Sigma Quattro vs Sony A390

In this article, we will be comparing the Sigma Quattro versus Sony A390, one is a Advanced Mirrorless and the latter is a Entry-Level DSLR by competitors Sigma and Sony. There exists a sizeable gap among the resolutions of the Quattro (29MP) and A390 (14MP) but they possess the same exact sensor measurements (APS-C).

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The Quattro was launched 5 years after the A390 which is a fairly large gap as far as camera technology is concerned. Both the cameras offer different body type with the Sigma Quattro being a Rangefinder-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before going straight into a more detailed comparison, below is a simple introduction of how the Quattro grades against the A390 in regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Sigma sd Quattro and Sony Alpha DSLR-A390. The complete galleries are available at Sigma Quattro Gallery and Sony A390 Gallery.

For anybody who is looking to carry around your camera often, you are going to need to factor its weight and measurements. The Sigma Quattro has outer dimensions of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") along with a weight of 625 grams (1.38 lbs) while the Sony A390 has proportions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") along with a weight of 549 grams (1.21 lbs).

Check the Sigma Quattro versus Sony A390 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. Underneath is the front view dimension comparison of the Quattro against the A390.

Looking at dimensions and weight, the portability grade of the Quattro and A390 is 63 and 66 respectively.

Normally, its tough to visualise the gap in sensor sizes merely by going through specifications. The pic here will help give you a stronger sense of the sensor dimensions in the Quattro and A390.

To sum up, each of the cameras enjoy the same exact sensor sizing albeit not the same resolution. You should count on the Sigma Quattro to show greater detail utilizing its extra 15 Megapixels. Higher resolution can also allow you to crop photographs far more aggressively. The more modern Quattro is going to have an advantage when it comes to sensor technology.