S5 having a larger sensor will make getting shallower depth of field simpler and the Panasonic S5 will produce extra detail with its extra 18MP. Greater resolution can also allow you to crop images somewhat more aggressively. The more modern S5 will have an edge in sensor innovation.