Olympus TG-3 vs Pentax Q7

Here, we are evaluating the Olympus TG-3 vs Pentax Q7, former is a Waterproof while the other is a Entry-Level Mirrorless by rivals Olympus and Pentax. There is a substantial difference between the sensor resolutions of the TG-3 (16MP) and Q7 (12MP) and the TG-3 (1/2.3") and Q7 (1/1.7") offer different sensor sizing.

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The TG-3 was brought out 8 months after the Q7 so they are of a similar age. Both of these cameras feature different body design with the Olympus TG-3 being a Compact camera and the Pentax Q7 being a Rangefinder-style mirrorless camera.

Before diving straight to a full comparison, here is a brief summary of how the TG-3 matches up versus the Q7 with regard to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus Tough TG-3 & Pentax Q7. The entire galleries are available at Olympus TG-3 Gallery & Pentax Q7 Gallery.

For those who are aiming to carry around your camera regularly, you need to consider its weight and proportions. The Olympus TG-3 features external measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") with a weight of 247 grams (0.54 lbs) and the Pentax Q7 has measurements of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") having a weight of 200 grams (0.44 lbs).

See the Olympus TG-3 vs Pentax Q7 in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are employing at that moment. The following is a front view measurement comparison of the TG-3 and the Q7.

Looking at size and weight, the portability score of the TG-3 and Q7 is 90 and 92 respectively.

Oftentimes, it is very hard to picture the gap between sensor sizes simply by reading technical specs. The image below will help give you a clearer sense of the sensor measurements in the TG-3 and Q7.

As you can tell, the two cameras feature different megapixel count and different sensor sizes. The TG-3 featuring a tinier sensor is going to make achieving bokeh harder and the Olympus TG-3 will deliver more detail having its extra 4MP. Greater resolution will help you crop photos way more aggressively. The newer TG-3 provides an advantage with regard to sensor technology.