Pentax 645Z vs Sony NEX-5R

Lets look a little more closely at the Pentax 645Z versus Sony NEX-5R, former is a Pro DSLR while the other is a Entry-Level Mirrorless by competitors Pentax and Sony. There is a sizable difference between the image resolutions of the 645Z (51MP) and NEX-5R (16MP) and the 645Z (Medium format) and NEX-5R (APS-C) have totally different sensor measurements.

Photography Glossary

The 645Z was unveiled 20 months after the NEX-5R making them a generation away from each other. Both cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony NEX-5R being a Rangefinder-style mirrorless camera.

Before going right into a more detailed comparison, here is a quick introduction of how the 645Z matches up vs the NEX-5R with regards to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Pentax 645Z & Sony Alpha NEX-5R. The full galleries are available at Pentax 645Z Gallery & Sony NEX-5R Gallery.

For anybody who is looking to carry around your camera frequently, you are going to need to take into account its weight and dimensions. The Pentax 645Z has outside dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) while the Sony NEX-5R has dimensions of 111mm x 59mm x 39mm (4.4" x 2.3" x 1.5") and a weight of 276 grams (0.61 lbs).

Check the Pentax 645Z versus Sony NEX-5R in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are utilizing during that time. Here is a front view scale comparison of the 645Z versus the NEX-5R.

Considering size and weight, the portability score of the 645Z and NEX-5R is 49 and 89 respectively.

Oftentimes, it is very tough to visualise the gap between sensor sizes merely by going over specifications. The image below should provide you a more clear sense of the sensor sizes in the 645Z and NEX-5R.

Plainly, the two cameras feature different megapixels and different sensor sizes. The 645Z having a larger sensor will make getting bokeh easier and the Pentax 645Z will deliver extra detail having an extra 35 Megapixels. Greater resolution can also enable you to crop images way more aggressively. The more modern 645Z will have a benefit with regard to sensor tech.