Panasonic GF5 vs Pentax 645D

The following is a in depth analysis of the Panasonic GF5 and Pentax 645D, one is a Entry-Level Mirrorless and the latter is a Pro DSLR by rivals Panasonic and Pentax. There is a sizeable difference between the sensor resolutions of the GF5 (12MP) and 645D (40MP) and the GF5 (Four Thirds) and 645D (Medium format) use totally different sensor sizing.

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The GF5 was brought out 2 years after the 645D which is quite a large gap as far as tech is concerned. Each of these cameras come with different body type with the Panasonic GF5 being a Rangefinder-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before we go in to a comprehensive comparison, below is a simple view of how the GF5 scores vs the 645D with respect to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Panasonic Lumix DMC-GF5 and Pentax 645D. The entire galleries are viewable at Panasonic GF5 Gallery and Pentax 645D Gallery.

For anyone who is looking to travel with your camera regularly, you'll have to take into account its weight and size. The Panasonic GF5 enjoys outside dimensions of 108mm x 67mm x 37mm (4.3" x 2.6" x 1.5") and a weight of 267 grams (0.59 lbs) whilst the Pentax 645D has specifications of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Analyze the Panasonic GF5 and Pentax 645D in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that time. Below is the front view measurement comparison of the GF5 vs the 645D.

Looking at size and weight, the portability grade of the GF5 and 645D is 89 and 50 respectively.

Usually, it can be tough to visualise the gap between sensor dimensions just by reviewing a spec sheet. The pic here may give you a much better sense of the sensor dimensions in the GF5 and 645D.

As you can see, both of the cameras posses different resolutions and different sensor dimensions. The GF5 due to its tinier sensor will make getting shallow DOF more difficult and the Pentax 645D will deliver extra detail having its extra 28MP. Higher resolution will let you crop pictures somewhat more aggressively. The newer GF5 will have an advantage in sensor innovation.