Pentax 645D vs Sony QX30

Here, we will be evaluating the Pentax 645D versus Sony QX30, one is a Pro DSLR and the latter is a Lens-style by rivals Pentax and Sony. There is a huge difference between the resolutions of the 645D (40MP) and QX30 (20MP) and the 645D (Medium format) and QX30 (1/2.3") posses different sensor measurements.

Photography Glossary

The 645D was brought out 5 years prior to the QX30 which is quite a significant gap as far as tech is concerned. Each of these cameras feature different body design with the Pentax 645D being a Large SLR camera and the Sony QX30 being a Lens-style camera.

Before getting right into a detailed comparison, here is a brief summation of how the 645D matches up against the QX30 in terms of portability, imaging, features and an overall score.

Here is a preview of the gallery images for Pentax 645D and Sony Cyber-shot DSC-QX30. The entire galleries are provided at Pentax 645D Gallery and Sony QX30 Gallery.

If you are looking to carry around your camera regularly, you'll have to factor in its weight and measurements. The Pentax 645D comes with physical dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs) whilst the Sony QX30 has proportions of 68mm x 65mm x 58mm (2.7" x 2.6" x 2.3") accompanied by a weight of 193 grams (0.43 lbs).

Check the Pentax 645D versus Sony QX30 in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you have chosen during that time. Underneath is a front view over all size comparison of the 645D and the QX30.

Taking into account size and weight, the portability score of the 645D and QX30 is 50 and 91 respectively.

In many cases, it can be tough to picture the contrast between sensor sizes simply by checking technical specs. The picture below may give you a far better sense of the sensor sizes in the 645D and QX30.

As you have seen, each of the cameras come with different megapixel count and different sensor sizes. The 645D due to its bigger sensor is going to make shooting shallower DOF less difficult and the Pentax 645D will give more detail having its extra 20MP. Higher resolution will also enable you to crop pictures a good deal more aggressively. The more aged 645D is going to be disadvantaged with regard to sensor innovation.