Pentax K-r vs Sony A390

On this page, we will be evaluating the Pentax K-r versus Sony A390, both Entry-Level DSLR cameras by companies Pentax and Sony. The image resolution of the K-r (12MP) and the A390 (14MP) is relatively close and both cameras boast the same sensor measurements (APS-C).

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The K-r was launched 8 months after the A390 which means that they are of a similar generation. Both of the cameras have the same body design (Compact SLR).

Before getting right into a in-depth comparison, here is a quick highlight of how the K-r grades against the A390 with regards to portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Pentax K-r and Sony Alpha DSLR-A390. The complete galleries are provided at Pentax K-r Gallery and Sony A390 Gallery.

For anyone who is looking to travel with your camera frequently, you will want to factor its weight and size. The Pentax K-r has outer dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs) and the Sony A390 has specifications of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Examine the Pentax K-r versus Sony A390 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you use during that time. Underneath is a front view sizing comparison of the K-r and the A390.

Using size and weight, the portability grade of the K-r and A390 is 67 and 66 respectively.

Usually, it can be tough to envision the difference in sensor dimensions merely by looking through technical specs. The image here should offer you a clearer sense of the sensor sizes in the K-r and A390.

As you have seen, the 2 cameras have the same sensor dimensions albeit not the same resolution. You should count on the Sony A390 to provide you with extra detail utilizing its extra 2 Megapixels. Higher resolution will also enable you to crop pictures a bit more aggressively. The more modern K-r will have an edge with regard to sensor tech.