Panasonic GH2 vs Pentax K20D

In this write-up, we will be looking at the Panasonic GH2 vs Pentax K20D, former is a Advanced Mirrorless while the latter is a Advanced DSLR by competitors Panasonic and Pentax. The image resolution of the GH2 (16MP) and the K20D (15MP) is relatively well matched but the GH2 (Four Thirds) and K20D (APS-C) come with different sensor sizes.

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The GH2 was introduced 2 years after the K20D which is quite a large difference as far as tech is concerned. Both of these cameras offer different body type with the Panasonic GH2 being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before delving in to a more detailed comparison, below is a simple summary of how the GH2 matches up vs the K20D when considering portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Panasonic Lumix DMC-GH2 & Pentax K20D. The whole galleries are available at Panasonic GH2 Gallery & Pentax K20D Gallery.

In case you're aiming to carry around your camera often, you should take into account its weight and size. The Panasonic GH2 features exterior measurements of 124mm x 90mm x 76mm (4.9" x 3.5" x 3.0") with a weight of 442 grams (0.97 lbs) while the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs).

Compare the Panasonic GH2 vs Pentax K20D in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary based on the lens you have chosen at that moment. Following is the front view size comparison of the GH2 against the K20D.

Taking into consideration size and weight, the portability score of the GH2 and K20D is 70 and 59 respectively.

Usually, it's difficult to imagine the gap between sensor sizes merely by reading through specifications. The pic underneath should give you a better sense of the sensor sizing in the GH2 and K20D.

Plainly, both of these cameras offer different megapixel count and different sensor sizes. The GH2 with its tinier sensor is going to make achieving shallow depth of field trickier and the Panasonic GH2 will give more detail using its extra 1 Megapixels. Higher resolution can also help you crop pictures a little more aggressively. The newer GH2 provides an edge in sensor innovation.