Olympus TG-870 vs Pentax K-r

Below is a thorough overview of the Olympus TG-870 and Pentax K-r, one being a Ultracompact and the latter is a Entry-Level DSLR by rivals Olympus and Pentax. There exists a big gap among the image resolutions of the TG-870 (16MP) and K-r (12MP) and the TG-870 (1/2.3") and K-r (APS-C) come with totally different sensor measurements.

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The TG-870 was released 4 years later than the K-r and that is a fairly big gap as far as camera technology is concerned. Both of the cameras offer different body type with the Olympus TG-870 being a Ultracompact camera and the Pentax K-r being a Compact SLR camera.

Before getting through a in depth comparison, below is a concise summation of how the TG-870 matches up versus the K-r in terms of portability, imaging, features and an overall grade.

This is a preview of the gallery images for Olympus Stylus Tough TG-870 and Pentax K-r. The complete galleries are available at Olympus TG-870 Gallery and Pentax K-r Gallery.

In case you're planning to lug around your camera, you have to take into account its weight and size. The Olympus TG-870 provides exterior measurements of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) whilst the Pentax K-r has specifications of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs).

Contrast the Olympus TG-870 and Pentax K-r in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at that time. Below is the front view dimension comparison of the TG-870 against the K-r.

Taking into account dimensions and weight, the portability score of the TG-870 and K-r is 91 and 67 respectively.

Typically, it can be tough to see the contrast in sensor measurements merely by researching a spec sheet. The graphic here will offer you a stronger sense of the sensor sizing in the TG-870 and K-r.

As you can see, both cameras enjoy different megapixel count and different sensor measurements. The TG-870 featuring a smaller sensor will make shooting shallower DOF more challenging and the Olympus TG-870 will result in greater detail as a result of its extra 4MP. Higher resolution will allow you to crop pictures far more aggressively. The more recent TG-870 is going to have a benefit with regard to sensor technology.