Pentax K20D vs Sony A230

Lets take a closer look at the Pentax K20D and Sony A230, former is a Advanced DSLR while the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a substantial gap among the sensor resolutions of the K20D (15MP) and A230 (10MP) but both cameras offer the identical sensor sizes (APS-C).

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The K20D was launched 10 months earlier than the A230 which means that they are of a similar age. Each of the cameras feature different body design with the Pentax K20D being a Mid-size SLR camera and the Sony A230 being a Compact SLR camera.

Before going into a complete comparison, here is a simple highlight of how the K20D grades vs the A230 with respect to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Pentax K20D & Sony Alpha DSLR-A230. The complete galleries are viewable at Pentax K20D Gallery & Sony A230 Gallery.

For anybody who is planning to carry around your camera regularly, you'll have to factor in its weight and measurements. The Pentax K20D has got physical dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) while the Sony A230 has proportions of 128mm x 97mm x 68mm (5.0" x 3.8" x 2.7") and a weight of 490 grams (1.08 lbs).

Compare the Pentax K20D and Sony A230 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you are working with at that time. Underneath is a front view dimensions comparison of the K20D versus the A230.

Taking into consideration dimensions and weight, the portability rating of the K20D and A230 is 59 and 69 respectively.

Quite often, it can be hard to visualize the contrast in sensor sizes only by seeing a spec sheet. The picture here will help give you a better sense of the sensor sizes in the K20D and A230.

As you can see, both of these cameras feature the identical sensor size but different MP. You can expect to see the Pentax K20D to show greater detail utilizing its extra 5MP. Greater resolution will also make it easier to crop images way more aggressively. The more aged K20D will be disadvantaged in sensor innovation.