Sigma SD9 vs Sony NEX-7

In this write-up, we are reviewing the Sigma SD9 vs Sony NEX-7, former being a Advanced DSLR while the other is a Advanced Mirrorless by brands Sigma and Sony. There exists a substantial gap between the image resolutions of the SD9 (3MP) and NEX-7 (24MP) but they feature the same exact sensor sizes (APS-C).

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The SD9 was manufactured 10 years before the NEX-7 and that is quite a big difference as far as technology is concerned. Both cameras offer different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before going straight into a in depth comparison, below is a simple introduction of how the SD9 grades against the NEX-7 when considering portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sigma SD9 & Sony Alpha NEX-7. The entire galleries are available at Sigma SD9 Gallery & Sony NEX-7 Gallery.

In case you're going to carry your camera regularly, you should consider its weight and volume. The Sigma SD9 comes with outside dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs) whilst the Sony NEX-7 has sizing of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") having a weight of 400 grams (0.88 lbs).

See the Sigma SD9 vs Sony NEX-7 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change based on the lens you have attached at that moment. Here is the front view size comparison of the SD9 and the NEX-7.

Considering dimensions and weight, the portability rating of the SD9 and NEX-7 is 54 and 84 respectively.

Sometimes, it can be difficult to see the gap between sensor sizing merely by looking at technical specs. The photograph below will help offer you a stronger sense of the sensor dimensions in the SD9 and NEX-7.

As you have seen, both of the cameras enjoy the same exact sensor sizing but not the same megapixels. You can anticipate the Sony NEX-7 to resolve more detail due to its extra 21 Megapixels. Greater resolution can also make it easier to crop pics far more aggressively. The older SD9 is going to be behind when it comes to sensor innovation.