Panasonic GX7 vs Pentax 645Z

Following is a detailed overview of the Panasonic GX7 versus Pentax 645Z, former is a Advanced Mirrorless while the other is a Pro DSLR by rivals Panasonic and Pentax. There is a substantial difference among the image resolutions of the GX7 (16MP) and 645Z (51MP) and the GX7 (Four Thirds) and 645Z (Medium format) posses different sensor sizing.

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The GX7 was brought out 5 months earlier than the 645Z so they are of a similar age. Both cameras feature different body design with the Panasonic GX7 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before getting right into a complete comparison, here is a brief synopsis of how the GX7 scores versus the 645Z with regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-GX7 & Pentax 645Z. The entire galleries are available at Panasonic GX7 Gallery & Pentax 645Z Gallery.

For anyone who is planning to carry around your camera, you have to consider its weight and volume. The Panasonic GX7 provides outer measurements of 123mm x 71mm x 55mm (4.8" x 2.8" x 2.2") with a weight of 402 grams (0.89 lbs) and the Pentax 645Z has sizing 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 GX7 versus Pentax 645Z in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you are utilising during that time. The following is a front view measurements comparison of the GX7 vs the 645Z.

Taking into account size and weight, the portability rating of the GX7 and 645Z is 81 and 49 respectively.

Generally, it's hard to imagine the difference in sensor sizes purely by researching a spec sheet. The picture below will help offer you a stronger sense of the sensor sizing in the GX7 and 645Z.

As you can see, each of these cameras come with different megapixel count and different sensor sizes. The GX7 because of its smaller sensor is going to make achieving bokeh more difficult and the Pentax 645Z will provide you with more detail having its extra 35 Megapixels. Greater resolution can also let you crop images a good deal more aggressively.