Pentax K-30 vs Sony A55

Let's examine more closely at the Pentax K-30 vs Sony A55, former being a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. The image resolution of the K-30 (16MP) and the A55 (16MP) is fairly well matched and they feature the exact same sensor sizes (APS-C).

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The K-30 was unveiled 2 years later than the A55 and that is quite a significant difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax K-30 being a Mid-size SLR camera and the Sony A55 being a Compact SLR camera.

Before we go in to a thorough comparison, below is a concise view of how the K-30 matches up against the A55 with regard to portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Pentax K-30 & Sony SLT-A55. The full galleries are available at Pentax K-30 Gallery & Sony A55 Gallery.

If you're going to lug around your camera, you will need to think about its weight and volume. The Pentax K-30 features exterior measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") and a weight of 650 grams (1.43 lbs) and the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Check the Pentax K-30 vs Sony A55 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you have attached at the time. Underneath is the front view measurements comparison of the K-30 versus the A55.

Looking at dimensions and weight, the portability rating of the K-30 and A55 is 63 and 67 respectively.

Sometimes, it is very difficult to see the contrast between sensor measurements simply by checking a spec sheet. The graphic below will provide you a stronger sense of the sensor measurements in the K-30 and A55.

As you can see, both the cameras have got the exact same sensor measurements and the identical megapixels and you can expect similar quality of files although you would want to take the launch date of the products into consideration. The more modern K-30 will have an advantage with regard to sensor tech.