Olympus TG-3 vs Pentax K100D S

On this page, we are contrasting the Olympus TG-3 and Pentax K100D S, one being a Waterproof and the other is a Entry-Level DSLR by companies Olympus and Pentax. There exists a significant gap between the resolutions of the TG-3 (16MP) and K100D S (6MP) and the TG-3 (1/2.3") and K100D S (APS-C) boast different sensor size.

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The TG-3 was unveiled 6 years later than the K100D S and that is quite a sizable gap as far as technology is concerned. Both cameras have different body design with the Olympus TG-3 being a Compact camera and the Pentax K100D S being a Compact SLR camera.

Before delving into a comprehensive comparison, here is a quick overview of how the TG-3 scores vs the K100D S in terms of portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Olympus Tough TG-3 and Pentax K100D Super. The full galleries are available at Olympus TG-3 Gallery and Pentax K100D S Gallery.

For anyone who is aiming to carry your camera regularly, you're going to have to think about its weight and dimensions. The Olympus TG-3 comes with physical dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) whilst the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs).

Compare the Olympus TG-3 and Pentax K100D S in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. The following is a front view overall size comparison of the TG-3 and the K100D S.

Factoring in dimensions and weight, the portability score of the TG-3 and K100D S is 90 and 65 respectively.

Sometimes, its hard to picture the contrast between sensor sizing only by going over technical specs. The photograph here will help provide you a far better sense of the sensor sizes in the TG-3 and K100D S.

As you have seen, the 2 cameras provide different megapixels and different sensor sizing. The TG-3 using its tinier sensor is going to make achieving shallower depth of field harder and the Olympus TG-3 will deliver greater detail having an extra 10MP. Greater resolution can also allow you to crop pics more aggressively. The newer TG-3 should have an advantage in sensor innovation.