Olympus SZ-31MR iHS vs Pentax K20D

Following is a detailed assessment of the Olympus SZ-31MR iHS and Pentax K20D, one is a Small Sensor Superzoom and the other is a Advanced DSLR by manufacturers Olympus and Pentax. The resolution of the SZ-31MR iHS (16MP) and the K20D (15MP) is very similar but the SZ-31MR iHS (1/2.3") and K20D (APS-C) possess different sensor size.

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The SZ-31MR iHS was unveiled 3 years after the K20D which is quite a serious gap as far as tech is concerned. Both the cameras come with different body type with the Olympus SZ-31MR iHS being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going through a complete comparison, below is a quick introduction of how the SZ-31MR iHS scores vs the K20D in the way of portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Olympus SZ-31MR iHS and Pentax K20D. The full galleries are provided at Olympus SZ-31MR iHS Gallery and Pentax K20D Gallery.

If you're looking to carry around your camera, you have to take into account its weight and volume. The Olympus SZ-31MR iHS has exterior dimensions of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") with a weight of 226 grams (0.50 lbs) and the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

Check the Olympus SZ-31MR iHS and Pentax K20D in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at the time. Following is the front view overall size comparison of the SZ-31MR iHS compared to the K20D.

Taking into consideration size and weight, the portability score of the SZ-31MR iHS and K20D is 89 and 59 respectively.

Often, it is very tough to picture the contrast between sensor sizes purely by going over technical specs. The pic below will give you a far better sense of the sensor dimensions in the SZ-31MR iHS and K20D.

As you have seen, the two cameras have got different megapixels and different sensor sizes. The SZ-31MR iHS having a tinier sensor is going to make achieving shallow DOF more difficult and the Olympus SZ-31MR iHS will deliver more detail having an extra 1MP. Greater resolution will also enable you to crop photos much more aggressively. The fresher SZ-31MR iHS provides a benefit with regard to sensor innovation.