Olympus TG-860 vs Pentax K-3

Here is a extensive comparison of the Olympus TG-860 vs Pentax K-3, former being a Waterproof while the other is a Advanced DSLR by competitors Olympus and Pentax. There is a substantial difference between the sensor resolutions of the TG-860 (16MP) and K-3 (24MP) and the TG-860 (1/2.3") and K-3 (APS-C) feature different sensor measurements.

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The TG-860 was released 11 months later than the K-3 so they are both of a similar age. Both cameras come with different body type with the Olympus TG-860 being a Ultracompact camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving straight into a step-by-step comparison, below is a brief summation of how the TG-860 scores against the K-3 in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Olympus Stylus Tough TG-860 & Pentax K-3. The complete galleries are provided at Olympus TG-860 Gallery & Pentax K-3 Gallery.

If you're looking to carry your camera often, you'll need to consider its weight and volume. The Olympus TG-860 comes with exterior measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") with a weight of 224 grams (0.49 lbs) while the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Compare the Olympus TG-860 vs Pentax K-3 in our newest Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you select at the time. Following is the front view dimension comparison of the TG-860 against the K-3.

Considering size and weight, the portability score of the TG-860 and K-3 is 91 and 59 respectively.

In many cases, it's hard to visualize the gap between sensor sizing purely by reading through specifications. The photograph here should provide you a clearer sense of the sensor sizing in the TG-860 and K-3.

Plainly, both of these cameras posses different megapixel count and different sensor sizing. The TG-860 featuring a tinier sensor is going to make achieving shallow DOF harder and the Pentax K-3 will resolve extra detail as a result of its extra 8MP. Greater resolution will help you crop photos somewhat more aggressively. The newer TG-860 should have an edge in sensor innovation.