Olympus TG-820 iHS vs Pentax K-70

On this page, we are analyzing the Olympus TG-820 iHS versus Pentax K-70, one being a Waterproof and the other is a Entry-Level DSLR by brands Olympus and Pentax. There exists a sizeable gap between the image resolutions of the TG-820 iHS (12MP) and K-70 (24MP) and the TG-820 iHS (1/2.3") and K-70 (APS-C) have totally different sensor measurements.

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The TG-820 iHS was revealed 5 years prior to the K-70 and that is quite a large gap as far as technology is concerned. Both of the cameras have different body design with the Olympus TG-820 iHS being a Compact camera and the Pentax K-70 being a Compact SLR camera.

Before getting right into a in-depth comparison, here is a quick overview of how the TG-820 iHS grades versus the K-70 in relation to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Olympus TG-820 iHS and Pentax K-70. The full galleries are viewable at Olympus TG-820 iHS Gallery and Pentax K-70 Gallery.

If you're looking to carry your camera, you'll need to think about its weight and measurements. The Olympus TG-820 iHS provides outside dimensions of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") having a weight of 206 grams (0.45 lbs) while the Pentax K-70 has proportions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs).

Check the Olympus TG-820 iHS versus Pentax K-70 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using during that time. Here is a front view scale comparison of the TG-820 iHS and the K-70.

Factoring in dimensions and weight, the portability score of the TG-820 iHS and K-70 is 92 and 62 respectively.

More often than not, it is hard to envision the gap between sensor sizing merely by checking technical specs. The graphic below may offer you a stronger sense of the sensor sizes in the TG-820 iHS and K-70.

As you can tell, the 2 cameras have different resolutions and different sensor sizing. The TG-820 iHS using its tinier sensor will make shooting shallow DOF more challenging and the Pentax K-70 will give greater detail because of its extra 12MP. Greater resolution can also make it easier to crop photos a bit more aggressively. The older TG-820 iHS is going to be behind when it comes to sensor innovation.