Sigma Quattro vs Sony A77

In this write-up, we are contrasting the Sigma Quattro and Sony A77, one is a Advanced Mirrorless and the other is a Advanced DSLR by companies Sigma and Sony. There is a big difference between the resolutions of the Quattro (29MP) and A77 (24MP) but they enjoy the same exact sensor dimensions (APS-C).

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The Quattro was brought out 4 years after the A77 which is quite a big gap as far as tech is concerned. Each of the cameras offer different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before getting through a in-depth comparison, below is a brief summary of how the Quattro grades versus the A77 with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Sigma sd Quattro and Sony SLT-A77. The entire galleries are available at Sigma Quattro Gallery and Sony A77 Gallery.

In case you're looking to carry around your camera, you'll have to consider its weight and volume. The Sigma Quattro has exterior dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") with a weight of 625 grams (1.38 lbs) whilst the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Examine the Sigma Quattro and Sony A77 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that moment. The following is the front view sizing comparison of the Quattro against the A77.

Considering size and weight, the portability score of the Quattro and A77 is 63 and 59 respectively.

Generally, it is very hard to imagine the gap between sensor sizes simply by reading through a spec sheet. The pic here might provide you a clearer sense of the sensor sizes in the Quattro and A77.

Clearly, the two cameras offer the same exact sensor sizing but different megapixels. You should expect to see the Sigma Quattro to resolve more detail having its extra 5MP. Greater resolution will allow you to crop images a little more aggressively. The newer Quattro should have an edge in sensor innovation.