Pentax K-1 vs Sony A390

On this page, we will be looking at the Pentax K-1 vs Sony A390, one being a Advanced DSLR and the latter is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a huge gap among the resolutions of the K-1 (36MP) and A390 (14MP) and the K-1 (Full frame) and A390 (APS-C) posses different sensor sizing.

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The K-1 was unveiled 5 years later than the A390 and that is a fairly significant gap as far as camera technology is concerned. Each of these cameras have different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony A390 being a Compact SLR camera.

Before delving into a full comparison, here is a simple summary of how the K-1 grades against the A390 with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax K-1 and Sony Alpha DSLR-A390. The full galleries are viewable at Pentax K-1 Gallery and Sony A390 Gallery.

When you are going to carry your camera often, you have to factor its weight and volume. The Pentax K-1 offers outer measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs) while the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") accompanied by a weight of 549 grams (1.21 lbs).

See the Pentax K-1 vs Sony A390 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are using during that time. The following is a front view scale comparison of the K-1 against the A390.

Using dimensions and weight, the portability rating of the K-1 and A390 is 55 and 66 respectively.

Quite often, it is very hard to imagine the contrast in sensor sizing simply by seeing specifications. The photograph underneath will offer you a stronger sense of the sensor sizing in the K-1 and A390.

Plainly, both cameras have different megapixel count and different sensor sizing. The K-1 having a bigger sensor is going to make shooting shallow depth of field simpler and the Pentax K-1 will show extra detail having an extra 22MP. Higher resolution will also allow you to crop pictures a bit more aggressively. The newer K-1 should have an advantage with regard to sensor technology.