Sigma SD9 vs Sony A7R II

The following is a extensive assessment of the Sigma SD9 versus Sony A7R II, former is a Advanced DSLR while the latter is a Pro Mirrorless by rivals Sigma and Sony. There exists a noticeable gap between the resolutions of the SD9 (3MP) and A7R II (42MP) and the SD9 (APS-C) and A7R II (Full frame) use different sensor size.

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The SD9 was announced 13 years prior to the A7R II which is quite a sizable difference as far as technology is concerned. The two cameras come with different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony A7R II being a SLR-style mirrorless camera.

Before going through a comprehensive comparison, below is a brief overview of how the SD9 scores vs the A7R II with regards to portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Sigma SD9 & Sony Alpha A7R II. The whole galleries are provided at Sigma SD9 Gallery & Sony A7R II Gallery.

If you are aiming to travel with your camera often, you're going to have to factor its weight and measurements. The Sigma SD9 provides physical dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs) and the Sony A7R II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 625 grams (1.38 lbs).

Examine the Sigma SD9 versus Sony A7R II in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ based on the lens you select during that time. Below is the front view measurement comparison of the SD9 versus the A7R II.

Taking into consideration dimensions and weight, the portability grade of the SD9 and A7R II is 54 and 68 respectively.

More often than not, it is very tough to visualize the gap between sensor dimensions just by going over a spec sheet. The image here may provide you a stronger sense of the sensor sizes in the SD9 and A7R II.

As you can see, both the cameras posses different megapixel count and different sensor dimensions. The SD9 with its tinier sensor is going to make shooting shallow depth of field harder and the Sony A7R II will offer you greater detail with its extra 39MP. Higher resolution will also let you crop photographs somewhat more aggressively. The more aged SD9 is going to be behind in sensor tech.