Olympus TG-3 vs Pentax K-70

On this page, we are contrasting the Olympus TG-3 and Pentax K-70, former is a Waterproof while the other is a Entry-Level DSLR by rivals Olympus and Pentax. There is a considerable difference between the resolutions of the TG-3 (16MP) and K-70 (24MP) and the TG-3 (1/2.3") and K-70 (APS-C) have totally different sensor dimensions.

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The TG-3 was launched 3 years before the K-70 which is quite a large difference as far as tech is concerned. Both cameras have different body design with the Olympus TG-3 being a Compact camera and the Pentax K-70 being a Compact SLR camera.

Before diving straight to a comprehensive comparison, here is a brief summation of how the TG-3 scores against the K-70 in relation to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus Tough TG-3 & Pentax K-70. The complete galleries are available at Olympus TG-3 Gallery & Pentax K-70 Gallery.

For anybody who is planning to carry around your camera often, you're going to have to consider its weight and size. The Olympus TG-3 has got outside measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) and the Pentax K-70 has specifications of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Analyze the Olympus TG-3 and Pentax K-70 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change depending on the lens you have chosen during that time. Below is a front view physical size comparison of the TG-3 vs the K-70.

Using size and weight, the portability rating of the TG-3 and K-70 is 90 and 62 respectively.

Usually, it is hard to visualise the gap between sensor sizes just by reading specs. The pic underneath will help provide you a far better sense of the sensor measurements in the TG-3 and K-70.

All in all, both the cameras have different megapixel count and different sensor sizes. The TG-3 due to its tinier sensor will make achieving shallow DOF trickier and the Pentax K-70 will deliver extra detail utilizing its extra 8 Megapixels. Greater resolution will also help you crop pics a bit more aggressively. The more aged TG-3 is going to be disadvantaged in sensor innovation.