Pentax K-3 II vs Sony A37

In this article, we are analyzing the Pentax K-3 II and Sony A37, former being a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a substantial gap among the sensor resolutions of the K-3 II (24MP) and A37 (16MP) but they come with the same exact sensor sizes (APS-C).

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The K-3 II was revealed 2 years later than the A37 and that is a fairly big difference as far as camera technology is concerned. Both the cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A37 being a Compact SLR camera.

Before going through a comprehensive comparison, below is a short highlight of how the K-3 II scores against the A37 with regard to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Pentax K-3 II & Sony SLT-A37. The full galleries are available at Pentax K-3 II Gallery & Sony A37 Gallery.

For those who are planning to lug around your camera often, you're going to have to take into account its weight and proportions. The Pentax K-3 II has external measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Sony A37 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 506 grams (1.12 lbs).

Examine the Pentax K-3 II and Sony A37 in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change based on the lens you have chosen at that moment. Below is the front view physical size comparison of the K-3 II and the A37.

Using dimensions and weight, the portability grade of the K-3 II and A37 is 59 and 67 respectively.

Sometimes, it is difficult to picture the difference in sensor measurements merely by looking through specifications. The visual below will offer you a much better sense of the sensor sizing in the K-3 II and A37.

Plainly, both of the cameras offer the same exact sensor sizing but different resolution. You can expect to see the Pentax K-3 II to render more detail because of its extra 8 Megapixels. Greater resolution will help you crop images a little more aggressively. The younger K-3 II should have an advantage with regard to sensor tech.