Panasonic G100 vs Pentax K20D

Let's examine more in depth at the Panasonic G100 vs Pentax K20D, one being a Entry-Level Mirrorless and the latter is a Advanced DSLR by competitors Panasonic and Pentax. There is a huge difference among the resolutions of the G100 (20MP) and K20D (15MP) and the G100 (Four Thirds) and K20D (APS-C) feature totally different sensor sizes.

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The G100 was manufactured 12 years later than the K20D and that is a fairly significant gap as far as camera tech is concerned. Both of the cameras offer different body type with the Panasonic G100 being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before we go through a detailed comparison, below is a quick introduction of how the G100 matches up versus the K20D with regards to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Panasonic Lumix DC-G100 and Pentax K20D. The entire galleries are viewable at Panasonic G100 Gallery and Pentax K20D Gallery.

For those who are aiming to carry your camera, you will need to factor its weight and dimensions. The Panasonic G100 has got physical measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") with a weight of 352 grams (0.78 lbs) and the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Contrast the Panasonic G100 vs Pentax K20D in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at that time. The following is the front view scale comparison of the G100 compared to the K20D.

Taking into consideration size and weight, the portability grade of the G100 and K20D is 81 and 59 respectively.

Oftentimes, it can be tough to envision the gap in sensor sizing merely by looking through specifications. The photograph below will offer you a clearer sense of the sensor sizing in the G100 and K20D.

To sum up, both of these cameras enjoy different resolutions and different sensor sizing. The G100 featuring a smaller sensor will make getting shallow DOF more difficult and the Panasonic G100 will result in more detail due to its extra 5 Megapixels. Higher resolution will allow you to crop pictures far more aggressively. The newer G100 is going to have a benefit with regard to sensor technology.