Sigma DP3 Merrill vs Sony A33

Let's look more closely at the Sigma DP3 Merrill and Sony A33, one being a Large Sensor Compact and the other is a Entry-Level DSLR by brands Sigma and Sony. The image resolution of the DP3 Merrill (15MP) and the A33 (14MP) is very close and they feature the same exact sensor size (APS-C).

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The DP3 Merrill was introduced 2 years later than the A33 and that is a fairly sizable gap as far as camera technology is concerned. The two cameras offer different body type with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A33 being a Compact SLR camera.

Before getting in to a in depth comparison, below is a quick view of how the DP3 Merrill scores against the A33 with regard to portability, imaging, features and an overall grade.

Here is a sample of the gallery pics for Sigma DP3 Merrill and Sony SLT-A33. The whole galleries are viewable at Sigma DP3 Merrill Gallery and Sony A33 Gallery.

For anyone who is going to lug around your camera often, you will need to consider its weight and volume. The Sigma DP3 Merrill offers exterior measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") along with a weight of 330 grams (0.73 lbs) whilst the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Analyze the Sigma DP3 Merrill and Sony A33 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that moment. Here is the front view scale comparison of the DP3 Merrill versus the A33.

Using dimensions and weight, the portability score of the DP3 Merrill and A33 is 83 and 67 respectively.

More often than not, it is very difficult to visualise the gap in sensor measurements purely by viewing a spec sheet. The visual below should provide you a stronger sense of the sensor sizing in the DP3 Merrill and A33.

As you can see, each of the cameras enjoy the same exact sensor sizing but not the same resolution. You should expect to see the Sigma DP3 Merrill to render more detail using its extra 1MP. Greater resolution will also make it easier to crop pics far more aggressively. The younger DP3 Merrill will have an edge when it comes to sensor tech.