Panasonic G3 vs Pentax K-30

Below, we are comparing the Panasonic G3 and Pentax K-30, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Panasonic and Pentax. The resolution of the G3 (16MP) and the K-30 (16MP) is fairly comparable but the G3 (Four Thirds) and K-30 (APS-C) come with different sensor sizes.

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The G3 was unveiled 15 months before the K-30 making the cameras a generation away from each other. Each of these cameras come with different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K-30 being a Mid-size SLR camera.

Before we go through a comprehensive comparison, below is a brief overview of how the G3 grades vs the K-30 when it comes to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Panasonic Lumix DMC-G3 and Pentax K-30. The full galleries are viewable at Panasonic G3 Gallery and Pentax K-30 Gallery.

For those who are intending to travel with your camera, you need to factor its weight and proportions. The Panasonic G3 features exterior dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") having a weight of 336 grams (0.74 lbs) whilst the Pentax K-30 has measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") along with a weight of 650 grams (1.43 lbs).

See the Panasonic G3 and Pentax K-30 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that moment. Following is the front view overall size comparison of the G3 and the K-30.

Considering size and weight, the portability rating of the G3 and K-30 is 83 and 63 respectively.

In many cases, it is hard to visualize the contrast in sensor dimensions just by going through technical specs. The pic here may give you a clearer sense of the sensor sizes in the G3 and K-30.

As you have seen, both cameras have got the exact same resolution but different sensor dimensions. The G3 comes with the smaller sensor which is going to make obtaining shallower depth of field trickier. The more aged G3 will be disadvantaged with regard to sensor tech.