Olympus TG-5 vs Pentax K-70

Below is a detailed analysis of the Olympus TG-5 and Pentax K-70, one being a Waterproof and the other is a Entry-Level DSLR by rivals Olympus and Pentax. There is a crucial difference between the sensor resolutions of the TG-5 (12MP) and K-70 (24MP) and the TG-5 (1/2.3") and K-70 (APS-C) offer different sensor measurements.

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The TG-5 was introduced 12 months later than the K-70 which means that they are both of a similar generation. Each of the cameras feature different body design with the Olympus TG-5 being a Compact camera and the Pentax K-70 being a Compact SLR camera.

Before we go straight to a detailed comparison, here is a brief view of how the TG-5 scores versus the K-70 in regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Olympus Tough TG-5 and Pentax K-70. The whole galleries are viewable at Olympus TG-5 Gallery and Pentax K-70 Gallery.

If you are going to lug around your camera, you will have to consider its weight and volume. The Olympus TG-5 has external measurements of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") having a weight of 250 grams (0.55 lbs) and the Pentax K-70 has sizing of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Contrast the Olympus TG-5 and Pentax K-70 in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select during that time. Below is a front view proportions comparison of the TG-5 vs the K-70.

Considering size and weight, the portability grade of the TG-5 and K-70 is 90 and 62 respectively.

Oftentimes, it is very tough to visualize the gap between sensor measurements simply by reading through technical specs. The graphic underneath will help provide you a more clear sense of the sensor measurements in the TG-5 and K-70.

As you can tell, the two cameras feature different megapixel count and different sensor measurements. The TG-5 using its tinier sensor is going to make achieving shallow depth of field trickier and the Pentax K-70 will give you more detail using its extra 12 Megapixels. Greater resolution will also allow you to crop photos way more aggressively. The younger TG-5 provides an advantage with regard to sensor technology.