Olympus TG-320 vs Pentax K-S2

Let's take a closer look at the Olympus TG-320 and Pentax K-S2, former being a Waterproof while the latter is a Entry-Level DSLR by manufacturers Olympus and Pentax. There is a noticeable difference between the sensor resolutions of the TG-320 (14MP) and K-S2 (20MP) and the TG-320 (1/2.3") and K-S2 (APS-C) offer different sensor sizing.

Photography Glossary

The TG-320 was announced 4 years prior to the K-S2 and that is quite a sizable difference as far as tech is concerned. Each of the cameras feature different body design with the Olympus TG-320 being a Compact camera and the Pentax K-S2 being a Compact SLR camera.

Before going right into a full comparison, here is a simple introduction of how the TG-320 grades vs the K-S2 in terms of portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus TG-320 & Pentax K-S2. The whole galleries are viewable at Olympus TG-320 Gallery & Pentax K-S2 Gallery.

If you're looking to carry your camera often, you'll need to think about its weight and volume. The Olympus TG-320 has outside dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") having a weight of 155 grams (0.34 lbs) and the Pentax K-S2 has sizing of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs).

Take a look at the Olympus TG-320 and Pentax K-S2 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you have during that time. Here is a front view measurement comparison of the TG-320 and the K-S2.

Looking at size and weight, the portability grade of the TG-320 and K-S2 is 94 and 64 respectively.

Usually, it's difficult to imagine the difference between sensor sizing only by going over a spec sheet. The visual here may provide you a much better sense of the sensor dimensions in the TG-320 and K-S2.

As you can see, each of these cameras feature different resolutions and different sensor sizing. The TG-320 using its tinier sensor is going to make shooting shallow DOF more challenging and the Pentax K-S2 will offer you greater detail with its extra 6 Megapixels. Higher resolution will also let you crop shots way more aggressively. The older TG-320 is going to be behind in sensor technology.