Panasonic G7 vs Pentax K-3

Here, we are analyzing the Panasonic G7 vs Pentax K-3, one is a Advanced Mirrorless and the other is a Advanced DSLR by manufacturers Panasonic and Pentax. There is a huge difference among the sensor resolutions of the G7 (16MP) and K-3 (24MP) and the G7 (Four Thirds) and K-3 (APS-C) offer totally different sensor measurements.

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The G7 was introduced 14 months after the K-3 making them a generation away from each other. Both of these cameras feature different body design with the Panasonic G7 being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before going into a thorough comparison, here is a quick overview of how the G7 grades against the K-3 with regard to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Panasonic Lumix DMC-G7 and Pentax K-3. The whole galleries are provided at Panasonic G7 Gallery and Pentax K-3 Gallery.

If you're going to carry around your camera often, you're going to have to factor in its weight and size. The Panasonic G7 comes with outside dimensions of 125mm x 86mm x 77mm (4.9" x 3.4" x 3.0") with a weight of 410 grams (0.90 lbs) and the Pentax K-3 has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Contrast the Panasonic G7 vs Pentax K-3 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at the time. Underneath is a front view physical size comparison of the G7 and the K-3.

Factoring in size and weight, the portability rating of the G7 and K-3 is 71 and 59 respectively.

Oftentimes, its tough to see the gap in sensor sizes only by seeing technical specs. The picture here will help provide you a better sense of the sensor sizes in the G7 and K-3.

As you have seen, both of those cameras feature different megapixel count and different sensor sizes. The G7 with its smaller sensor will make shooting bokeh trickier and the Pentax K-3 will provide extra detail using its extra 8 Megapixels. Greater resolution will also let you crop images way more aggressively. The more recent G7 will have an advantage when it comes to sensor technology.