Olympus TG-850 iHS vs Pentax K-S1

Let's look a bit more closely at the Olympus TG-850 iHS vs Pentax K-S1, former is a Waterproof while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The sensor resolution of the TG-850 iHS (16MP) and the K-S1 (20MP) is relatively similar but the TG-850 iHS (1/2.3") and K-S1 (APS-C) enjoy totally different sensor size.

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The TG-850 iHS was manufactured 7 months before the K-S1 which means that they are of a similar age. The two cameras come with different body type with the Olympus TG-850 iHS being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting straight into a in-depth comparison, below is a concise synopsis of how the TG-850 iHS grades against the K-S1 with regard to portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Olympus Stylus Tough TG-850 iHS & Pentax K-S1. The entire galleries are available at Olympus TG-850 iHS Gallery & Pentax K-S1 Gallery.

If you are looking to travel with your camera frequently, you're going to have to consider its weight and proportions. The Olympus TG-850 iHS enjoys exterior dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") with a weight of 218 grams (0.48 lbs) while the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

Analyze the Olympus TG-850 iHS vs Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you select at the time. Following is the front view overall size comparison of the TG-850 iHS and the K-S1.

Taking into consideration dimensions and weight, the portability rating of the TG-850 iHS and K-S1 is 91 and 69 respectively.

Sometimes, it is difficult to visualise the difference between sensor dimensions simply by reviewing technical specs. The picture below will give you a clearer sense of the sensor dimensions in the TG-850 iHS and K-S1.

As you have seen, both cameras posses different megapixel count and different sensor dimensions. The TG-850 iHS because of its tinier sensor will make getting shallow depth of field harder and the Pentax K-S1 will offer extra detail due to its extra 4 Megapixels. Higher resolution will make it easier to crop shots somewhat more aggressively. The more aged TG-850 iHS is going to be disadvantaged with regard to sensor technology.