Pentax 645Z vs Sony A500

Here, we are contrasting the Pentax 645Z and Sony A500, one being a Pro DSLR and the other is a Entry-Level DSLR by competitors Pentax and Sony. There exists a big gap among the sensor resolutions of the 645Z (51MP) and A500 (12MP) and the 645Z (Medium format) and A500 (APS-C) offer different sensor measurements.

Photography Glossary

The 645Z was revealed 4 years later than the A500 and that is a fairly big gap as far as camera technology is concerned. Both the cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony A500 being a Compact SLR camera.

Before going straight to a detailed comparison, here is a concise highlight of how the 645Z scores vs the A500 with regard to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Pentax 645Z and Sony Alpha DSLR-A500. The full galleries are viewable at Pentax 645Z Gallery and Sony A500 Gallery.

When you are planning to carry your camera, you'll need to factor its weight and size. The Pentax 645Z features physical dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) whilst the Sony A500 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 630 grams (1.39 lbs).

Take a look at the Pentax 645Z and Sony A500 in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at the time. The following is a front view sizing comparison of the 645Z against the A500.

Taking into consideration dimensions and weight, the portability grade of the 645Z and A500 is 49 and 63 respectively.

Typically, it is very tough to visualize the difference in sensor sizing merely by viewing specifications. The photograph underneath may give you a far better sense of the sensor sizes in the 645Z and A500.

To sum up, both the cameras come with different resolutions and different sensor sizing. The 645Z using its larger sensor is going to make achieving bokeh simpler and the Pentax 645Z will render extra detail because of its extra 39 Megapixels. Greater resolution can also allow you to crop images a good deal more aggressively. The younger 645Z should have an advantage with regard to sensor technology.