Pentax 645Z vs Sony A350

Here, we are comparing the Pentax 645Z and Sony A350, one is a Pro DSLR and the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There is a crucial difference among the sensor resolutions of the 645Z (51MP) and A350 (14MP) and the 645Z (Medium format) and A350 (APS-C) posses totally different sensor sizes.

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The 645Z was introduced 5 years after the A350 which is a fairly serious gap as far as camera tech is concerned. Both the cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony A350 being a Compact SLR camera.

Before going straight to a more detailed comparison, here is a quick summary of how the 645Z scores vs the A350 with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Pentax 645Z and Sony Alpha DSLR-A350. The whole galleries are provided at Pentax 645Z Gallery and Sony A350 Gallery.

For anyone who is intending to carry around your camera often, you are going to need to factor in its weight and proportions. The Pentax 645Z has external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) whilst the Sony A350 has measurements of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") accompanied by a weight of 674 grams (1.49 lbs).

Check the Pentax 645Z and Sony A350 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at that moment. Underneath is a front view size comparison of the 645Z compared to the A350.

Looking at size and weight, the portability grade of the 645Z and A350 is 49 and 62 respectively.

Generally, it's hard to visualise the contrast in sensor sizes purely by checking out technical specs. The image here may offer you a better sense of the sensor dimensions in the 645Z and A350.

As you have seen, each of these cameras come with different resolutions and different sensor sizes. The 645Z with its larger sensor will make achieving shallow depth of field easier and the Pentax 645Z will provide more detail using its extra 37 Megapixels. Greater resolution will also make it easier to crop pics a good deal more aggressively. The fresher 645Z is going to have an advantage with regard to sensor tech.