Sigma Quattro vs Sony A58

Below, we will be evaluating the Sigma Quattro vs Sony A58, one being a Advanced Mirrorless and the latter is a Entry-Level DSLR by brands Sigma and Sony. There is a sizeable difference among the sensor resolutions of the Quattro (29MP) and A58 (20MP) but they possess the exact same sensor size (APS-C).

Photography Glossary

The Quattro was launched 2 years later than the A58 and that is a fairly large gap as far as camera tech is concerned. Both cameras come with different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before going in to a full comparison, below is a quick view of how the Quattro matches up against the A58 with regard to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Sigma sd Quattro and Sony SLT-A58. The complete galleries are viewable at Sigma Quattro Gallery and Sony A58 Gallery.

For anybody who is looking to lug around your camera regularly, you'll have to think about its weight and size. The Sigma Quattro has outer measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") and a weight of 625 grams (1.38 lbs) whilst the Sony A58 has specifications of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

Check out the Sigma Quattro vs Sony A58 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at the time. Following is the front view proportions comparison of the Quattro compared to the A58.

Taking into consideration size and weight, the portability grade of the Quattro and A58 is 63 and 68 respectively.

Often, it is very difficult to visualise the difference in sensor measurements purely by checking out a spec sheet. The photograph below will give you a stronger sense of the sensor measurements in the Quattro and A58.

As you can see, both of the cameras posses the exact same sensor measurements albeit not the same megapixels. You should expect the Sigma Quattro to produce more detail utilizing its extra 9MP. Higher resolution will allow you to crop shots somewhat more aggressively. The younger Quattro is going to have an advantage when it comes to sensor technology.