Sigma Quattro H vs Sony A33

On this page, we will be evaluating the Sigma Quattro H and Sony A33, former is a Advanced Mirrorless while the latter is a Entry-Level DSLR by competitors Sigma and Sony. There exists a substantial gap between the sensor resolutions of the Quattro H (45MP) and A33 (14MP) and the Quattro H (APS-H) and A33 (APS-C) have totally different sensor dimensions.

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The Quattro H was revealed 5 years after the A33 which is quite a big difference as far as technology is concerned. Both the cameras have different body design with the Sigma Quattro H being a Rangefinder-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before getting straight to a detailed comparison, here is a simple overview of how the Quattro H scores versus the A33 in relation to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Sigma sd Quattro H & Sony SLT-A33. The full galleries are viewable at Sigma Quattro H Gallery & Sony A33 Gallery.

For anyone who is aiming to carry around your camera often, you are going to need to factor in its weight and dimensions. The Sigma Quattro H comes with outer measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") accompanied by a weight of n/a grams (0.00 lbs) and the Sony A33 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Compare the Sigma Quattro H and Sony A33 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are using at that time. Here is a front view dimensions comparison of the Quattro H vs the A33.

Looking at dimensions and weight, the portability score of the Quattro H and A33 is 78 and 67 respectively.

Sometimes, its tough to see the gap between sensor sizes only by checking technical specs. The pic below will provide you a stronger sense of the sensor measurements in the Quattro H and A33.

As you have seen, each of these cameras have different megapixel count and different sensor sizes. The Quattro H using its bigger sensor will make shooting shallow depth of field less difficult and the Sigma Quattro H will resolve greater detail because of its extra 31 Megapixels. Higher resolution will also help you crop pictures a bit more aggressively. The fresher Quattro H is going to have an edge in sensor innovation.