Pentax KP vs Sony A390

On this page, we are reviewing the Pentax KP vs Sony A390, former being a Advanced DSLR while the other is a Entry-Level DSLR by companies Pentax and Sony. There exists a considerable gap between the image resolutions of the KP (24MP) and A390 (14MP) but both cameras offer the same sensor size (APS-C).

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The KP was brought out 6 years later than the A390 and that is quite a large difference as far as technology is concerned. Both the cameras have different body design with the Pentax KP being a Mid-size SLR camera and the Sony A390 being a Compact SLR camera.

Before diving right into a more detailed comparison, here is a simple overview of how the KP scores versus the A390 in the way of portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Pentax KP & Sony Alpha DSLR-A390. The entire galleries are viewable at Pentax KP Gallery & Sony A390 Gallery.

If you're aiming to carry your camera frequently, you'll need to take into account its weight and dimensions. The Pentax KP has got outer measurements of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") and a weight of 703 grams (1.55 lbs) while the Sony A390 has dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") along with a weight of 549 grams (1.21 lbs).

Check the Pentax KP vs Sony A390 in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you are using at that moment. The following is a front view physical size comparison of the KP against the A390.

Using dimensions and weight, the portability rating of the KP and A390 is 61 and 66 respectively.

Normally, it is tough to envision the difference between sensor sizing merely by reviewing technical specs. The graphic underneath will help give you a clearer sense of the sensor measurements in the KP and A390.

As you can tell, the two cameras have the same sensor dimensions but not the same MP. You can anticipate the Pentax KP to offer you greater detail having its extra 10 Megapixels. Greater resolution will allow you to crop photos a bit more aggressively. The younger KP will have an advantage with regard to sensor tech.