Pentax K-3 vs Sony NEX-7

In this article, we will be comparing the Pentax K-3 versus Sony NEX-7, one being a Advanced DSLR and the latter is a Advanced Mirrorless by companies Pentax and Sony. The sensor resolution of the K-3 (24MP) and the NEX-7 (24MP) is relatively close and they possess the same exact sensor sizes (APS-C).

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The K-3 was announced 2 years later than the NEX-7 and that is a fairly big gap as far as camera technology is concerned. Each of these cameras offer different body type with the Pentax K-3 being a Mid-size SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before delving straight into a thorough comparison, below is a concise overview of how the K-3 grades vs the NEX-7 with respect to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax K-3 and Sony Alpha NEX-7. The whole galleries are available at Pentax K-3 Gallery and Sony NEX-7 Gallery.

For those who are aiming to carry your camera frequently, you need to take into account its weight and volume. The Pentax K-3 has external measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) and the Sony NEX-7 has sizing of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") along with a weight of 400 grams (0.88 lbs).

Check out the Pentax K-3 versus Sony NEX-7 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you select during that time. Following is the front view measurement comparison of the K-3 against the NEX-7.

Using dimensions and weight, the portability grade of the K-3 and NEX-7 is 59 and 84 respectively.

Normally, it is difficult to visualize the difference in sensor sizing merely by viewing a spec sheet. The photograph here will help provide you a better sense of the sensor measurements in the K-3 and NEX-7.

Clearly, both of these cameras offer the same exact sensor sizing and the same megapixels so you should expect comparable quality of pictures but you might want to factor the production date of the cameras into account. The more recent K-3 should have an edge when it comes to sensor tech.