Pentax 645Z vs Sony A380

In this write-up, we will be contrasting the Pentax 645Z vs Sony A380, one being a Pro DSLR and the latter is a Entry-Level DSLR by competitors Pentax and Sony. There exists a crucial gap between the image resolutions of the 645Z (51MP) and A380 (14MP) and the 645Z (Medium format) and A380 (APS-C) feature totally different sensor sizing.

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The 645Z was announced 4 years later than the A380 and that is quite a serious gap as far as technology is concerned. Each of the cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony A380 being a Compact SLR camera.

Before delving through a more detailed comparison, below is a concise summary of how the 645Z matches up vs the A380 with respect to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Pentax 645Z and Sony Alpha DSLR-A380. The whole galleries are viewable at Pentax 645Z Gallery and Sony A380 Gallery.

For those who are intending to lug around your camera, you will have to take into account its weight and measurements. The Pentax 645Z comes with outer dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) while the Sony A380 has proportions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") having a weight of 519 grams (1.14 lbs).

Check the Pentax 645Z vs Sony A380 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that time. The following is the front view proportions comparison of the 645Z versus the A380.

Taking into account dimensions and weight, the portability rating of the 645Z and A380 is 49 and 68 respectively.

More often than not, it is hard to see the gap between sensor measurements simply by reviewing specs. The graphic underneath will give you a much better sense of the sensor dimensions in the 645Z and A380.

As you can plainly see, each of the cameras enjoy different megapixels and different sensor measurements. The 645Z using its bigger sensor will make getting shallow depth of field easier and the Pentax 645Z will offer you greater detail with its extra 37MP. Higher resolution will also enable you to crop shots far more aggressively. The younger 645Z will have an edge with regard to sensor technology.