Sigma Quattro vs Sony A850

Its time to look a bit more closely at the Sigma Quattro versus Sony A850, one is a Advanced Mirrorless and the latter is a Advanced DSLR by rivals Sigma and Sony. The sensor resolution of the Quattro (29MP) and the A850 (25MP) is pretty well matched but the Quattro (APS-C) and A850 (Full frame) possess totally different sensor sizing.

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The Quattro was brought out 5 years after the A850 which is quite a serious gap as far as tech is concerned. Both the cameras come with different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before getting in to a in depth comparison, below is a concise summation of how the Quattro scores versus the A850 when it comes to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sigma sd Quattro and Sony Alpha DSLR-A850. The entire galleries are provided at Sigma Quattro Gallery and Sony A850 Gallery.

When you are planning to travel with your camera regularly, you'll have to think about its weight and proportions. The Sigma Quattro enjoys outer measurements of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") having a weight of 625 grams (1.38 lbs) and the Sony A850 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Contrast the Sigma Quattro versus Sony A850 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at the time. Following is the front view physical size comparison of the Quattro against the A850.

Using size and weight, the portability grade of the Quattro and A850 is 63 and 54 respectively.

Generally, it is very difficult to visualise the gap between sensor dimensions only by reading through specs. The pic here will help provide you a much better sense of the sensor measurements in the Quattro and A850.

All in all, each of the cameras posses different resolutions and different sensor dimensions. The Quattro featuring a tinier sensor will make achieving bokeh tougher and the Sigma Quattro will give more detail having its extra 4MP. Higher resolution can also let you crop photographs somewhat more aggressively. The fresher Quattro will have an advantage with regard to sensor technology.