Olympus TG-3 vs Pentax K-3

The following is a in-depth assessment of the Olympus TG-3 versus Pentax K-3, former is a Waterproof while the other is a Advanced DSLR by companies Olympus and Pentax. There is a large difference among the sensor resolutions of the TG-3 (16MP) and K-3 (24MP) and the TG-3 (1/2.3") and K-3 (APS-C) offer totally different sensor measurements.

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The TG-3 was unveiled about the same time to the K-3 which means that they are of a similar age. Each of the cameras have different body design with the Olympus TG-3 being a Compact camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving right into a detailed comparison, here is a brief overview of how the TG-3 scores against the K-3 with regard to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus Tough TG-3 & Pentax K-3. The full galleries are viewable at Olympus TG-3 Gallery & Pentax K-3 Gallery.

If you are aiming to travel with your camera regularly, you'll have to think about its weight and dimensions. The Olympus TG-3 provides outer dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) whilst the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs).

Take a look at the Olympus TG-3 versus Pentax K-3 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you are working with at the time. Underneath is a front view measurement comparison of the TG-3 compared to the K-3.

Taking into account size and weight, the portability score of the TG-3 and K-3 is 90 and 59 respectively.

Oftentimes, its difficult to visualise the difference in sensor dimensions purely by seeing specs. The pic here may provide you a far better sense of the sensor sizes in the TG-3 and K-3.

As you can plainly see, both of the cameras provide different megapixel count and different sensor dimensions. The TG-3 having a smaller sensor will make shooting shallower DOF harder and the Pentax K-3 will provide greater detail having an extra 8MP. Greater resolution will also help you crop photos more aggressively.