Panasonic G1 vs Pentax 645Z

The following is a extensive comparison of the Panasonic G1 versus Pentax 645Z, one is a Entry-Level Mirrorless and the other is a Pro DSLR by companies Panasonic and Pentax. There exists a crucial gap between the resolutions of the G1 (12MP) and 645Z (51MP) and the G1 (Four Thirds) and 645Z (Medium format) have different sensor sizing.

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The G1 was introduced 6 years prior to the 645Z which is quite a serious gap as far as technology is concerned. Both of these cameras have different body design with the Panasonic G1 being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before diving straight to a more detailed comparison, here is a short synopsis of how the G1 matches up against the 645Z with regard to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Panasonic Lumix DMC-G1 and Pentax 645Z. The whole galleries are available at Panasonic G1 Gallery and Pentax 645Z Gallery.

For anybody who is intending to travel with your camera often, you'll need to consider its weight and measurements. The Panasonic G1 has got external dimensions of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 360 grams (0.79 lbs) and the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).

Look at the Panasonic G1 versus Pentax 645Z in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that moment. Underneath is a front view overall size comparison of the G1 vs the 645Z.

Factoring in dimensions and weight, the portability grade of the G1 and 645Z is 82 and 49 respectively.

Normally, it is hard to picture the difference between sensor dimensions merely by checking technical specs. The image below will offer you a far better sense of the sensor dimensions in the G1 and 645Z.

As you have seen, the 2 cameras provide different megapixels and different sensor dimensions. The G1 with its tinier sensor is going to make shooting bokeh harder and the Pentax 645Z will give extra detail using its extra 39 Megapixels. Greater resolution will enable you to crop images more aggressively. The more aged G1 is going to be behind when it comes to sensor innovation.