Pentax 645D vs Sony NEX-3N

Below, we will be reviewing the Pentax 645D and Sony NEX-3N, one is a Pro DSLR and the latter is a Entry-Level Mirrorless by brands Pentax and Sony. There exists a significant gap between the resolutions of the 645D (40MP) and NEX-3N (16MP) and the 645D (Medium format) and NEX-3N (APS-C) feature totally different sensor measurements.

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The 645D was manufactured 4 years earlier than the NEX-3N which is quite a sizable gap as far as technology is concerned. Both of these cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony NEX-3N being a Rangefinder-style mirrorless camera.

Before we go through a in-depth comparison, below is a brief view of how the 645D scores against the NEX-3N when considering portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Pentax 645D and Sony Alpha NEX-3N. The entire galleries are provided at Pentax 645D Gallery and Sony NEX-3N Gallery.

For those who are intending to travel with your camera often, you're going to have to consider its weight and volume. The Pentax 645D comes with external measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) while the Sony NEX-3N has sizing of 110mm x 62mm x 35mm (4.3" x 2.4" x 1.4") and a weight of 269 grams (0.59 lbs).

Take a look at the Pentax 645D and Sony NEX-3N in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you are utilizing at the time. The following is the front view measurements comparison of the 645D compared to the NEX-3N.

Using dimensions and weight, the portability score of the 645D and NEX-3N is 50 and 89 respectively.

Sometimes, its difficult to see the gap between sensor dimensions simply by reading through specifications. The pic underneath might offer you a better sense of the sensor sizing in the 645D and NEX-3N.

To sum up, the 2 cameras posses different megapixels and different sensor dimensions. The 645D featuring a bigger sensor will make getting shallow DOF simpler and the Pentax 645D will resolve more detail due to its extra 24 Megapixels. Higher resolution will also help you crop shots somewhat more aggressively. The more aged 645D is going to be disadvantaged with regard to sensor technology.