Pentax K-01 vs Sony A390

Below is a comprehensive assessment of the Pentax K-01 vs Sony A390, one being a Entry-Level Mirrorless and the other is a Entry-Level DSLR by rivals Pentax and Sony. The sensor resolution of the K-01 (16MP) and the A390 (14MP) is very close and both cameras boast the same sensor size (APS-C).

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The K-01 was announced 23 months later than the A390 making them a generation apart from one another. Both of these cameras have different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before getting straight to a more detailed comparison, here is a quick overview of how the K-01 matches up against the A390 with respect to portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Pentax K-01 and Sony Alpha DSLR-A390. The whole galleries are viewable at Pentax K-01 Gallery and Sony A390 Gallery.

For anyone who is looking to lug around your camera regularly, you'll have to factor in its weight and volume. The Pentax K-01 provides outer measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") with a weight of 561 grams (1.24 lbs) whilst the Sony A390 has sizing of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs).

Contrast the Pentax K-01 vs Sony A390 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that time. Underneath is a front view sizing comparison of the K-01 and the A390.

Taking into consideration dimensions and weight, the portability grade of the K-01 and A390 is 76 and 66 respectively.

Normally, it is difficult to picture the contrast in sensor measurements simply by looking through specifications. The visual below might provide you a much better sense of the sensor sizing in the K-01 and A390.

Plainly, both of these cameras provide the same sensor dimensions but different MP. You should expect to see the Pentax K-01 to render greater detail with its extra 2 Megapixels. Greater resolution will allow you to crop images more aggressively. The fresher K-01 provides an advantage with regard to sensor technology.