Panasonic GH3 vs Pentax K-7

Here is a in depth review of the Panasonic GH3 and Pentax K-7, former being a Advanced Mirrorless while the other is a Advanced DSLR by companies Panasonic and Pentax. The sensor resolution of the GH3 (16MP) and the K-7 (15MP) is fairly close but the GH3 (Four Thirds) and K-7 (APS-C) feature totally different sensor measurements.

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The GH3 was introduced 3 years later than the K-7 and that is a fairly significant difference as far as camera tech is concerned. Both the cameras offer different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before diving straight into a more detailed comparison, below is a short overview of how the GH3 matches up vs the K-7 with regard to portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-GH3 & Pentax K-7. The whole galleries are provided at Panasonic GH3 Gallery & Pentax K-7 Gallery.

For anybody who is aiming to carry your camera frequently, you need to factor its weight and dimensions. The Panasonic GH3 provides physical measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs) and the Pentax K-7 has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs).

Take a look at the Panasonic GH3 and Pentax K-7 in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change depending on the lens you use at that moment. Below is the front view over all size comparison of the GH3 and the K-7.

Factoring in size and weight, the portability grade of the GH3 and K-7 is 66 and 60 respectively.

Usually, it's hard to envision the gap in sensor sizing merely by viewing specs. The graphic underneath will help provide you a clearer sense of the sensor measurements in the GH3 and K-7.

All in all, the 2 cameras enjoy different megapixels and different sensor sizing. The GH3 with its smaller sensor will make shooting shallow DOF trickier and the Panasonic GH3 will result in extra detail using its extra 1MP. Greater resolution will enable you to crop images far more aggressively. The more recent GH3 will have an edge with regard to sensor innovation.