Sigma SD1 vs Sony A330

Let's take a deeper look at the Sigma SD1 vs Sony A330, one is a Advanced DSLR and the other is a Entry-Level DSLR by rivals Sigma and Sony. There exists a big gap between the resolutions of the SD1 (15MP) and A330 (10MP) but they come with the exact same sensor measurements (APS-C).

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The SD1 was manufactured 17 months after the A330 making the cameras a generation away from one another. The two cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A330 being a Compact SLR camera.

Before delving straight into a in-depth comparison, below is a concise highlight of how the SD1 grades against the A330 in regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Sigma SD1 and Sony Alpha DSLR-A330. The entire galleries are viewable at Sigma SD1 Gallery and Sony A330 Gallery.

In case you're intending to carry around your camera regularly, you'll have to factor its weight and size. The Sigma SD1 enjoys outside measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs) and the Sony A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

Analyze the Sigma SD1 vs Sony A330 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing during that time. Following is the front view over all size comparison of the SD1 compared to the A330.

Considering dimensions and weight, the portability grade of the SD1 and A330 is 77 and 67 respectively.

Sometimes, it's hard to see the gap between sensor sizes merely by reading through specifications. The image below should provide you a clearer sense of the sensor measurements in the SD1 and A330.

Plainly, the two cameras posses the exact same sensor measurements but not the same resolution. You should anticipate the Sigma SD1 to resolve greater detail due to its extra 5 Megapixels. Greater resolution will also let you crop pics somewhat more aggressively. The fresher SD1 is going to have a benefit in sensor tech.