Pentax K20D vs Pentax S1

Its time to examine more closely at the Pentax K20D versus Pentax S1, former being a Advanced DSLR while the other is a Small Sensor Compact and they are both built by Pentax. The resolution of the K20D (15MP) and the S1 (14MP) is very similar but the K20D (APS-C) and S1 (1/2.3") possess different sensor size.

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The K20D was introduced 3 years prior to the S1 and that is quite a significant difference as far as technology is concerned. Both of these cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Pentax S1 being a Compact camera.

Before we go straight into a complete comparison, below is a brief introduction of how the K20D scores against the S1 when it comes to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Pentax K20D & Pentax Optio S1. The whole galleries are viewable at Pentax K20D Gallery & Pentax S1 Gallery.

If you're aiming to lug around your camera, you need to factor its weight and size. The Pentax K20D provides external dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) and the Pentax S1 has specifications of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Analyze the Pentax K20D versus Pentax S1 in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you have at that moment. Underneath is the front view over all size comparison of the K20D against the S1.

Using dimensions and weight, the portability grade of the K20D and S1 is 59 and 93 respectively.

Sometimes, its hard to visualize the contrast between sensor measurements merely by reading specifications. The visual below will offer you a stronger sense of the sensor sizes in the K20D and S1.

Plainly, each of the cameras have got different megapixel count and different sensor measurements. The K20D with its larger sensor is going to make achieving shallower depth of field easier and the Pentax K20D will deliver more detail using its extra 1MP. Greater resolution can also make it easier to crop pics much more aggressively. The older K20D is going to be disadvantaged with regard to sensor innovation.