Olympus TG-810 vs Pentax K20D

Lets take a closer look at the Olympus TG-810 versus Pentax K20D, one is a Waterproof and the latter is a Advanced DSLR by brands Olympus and Pentax. The sensor resolution of the TG-810 (14MP) and the K20D (15MP) is relatively close but the TG-810 (1/2.3") and K20D (APS-C) offer different sensor sizing.

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The TG-810 was introduced 3 years after the K20D which is a fairly large gap as far as camera tech is concerned. Both of the cameras have different body design with the Olympus TG-810 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going into a in-depth comparison, here is a short highlight of how the TG-810 matches up against the K20D when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus TG-810 and Pentax K20D. The whole galleries are available at Olympus TG-810 Gallery and Pentax K20D Gallery.

For those who are intending to carry around your camera often, you are going to need to consider its weight and size. The Olympus TG-810 offers external measurements of 100mm x 65mm x 26mm (3.9" x 2.6" x 1.0") with a weight of 215 grams (0.47 lbs) and the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Contrast the Olympus TG-810 versus Pentax K20D in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at the time. The following is a front view size comparison of the TG-810 and the K20D.

Considering size and weight, the portability rating of the TG-810 and K20D is 92 and 59 respectively.

In many cases, it is difficult to imagine the difference in sensor sizes simply by looking through specifications. The picture here may provide you a much better sense of the sensor measurements in the TG-810 and K20D.

To sum up, the two cameras provide different megapixels and different sensor sizes. The TG-810 having a smaller sensor is going to make shooting shallower depth of field tougher and the Pentax K20D will provide you with more detail using its extra 1 Megapixels. Higher resolution will also let you crop photographs more aggressively. The newer TG-810 provides an advantage with regard to sensor technology.