Sigma Quattro vs Sony A100

Let's take a closer look at the Sigma Quattro and Sony A100, former is a Advanced Mirrorless while the other is a Entry-Level DSLR by brands Sigma and Sony. There exists a noticeable gap among the image resolutions of the Quattro (29MP) and A100 (10MP) but both cameras have the identical sensor sizing (APS-C).

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The Quattro was launched 9 years after the A100 which is a fairly sizable difference as far as camera technology is concerned. Each of the cameras feature different body design with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before diving right into a detailed comparison, here is a quick overview of how the Quattro scores against the A100 in terms of portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Sigma sd Quattro & Sony Alpha DSLR-A100. The complete galleries are provided at Sigma Quattro Gallery & Sony A100 Gallery.

For those who are aiming to travel with your camera often, you will need to take into account its weight and dimensions. The Sigma Quattro features outside dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") accompanied by a weight of 625 grams (1.38 lbs) while the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Take a look at the Sigma Quattro and Sony A100 in our brand new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change based on the lens you are working with at that time. The following is a front view sizing comparison of the Quattro against the A100.

Looking at dimensions and weight, the portability grade of the Quattro and A100 is 63 and 64 respectively.

Sometimes, it is very tough to envision the contrast in sensor dimensions only by seeing technical specs. The picture below will provide you a greater sense of the sensor dimensions in the Quattro and A100.

As you have seen, both the cameras feature the identical sensor size but not the same megapixels. You can anticipate the Sigma Quattro to show extra detail utilizing its extra 19MP. Greater resolution will help you crop images way more aggressively. The newer Quattro will have an advantage in sensor tech.