Pentax 645Z vs Sony A450

In this write-up, we will be looking at the Pentax 645Z vs Sony A450, former is a Pro DSLR while the latter is a Entry-Level DSLR by brands Pentax and Sony. There exists a sizable gap between the image resolutions of the 645Z (51MP) and A450 (14MP) and the 645Z (Medium format) and A450 (APS-C) use totally different sensor dimensions.

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The 645Z was brought out 4 years after the A450 which is quite a significant difference as far as technology is concerned. Each of these cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony A450 being a Compact SLR camera.

Before getting straight into a in depth comparison, below is a simple introduction of how the 645Z scores versus the A450 with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Pentax 645Z & Sony Alpha DSLR-A450. The entire galleries are provided at Pentax 645Z Gallery & Sony A450 Gallery.

If you're going to carry around your camera often, you are going to need to factor its weight and size. The Pentax 645Z enjoys physical measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) and the Sony A450 has specifications of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") with a weight of 560 grams (1.23 lbs).

Check the Pentax 645Z vs Sony A450 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you are employing during that time. The following is the front view measurements comparison of the 645Z and the A450.

Factoring in dimensions and weight, the portability grade of the 645Z and A450 is 49 and 65 respectively.

Typically, it can be hard to see the difference between sensor sizes simply by going over specifications. The pic underneath should offer you a much better sense of the sensor measurements in the 645Z and A450.

To sum up, each of the cameras offer different megapixel count and different sensor sizes. The 645Z because of its bigger sensor will make getting shallower depth of field simpler and the Pentax 645Z will offer you extra detail having its extra 37 Megapixels. Higher resolution will also enable you to crop shots a little more aggressively. The fresher 645Z will have an advantage with regard to sensor innovation.