Panasonic GM1 vs Pentax 645Z

Let's look much closer at the Panasonic GM1 vs Pentax 645Z, former is a Entry-Level Mirrorless while the latter is a Pro DSLR by companies Panasonic and Pentax. There exists a considerable gap among the sensor resolutions of the GM1 (16MP) and 645Z (51MP) and the GM1 (Four Thirds) and 645Z (Medium format) boast totally different sensor dimensions.

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The GM1 was released 3 months before the 645Z which means that they are of a similar age. Each of the cameras have different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before getting into a in-depth comparison, here is a brief highlight of how the GM1 scores versus the 645Z in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Panasonic Lumix DMC-GM1 & Pentax 645Z. The complete galleries are viewable at Panasonic GM1 Gallery & Pentax 645Z Gallery.

In case you're intending to travel with your camera, you need to think about its weight and measurements. The Panasonic GM1 comes with outside measurements of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") having a weight of 204 grams (0.45 lbs) while the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Compare the Panasonic GM1 vs Pentax 645Z in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you are using at the time. Underneath is a front view measurements comparison of the GM1 compared to the 645Z.

Considering dimensions and weight, the portability rating of the GM1 and 645Z is 93 and 49 respectively.

More often than not, it is hard to see the gap in sensor dimensions purely by viewing specifications. The picture here will help provide you a much better sense of the sensor measurements in the GM1 and 645Z.

Plainly, both cameras provide different megapixels and different sensor dimensions. The GM1 due to its smaller sensor will make shooting shallow DOF more difficult and the Pentax 645Z will result in greater detail as a result of its extra 35MP. Higher resolution can also allow you to crop shots more aggressively.