Olympus TG-5 vs Pentax K20D

On this page, we will be contrasting the Olympus TG-5 versus Pentax K20D, former being a Waterproof while the latter is a Advanced DSLR by brands Olympus and Pentax. The image resolution of the TG-5 (12MP) and the K20D (15MP) is relatively well matched but the TG-5 (1/2.3") and K20D (APS-C) offer different sensor sizes.

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The TG-5 was introduced 9 years later than the K20D and that is quite a large difference as far as tech is concerned. Both of the cameras have different body design with the Olympus TG-5 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before we go into a in depth comparison, here is a short synopsis of how the TG-5 scores against the K20D in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus Tough TG-5 & Pentax K20D. The whole galleries are viewable at Olympus TG-5 Gallery & Pentax K20D Gallery.

For anyone who is intending to carry your camera frequently, you need to factor in its weight and size. The Olympus TG-5 comes with physical dimensions of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") accompanied by a weight of 250 grams (0.55 lbs) whilst 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).

Compare the Olympus TG-5 versus Pentax K20D in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are working with at that moment. The following is a front view sizing comparison of the TG-5 and the K20D.

Looking at size and weight, the portability grade of the TG-5 and K20D is 90 and 59 respectively.

Generally, it is hard to imagine the contrast between sensor sizing simply by looking at specifications. The graphic underneath may offer you a clearer sense of the sensor dimensions in the TG-5 and K20D.

To sum up, the 2 cameras have different megapixels and different sensor sizing. The TG-5 with its tinier sensor is going to make achieving shallow depth of field trickier and the Pentax K20D will give you more detail using its extra 3MP. Higher resolution will enable you to crop pictures a bit more aggressively. The fresher TG-5 provides an edge when it comes to sensor technology.