Pentax 645Z vs Sony A580

Below is a in depth overview of the Pentax 645Z versus Sony A580, one being a Pro DSLR and the latter is a Entry-Level DSLR by competitors Pentax and Sony. There is a sizeable difference among the image resolutions of the 645Z (51MP) and A580 (16MP) and the 645Z (Medium format) and A580 (APS-C) offer totally different sensor sizes.

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The 645Z was unveiled 2 years later than the A580 and that is a fairly large gap as far as camera tech is concerned. The two cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony A580 being a Compact SLR camera.

Before delving into a comprehensive comparison, here is a short synopsis of how the 645Z matches up versus the A580 in relation to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Pentax 645Z and Sony Alpha DSLR-A580. The full galleries are available at Pentax 645Z Gallery and Sony A580 Gallery.

In case you're planning to lug around your camera often, you should consider its weight and measurements. The Pentax 645Z comes with exterior dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) whilst the Sony A580 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") with a weight of 599 grams (1.32 lbs).

Examine the Pentax 645Z versus Sony A580 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at that time. Underneath is a front view overall size comparison of the 645Z compared to the A580.

Using size and weight, the portability score of the 645Z and A580 is 49 and 64 respectively.

Usually, it is tough to envision the contrast in sensor measurements merely by viewing technical specs. The photograph below should provide you a clearer sense of the sensor dimensions in the 645Z and A580.

As you have seen, the 2 cameras come with different megapixel count and different sensor measurements. The 645Z using its bigger sensor will make achieving bokeh easier and the Pentax 645Z will provide you with greater detail having an extra 35 Megapixels. Higher resolution can also make it easier to crop shots a good deal more aggressively. The fresher 645Z will have a benefit with regard to sensor technology.