Olympus TG-850 iHS vs Pentax K-3 III

On this page, we are reviewing the Olympus TG-850 iHS versus Pentax K-3 III, former being a Waterproof while the other is a Advanced DSLR by manufacturers Olympus and Pentax. There is a large difference between the resolutions of the TG-850 iHS (16MP) and K-3 III (26MP) and the TG-850 iHS (1/2.3") and K-3 III (APS-C) provide different sensor sizing.

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The TG-850 iHS was brought out 8 years prior to the K-3 III and that is quite a serious difference as far as tech is concerned. Both of these cameras have different body design with the Olympus TG-850 iHS being a Compact camera and the Pentax K-3 III being a Mid-size SLR camera.

Before we go into a step-by-step comparison, here is a simple highlight of how the TG-850 iHS matches up versus the K-3 III in the way of portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus Stylus Tough TG-850 iHS & Pentax K-3 Mark III. The entire galleries are viewable at Olympus TG-850 iHS Gallery & Pentax K-3 III Gallery.

If you're planning to lug around your camera, you'll have to think about its weight and volume. The Olympus TG-850 iHS offers outer dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") along with a weight of 218 grams (0.48 lbs) whilst the Pentax K-3 III has sizing of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") having a weight of 820 grams (1.81 lbs).

Check out the Olympus TG-850 iHS versus Pentax K-3 III in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you are utilising at the time. Here is a front view dimensions comparison of the TG-850 iHS versus the K-3 III.

Taking into consideration size and weight, the portability score of the TG-850 iHS and K-3 III is 91 and 58 respectively.

Oftentimes, its difficult to picture the contrast between sensor measurements purely by reviewing technical specs. The graphic below might give you a greater sense of the sensor sizes in the TG-850 iHS and K-3 III.

As you can tell, each of these cameras provide different megapixel count and different sensor measurements. The TG-850 iHS due to its tinier sensor is going to make shooting shallow DOF trickier and the Pentax K-3 III will offer you more detail having its extra 10 Megapixels. Greater resolution can also enable you to crop images more aggressively. The older TG-850 iHS is going to be disadvantaged when it comes to sensor technology.