Olympus TG-310 vs Pentax K-S2

In this article, we are reviewing the Olympus TG-310 and Pentax K-S2, one being a Waterproof and the other is a Entry-Level DSLR by brands Olympus and Pentax. There is a crucial difference among the resolutions of the TG-310 (14MP) and K-S2 (20MP) and the TG-310 (1/2.3") and K-S2 (APS-C) come with different sensor sizes.

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The TG-310 was launched 5 years prior to the K-S2 and that is a fairly serious gap as far as camera tech is concerned. Each of the cameras offer different body type with the Olympus TG-310 being a Compact camera and the Pentax K-S2 being a Compact SLR camera.

Before going in to a detailed comparison, below is a quick overview of how the TG-310 grades versus the K-S2 with respect to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus TG-310 and Pentax K-S2. The complete galleries are available at Olympus TG-310 Gallery and Pentax K-S2 Gallery.

In case you're planning to lug around your camera frequently, you will have to think about its weight and size. The Olympus TG-310 features exterior dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) and the Pentax K-S2 has specifications of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs).

Check the Olympus TG-310 and Pentax K-S2 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that time. Following is the front view dimension comparison of the TG-310 against the K-S2.

Taking into account size and weight, the portability rating of the TG-310 and K-S2 is 94 and 64 respectively.

Generally, it's hard to visualize the difference in sensor measurements just by going through specifications. The photograph here should provide you a clearer sense of the sensor dimensions in the TG-310 and K-S2.

To sum up, each of the cameras enjoy different megapixels and different sensor measurements. The TG-310 because of its smaller sensor is going to make getting bokeh trickier and the Pentax K-S2 will show greater detail utilizing its extra 6 Megapixels. Greater resolution will make it easier to crop photos far more aggressively. The older TG-310 will be disadvantaged in sensor innovation.