Panasonic GF3 vs Pentax K20D

The following is a detailed comparison of the Panasonic GF3 vs Pentax K20D, former is a Entry-Level Mirrorless while the other is a Advanced DSLR by companies Panasonic and Pentax. The resolution of the GF3 (12MP) and the K20D (15MP) is fairly close but the GF3 (Four Thirds) and K20D (APS-C) come with different sensor sizes.

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The GF3 was unveiled 3 years after the K20D which is a fairly sizable difference as far as camera tech is concerned. Both of these cameras come with different body type with the Panasonic GF3 being a Rangefinder-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before going straight into a full comparison, below is a quick summary of how the GF3 matches up versus the K20D in terms of portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Panasonic Lumix DMC-GF3 & Pentax K20D. The full galleries are available at Panasonic GF3 Gallery & Pentax K20D Gallery.

When you are intending to travel with your camera, you will have to factor its weight and dimensions. The Panasonic GF3 provides outer dimensions of 108mm x 67mm x 32mm (4.3" x 2.6" x 1.3") accompanied by a weight of 264 grams (0.58 lbs) whilst the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs).

Take a look at the Panasonic GF3 vs Pentax K20D in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ based on the lens you are utilising during that time. The following is the front view dimension comparison of the GF3 compared to the K20D.

Looking at size and weight, the portability grade of the GF3 and K20D is 90 and 59 respectively.

Oftentimes, it's tough to picture the gap in sensor dimensions just by researching specifications. The image below will provide you a greater sense of the sensor dimensions in the GF3 and K20D.

Plainly, the 2 cameras posses different megapixels and different sensor dimensions. The GF3 having a smaller sensor is going to make achieving shallow DOF more difficult and the Pentax K20D will render extra detail having an extra 3 Megapixels. Greater resolution can also allow you to crop pics somewhat more aggressively. The more recent GF3 provides a benefit in sensor technology.