Pentax K100D S vs Pentax W90

The following is a in-depth comparison of the Pentax K100D S vs Pentax W90, one is a Entry-Level DSLR and the latter is a Waterproof and both of them are created by Pentax. There exists a crucial gap among the sensor resolutions of the K100D S (6MP) and W90 (12MP) and the K100D S (APS-C) and W90 (1/2.3") have totally different sensor measurements.

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The K100D S was announced 3 years earlier than the W90 which is a fairly serious gap as far as camera technology is concerned. Both of these cameras have different body design with the Pentax K100D S being a Compact SLR camera and the Pentax W90 being a Compact camera.

Before we go straight to a step-by-step comparison, here is a concise overview of how the K100D S matches up vs the W90 with regard to portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Pentax K100D Super and Pentax Optio W90. The whole galleries are available at Pentax K100D S Gallery and Pentax W90 Gallery.

If you are planning to travel with your camera often, you have to think about its weight and proportions. The Pentax K100D S provides exterior measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs) and the Pentax W90 has measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") accompanied by a weight of 164 grams (0.36 lbs).

Contrast the Pentax K100D S vs Pentax W90 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at the time. Below is a front view overall size comparison of the K100D S and the W90.

Using dimensions and weight, the portability grade of the K100D S and W90 is 65 and 94 respectively.

Typically, it is difficult to see the contrast in sensor dimensions simply by viewing technical specs. The image here will give you a better sense of the sensor measurements in the K100D S and W90.

As you can tell, both of those cameras provide different resolutions and different sensor dimensions. The K100D S with its bigger sensor will make getting shallow depth of field simpler and the Pentax W90 will result in extra detail with its extra 6 Megapixels. Higher resolution will enable you to crop photographs more aggressively. The more aged K100D S will be behind with regard to sensor technology.