Panasonic G2 vs Pentax K-3

Below, we are looking at the Panasonic G2 vs Pentax K-3, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Panasonic and Pentax. There is a sizeable difference among the image resolutions of the G2 (12MP) and K-3 (24MP) and the G2 (Four Thirds) and K-3 (APS-C) use totally different sensor size.

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The G2 was released 4 years prior to the K-3 and that is a fairly large gap as far as camera tech is concerned. Both the cameras come with different body type with the Panasonic G2 being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before diving straight into a comprehensive comparison, below is a brief summation of how the G2 grades vs the K-3 when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Panasonic Lumix DMC-G2 and Pentax K-3. The complete galleries are available at Panasonic G2 Gallery and Pentax K-3 Gallery.

For anybody who is aiming to carry your camera often, you will have to consider its weight and size. The Panasonic G2 enjoys outside dimensions of 124mm x 84mm x 74mm (4.9" x 3.3" x 2.9") having a weight of 428 grams (0.94 lbs) whilst the Pentax K-3 has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Compare the Panasonic G2 vs Pentax K-3 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing at the time. Underneath is the front view proportions comparison of the G2 against the K-3.

Using size and weight, the portability grade of the G2 and K-3 is 72 and 59 respectively.

Oftentimes, it is tough to envision the contrast in sensor sizing simply by looking through a spec sheet. The photograph here should provide you a greater sense of the sensor sizes in the G2 and K-3.

As you can see, both of those cameras posses different resolutions and different sensor sizing. The G2 featuring a smaller sensor will make getting bokeh more difficult and the Pentax K-3 will provide you with more detail as a result of its extra 12 Megapixels. Greater resolution can also make it easier to crop photos somewhat more aggressively. The older G2 will be behind in sensor innovation.