Casio EX-ZR300 vs Pentax K20D

Let's look closer at the Casio EX-ZR300 vs Pentax K20D, former being a Small Sensor Superzoom while the latter is a Advanced DSLR by manufacturers Casio and Pentax. The resolution of the EX-ZR300 (16MP) and the K20D (15MP) is pretty close but the EX-ZR300 (1/2.3") and K20D (APS-C) posses totally different sensor measurements.

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The EX-ZR300 was announced 3 years later than the K20D and that is a fairly large difference as far as camera technology is concerned. Each of these cameras have different body design with the Casio EX-ZR300 being a Compact camera and the Pentax K20D being a Mid-size SLR camera.

Before going right into a thorough comparison, here is a simple summation of how the EX-ZR300 grades versus the K20D in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Casio Exilim EX-ZR300 & Pentax K20D. The whole galleries are provided at Casio EX-ZR300 Gallery & Pentax K20D Gallery.

If you are planning to lug around your camera regularly, you need to take into account its weight and volume. The Casio EX-ZR300 comes with exterior dimensions of 105mm x 59mm x 29mm (4.1" x 2.3" x 1.1") with a weight of 205 grams (0.45 lbs) whilst the Pentax K20D has sizing of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Take a look at the Casio EX-ZR300 vs Pentax K20D in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are employing at that time. Following is a front view physical size comparison of the EX-ZR300 compared to the K20D.

Factoring in dimensions and weight, the portability rating of the EX-ZR300 and K20D is 92 and 59 respectively.

Typically, it's difficult to visualise the gap in sensor measurements merely by looking through technical specs. The visual here may provide you a much better sense of the sensor dimensions in the EX-ZR300 and K20D.

As you can tell, both cameras have different megapixels and different sensor measurements. The EX-ZR300 having a smaller sensor will make shooting shallow DOF tougher and the Casio EX-ZR300 will render greater detail with its extra 1 Megapixels. Higher resolution can also enable you to crop pictures a bit more aggressively. The more modern EX-ZR300 is going to have an advantage when it comes to sensor innovation.