Olympus TG-870 vs Pentax K100D S

Let's look more in depth at the Olympus TG-870 versus Pentax K100D S, former being a Ultracompact while the other is a Entry-Level DSLR by manufacturers Olympus and Pentax. There exists a substantial gap among the sensor resolutions of the TG-870 (16MP) and K100D S (6MP) and the TG-870 (1/2.3") and K100D S (APS-C) have totally different sensor dimensions.

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The TG-870 was brought out 8 years later than the K100D S and that is a fairly big difference as far as camera technology is concerned. Both of these cameras feature different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax K100D S being a Compact SLR camera.

Before diving right into a comprehensive comparison, here is a short overview of how the TG-870 scores against the K100D S with respect to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus Stylus Tough TG-870 & Pentax K100D Super. The entire galleries are viewable at Olympus TG-870 Gallery & Pentax K100D S Gallery.

If you're aiming to lug around your camera frequently, you're going to have to take into account its weight and size. The Olympus TG-870 provides physical measurements of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") and a weight of 221 grams (0.49 lbs) and the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs).

Check the Olympus TG-870 versus Pentax K100D S in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you are utilizing at that time. Underneath is a front view proportions comparison of the TG-870 versus the K100D S.

Factoring in dimensions and weight, the portability rating of the TG-870 and K100D S is 91 and 65 respectively.

More often than not, it can be tough to envision the difference in sensor measurements only by looking through technical specs. The graphic underneath might offer you a much better sense of the sensor measurements in the TG-870 and K100D S.

As you have seen, the two cameras feature different resolutions and different sensor measurements. The TG-870 due to its smaller sensor will make achieving shallow DOF tougher and the Olympus TG-870 will render more detail having its extra 10MP. Greater resolution will also allow you to crop pics way more aggressively. The more recent TG-870 is going to have an edge in sensor technology.