Panasonic G1 vs Pentax K-7

The following is a complete assessment of the Panasonic G1 versus Pentax K-7, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by brands Panasonic and Pentax. The image resolution of the G1 (12MP) and the K-7 (15MP) is fairly comparable but the G1 (Four Thirds) and K-7 (APS-C) offer different sensor sizing.

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The G1 was unveiled 8 months earlier than the K-7 so they are of a similar generation. Each of the cameras feature different body design with the Panasonic G1 being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before diving into a thorough comparison, here is a quick summation of how the G1 matches up against the K-7 when it comes to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-G1 and Pentax K-7. The full galleries are viewable at Panasonic G1 Gallery and Pentax K-7 Gallery.

When you are aiming to travel with your camera frequently, you need to factor its weight and size. The Panasonic G1 provides exterior dimensions of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") accompanied by a weight of 360 grams (0.79 lbs) while the Pentax K-7 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs).

Compare the Panasonic G1 versus Pentax K-7 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at the time. Following is a front view size comparison of the G1 versus the K-7.

Taking into account dimensions and weight, the portability score of the G1 and K-7 is 82 and 60 respectively.

Sometimes, it is difficult to visualize the contrast in sensor dimensions purely by going through specifications. The image here should provide you a much better sense of the sensor dimensions in the G1 and K-7.

To sum up, both cameras feature different resolutions and different sensor dimensions. The G1 using its smaller sensor is going to make getting shallower DOF more challenging and the Pentax K-7 will show greater detail having an extra 3 Megapixels. Greater resolution will also enable you to crop pics way more aggressively. The more aged G1 will be disadvantaged in sensor tech.