Olympus TG-860 vs Pentax K-S1

Here, we are analyzing the Olympus TG-860 versus Pentax K-S1, former is a Waterproof while the other is a Advanced DSLR by companies Olympus and Pentax. The image resolution of the TG-860 (16MP) and the K-S1 (20MP) is very well matched but the TG-860 (1/2.3") and K-S1 (APS-C) offer different sensor dimensions.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The TG-860 was brought out 6 months after the K-S1 which means that they are of a similar age. Both of the cameras feature different body design with the Olympus TG-860 being a Ultracompact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before diving right into a step-by-step comparison, here is a quick overview of how the TG-860 grades vs the K-S1 in terms of portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Olympus Stylus Tough TG-860 & Pentax K-S1. The entire galleries are viewable at Olympus TG-860 Gallery & Pentax K-S1 Gallery.

For anyone who is aiming to carry around your camera frequently, you will have to think about its weight and size. The Olympus TG-860 enjoys outer dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") with a weight of 224 grams (0.49 lbs) while the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

Compare the Olympus TG-860 versus Pentax K-S1 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change depending on the lens you are employing during that time. Underneath is a front view dimension comparison of the TG-860 compared to the K-S1.

Taking into consideration dimensions and weight, the portability score of the TG-860 and K-S1 is 91 and 69 respectively.

Typically, it's difficult to visualize the contrast between sensor sizes purely by looking at a spec sheet. The picture here should offer you a far better sense of the sensor sizes in the TG-860 and K-S1.

As you can see, each of these cameras feature different megapixels and different sensor sizes. The TG-860 because of its tinier sensor is going to make shooting shallow DOF more challenging and the Pentax K-S1 will give you greater detail having its extra 4 Megapixels. Greater resolution will also allow you to crop images way more aggressively.