Sigma SD1 vs Sony A7 II

Lets look a bit more closely at the Sigma SD1 and Sony A7 II, former is a Advanced DSLR while the latter is a Pro Mirrorless by competitors Sigma and Sony. There is a noticeable difference between the image resolutions of the SD1 (15MP) and A7 II (24MP) and the SD1 (APS-C) and A7 II (Full frame) offer totally different sensor dimensions.

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The SD1 was introduced 5 years before the A7 II which is quite a sizable difference as far as tech is concerned. The two cameras feature different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A7 II being a SLR-style mirrorless camera.

Before diving into a more detailed comparison, here is a concise introduction of how the SD1 grades versus the A7 II in relation to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Sigma SD1 & Sony Alpha A7 II. The whole galleries are viewable at Sigma SD1 Gallery & Sony A7 II Gallery.

For anybody who is looking to carry around your camera regularly, you should take into account its weight and dimensions. The Sigma SD1 features exterior dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs) and the Sony A7 II has dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 599 grams (1.32 lbs).

Check the Sigma SD1 and Sony A7 II in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you are working with at that time. Here is a front view proportions comparison of the SD1 versus the A7 II.

Taking into account size and weight, the portability rating of the SD1 and A7 II is 77 and 69 respectively.

Usually, it can be tough to envision the difference between sensor sizes simply by reading through specs. The picture below should offer you a better sense of the sensor dimensions in the SD1 and A7 II.

All in all, both of those cameras feature different resolutions and different sensor sizes. The SD1 having a tinier sensor will make achieving shallow DOF more difficult and the Sony A7 II will give you extra detail using its extra 9 Megapixels. Higher resolution will also enable you to crop shots way more aggressively. The more aged SD1 is going to be disadvantaged in sensor tech.