Pentax K-7 vs Sony A330

Following is a in depth assessment of the Pentax K-7 vs Sony A330, one is a Advanced DSLR and the latter is a Entry-Level DSLR by brands Pentax and Sony. There is a big difference among the sensor resolutions of the K-7 (15MP) and A330 (10MP) but they possess the same exact sensor measurements (APS-C).

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The K-7 was released 5 months after the A330 and they are of a similar generation. Both of these cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony A330 being a Compact SLR camera.

Before we go in to a more detailed comparison, below is a concise view of how the K-7 grades against the A330 with regard to portability, imaging, features and an overall score.

This is a preview of the gallery images for Pentax K-7 and Sony Alpha DSLR-A330. The complete galleries are provided at Pentax K-7 Gallery and Sony A330 Gallery.

For anyone who is aiming to carry around your camera, you will need to factor its weight and proportions. The Pentax K-7 comes with external measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs) whilst the Sony A330 has measurements of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

Examine the Pentax K-7 vs Sony A330 in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you have at the time. Here is the front view sizing comparison of the K-7 compared to the A330.

Using size and weight, the portability rating of the K-7 and A330 is 60 and 67 respectively.

Generally, it is hard to visualise the gap in sensor sizes just by looking through specifications. The picture underneath should give you a more clear sense of the sensor measurements in the K-7 and A330.

Plainly, the 2 cameras enjoy the same exact sensor sizing albeit not the same MP. You should expect the Pentax K-7 to provide you with more detail as a result of its extra 5 Megapixels. Higher resolution will also make it easier to crop pictures far more aggressively.