Panasonic G2 vs Pentax 645Z

Its time to examine more in depth at the Panasonic G2 and Pentax 645Z, one being a Entry-Level Mirrorless and the other is a Pro DSLR by competitors Panasonic and Pentax. There exists a crucial gap among the resolutions of the G2 (12MP) and 645Z (51MP) and the G2 (Four Thirds) and 645Z (Medium format) use totally different sensor sizing.

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The G2 was manufactured 4 years before the 645Z and that is a fairly serious gap as far as camera technology is concerned. Both cameras offer different body type with the Panasonic G2 being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before going in to a complete comparison, below is a simple overview of how the G2 matches up against the 645Z in the way of portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Panasonic Lumix DMC-G2 and Pentax 645Z. The entire galleries are provided at Panasonic G2 Gallery and Pentax 645Z Gallery.

In case you're intending to lug around your camera frequently, you'll need to consider its weight and dimensions. The Panasonic G2 offers outside dimensions of 124mm x 84mm x 74mm (4.9" x 3.3" x 2.9") accompanied by a weight of 428 grams (0.94 lbs) whilst the Pentax 645Z has dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Examine the Panasonic G2 and Pentax 645Z in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at that moment. The following is the front view dimensions comparison of the G2 vs the 645Z.

Taking into consideration dimensions and weight, the portability score of the G2 and 645Z is 72 and 49 respectively.

Sometimes, it is difficult to envision the gap in sensor measurements simply by looking through specs. The graphic underneath will provide you a more clear sense of the sensor sizes in the G2 and 645Z.

As you can plainly see, both cameras offer different resolutions and different sensor measurements. The G2 because of its smaller sensor will make shooting shallower DOF tougher and the Pentax 645Z will render more detail due to its extra 39 Megapixels. Greater resolution will also let you crop pics a little more aggressively. The older G2 will be behind with regard to sensor tech.