Panasonic S1 vs Pentax K20D

Let's take a deeper look at the Panasonic S1 versus Pentax K20D, one is a Small Sensor Compact and the other is a Advanced DSLR by manufacturers Panasonic and Pentax. The resolution of the S1 (12MP) and the K20D (15MP) is very comparable but the S1 (1/2.3") and K20D (APS-C) possess different sensor size.

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The S1 was revealed 2 years after the K20D which is a fairly sizable gap as far as camera tech is concerned. Both of these cameras come with different body type with the Panasonic S1 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before getting in to a thorough comparison, below is a simple summation of how the S1 scores versus the K20D when considering portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Panasonic Lumix DMC-S1 and Pentax K20D. The full galleries are viewable at Panasonic S1 Gallery and Pentax K20D Gallery.

When you are going to carry around your camera, you need to think about its weight and size. The Panasonic S1 provides physical dimensions of 99mm x 59mm x 21mm (3.9" x 2.3" x 0.8") with a weight of 117 grams (0.26 lbs) whilst the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

Look at the Panasonic S1 versus Pentax K20D in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have at the time. Below is the front view physical size comparison of the S1 compared to the K20D.

Factoring in size and weight, the portability score of the S1 and K20D is 96 and 59 respectively.

Oftentimes, it can be tough to imagine the gap in sensor sizes simply by checking out specifications. The picture here will offer you a more clear sense of the sensor dimensions in the S1 and K20D.

Plainly, both of those cameras posses different megapixels and different sensor sizes. The S1 having a smaller sensor is going to make shooting shallow DOF trickier and the Pentax K20D will provide more detail because of its extra 3 Megapixels. Greater resolution can also allow you to crop images somewhat more aggressively. The fresher S1 should have an advantage with regard to sensor tech.