Sigma SD9 vs Sony A7R

Let's examine more in depth at the Sigma SD9 vs Sony A7R, former is a Advanced DSLR while the latter is a Pro Mirrorless by rivals Sigma and Sony. There is a substantial difference among the sensor resolutions of the SD9 (3MP) and A7R (36MP) and the SD9 (APS-C) and A7R (Full frame) use different sensor sizes.

Photography Glossary

The SD9 was manufactured 12 years prior to the A7R which is a fairly big difference as far as camera tech is concerned. Both the cameras offer different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony A7R being a SLR-style mirrorless camera.

Before going through a comprehensive comparison, below is a concise view of how the SD9 matches up versus the A7R for portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Sigma SD9 & Sony Alpha A7R. The entire galleries are viewable at Sigma SD9 Gallery & Sony A7R Gallery.

When you are intending to travel with your camera often, you're going to have to factor in its weight and proportions. The Sigma SD9 features external dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs) while the Sony A7R has measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 465 grams (1.03 lbs).

Compare the Sigma SD9 vs Sony A7R in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you are employing at that moment. Here is the front view measurements comparison of the SD9 vs the A7R.

Taking into account size and weight, the portability score of the SD9 and A7R is 54 and 78 respectively.

Oftentimes, it's tough to imagine the gap in sensor dimensions simply by checking out specs. The image underneath should offer you a more clear sense of the sensor sizes in the SD9 and A7R.

All in all, both of those cameras offer different resolutions and different sensor dimensions. The SD9 due to its smaller sensor is going to make achieving shallower DOF harder and the Sony A7R will produce more detail due to its extra 33 Megapixels. Higher resolution will help you crop pictures a little more aggressively. The more aged SD9 will be behind in sensor tech.