Panasonic ZR3 vs Pentax K20D

Below is a thorough analysis of the Panasonic ZR3 versus Pentax K20D, former being a Small Sensor Compact while the latter is a Advanced DSLR by brands Panasonic and Pentax. The resolution of the ZR3 (14MP) and the K20D (15MP) is pretty comparable but the ZR3 (1/2.3") and K20D (APS-C) offer totally different sensor sizing.

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The ZR3 was brought out 20 months later than the K20D which makes them a generation apart from one another. Each of the cameras feature different body design with the Panasonic ZR3 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before diving right into a complete comparison, here is a quick summary of how the ZR3 scores versus the K20D when it comes to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Panasonic Lumix DMC-ZR3 & Pentax K20D. The entire galleries are viewable at Panasonic ZR3 Gallery & Pentax K20D Gallery.

For anybody who is going to lug around your camera often, you will want to factor its weight and measurements. The Panasonic ZR3 has outside dimensions of 98mm x 55mm x 26mm (3.9" x 2.2" x 1.0") and a weight of 159 grams (0.35 lbs) while the Pentax K20D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Examine the Panasonic ZR3 versus Pentax K20D in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you have at that moment. Below is a front view sizing comparison of the ZR3 and the K20D.

Looking at dimensions and weight, the portability grade of the ZR3 and K20D is 94 and 59 respectively.

Typically, it is very hard to see the difference in sensor measurements merely by going through a spec sheet. The graphic underneath will help provide you a far better sense of the sensor sizes in the ZR3 and K20D.

As you can see, both the cameras come with different megapixel count and different sensor measurements. The ZR3 due to its smaller sensor will make achieving bokeh trickier and the Pentax K20D will produce extra detail having its extra 1 Megapixels. Higher resolution will also allow you to crop shots a good deal more aggressively. The more recent ZR3 is going to have a benefit in sensor tech.