Olympus TG-3 vs Pentax K-S1

Following is a extensive review of the Olympus TG-3 vs Pentax K-S1, one is a Waterproof and the latter is a Advanced DSLR by competitors Olympus and Pentax. The image resolution of the TG-3 (16MP) and the K-S1 (20MP) is pretty close but the TG-3 (1/2.3") and K-S1 (APS-C) enjoy different sensor dimensions.

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The TG-3 was unveiled 4 months earlier than the K-S1 and they are of a similar generation. The two cameras come with different body type with the Olympus TG-3 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before delving straight into a full comparison, below is a simple overview of how the TG-3 grades against the K-S1 in the way of portability, imaging, features and an overall score.

This is a preview of the gallery images for Olympus Tough TG-3 and Pentax K-S1. The full galleries are viewable at Olympus TG-3 Gallery and Pentax K-S1 Gallery.

If you are aiming to carry around your camera often, you are going to need to think about its weight and measurements. The Olympus TG-3 offers physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") accompanied by a weight of 247 grams (0.54 lbs) and the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Check out the Olympus TG-3 vs Pentax K-S1 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at the time. Here is the front view physical size comparison of the TG-3 and the K-S1.

Factoring in dimensions and weight, the portability grade of the TG-3 and K-S1 is 90 and 69 respectively.

Typically, it's tough to picture the difference in sensor sizes just by researching specs. The image here may provide you a much better sense of the sensor measurements in the TG-3 and K-S1.

All in all, both of the cameras have got different megapixels and different sensor sizes. The TG-3 with its smaller sensor is going to make getting shallow DOF tougher and the Pentax K-S1 will render more detail having an extra 4 Megapixels. Higher resolution can also enable you to crop photographs much more aggressively.