Panasonic GM1 vs Pentax 645D

Let's look a bit more closely at the Panasonic GM1 versus Pentax 645D, one is a Entry-Level Mirrorless and the latter is a Pro DSLR by brands Panasonic and Pentax. There is a sizeable difference between the resolutions of the GM1 (16MP) and 645D (40MP) and the GM1 (Four Thirds) and 645D (Medium format) posses totally different sensor measurements.

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The GM1 was brought out 3 years after the 645D which is quite a large gap as far as tech is concerned. Both the cameras have different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before going straight to a in-depth comparison, here is a concise highlight of how the GM1 scores versus the 645D with regard to portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Panasonic Lumix DMC-GM1 and Pentax 645D. The entire galleries are viewable at Panasonic GM1 Gallery and Pentax 645D Gallery.

For anyone who is aiming to carry around your camera, you need to consider its weight and proportions. The Panasonic GM1 has got exterior dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") and a weight of 204 grams (0.45 lbs) and the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Check out the Panasonic GM1 versus Pentax 645D in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at that moment. Following is a front view scale comparison of the GM1 compared to the 645D.

Looking at size and weight, the portability grade of the GM1 and 645D is 93 and 50 respectively.

Often, it can be tough to see the difference between sensor sizes only by reading a spec sheet. The picture here will help offer you a greater sense of the sensor sizes in the GM1 and 645D.

Clearly, each of the cameras provide different megapixel count and different sensor sizes. The GM1 featuring a tinier sensor will make shooting shallower depth of field more difficult and the Pentax 645D will deliver more detail having its extra 24 Megapixels. Higher resolution will also let you crop photographs more aggressively. The fresher GM1 will have an edge when it comes to sensor innovation.