Olympus TG-320 vs Pentax K20D

Its time to look more in depth at the Olympus TG-320 and Pentax K20D, former is a Waterproof while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The resolution of the TG-320 (14MP) and the K20D (15MP) is pretty close but the TG-320 (1/2.3") and K20D (APS-C) provide different sensor sizes.

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The TG-320 was revealed 3 years after the K20D which is a fairly significant difference as far as camera tech is concerned. Both of these cameras feature different body design with the Olympus TG-320 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before we go into a thorough comparison, here is a short synopsis of how the TG-320 scores versus the K20D in regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus TG-320 & Pentax K20D. The full galleries are provided at Olympus TG-320 Gallery & Pentax K20D Gallery.

When you are looking to carry around your camera often, you will need to consider its weight and volume. The Olympus TG-320 has got exterior dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") having a weight of 155 grams (0.34 lbs) and the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Take a look at the Olympus TG-320 and Pentax K20D in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ depending on the lens you have during that time. Below is a front view sizing comparison of the TG-320 compared to the K20D.

Using size and weight, the portability rating of the TG-320 and K20D is 94 and 59 respectively.

Generally, it is difficult to picture the contrast in sensor sizes purely by looking through specs. The picture underneath might offer you a stronger sense of the sensor sizes in the TG-320 and K20D.

As you can plainly see, both the cameras feature different resolutions and different sensor sizes. The TG-320 using its smaller sensor is going to make shooting shallower depth of field more difficult and the Pentax K20D will result in greater detail because of its extra 1 Megapixels. Higher resolution can also enable you to crop photographs way more aggressively. The newer TG-320 should have an advantage with regard to sensor innovation.