Sigma SD10 vs Sony A7R

Following is a in-depth assessment of the Sigma SD10 versus Sony A7R, one is a Advanced DSLR and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There exists a huge gap among the resolutions of the SD10 (3MP) and A7R (36MP) and the SD10 (APS-C) and A7R (Full frame) enjoy totally different sensor sizes.

Photography Glossary

The SD10 was announced 11 years earlier than the A7R which is a fairly significant gap as far as camera technology is concerned. Each of these cameras come with different body type with the Sigma SD10 being a Mid-size SLR camera and the Sony A7R being a SLR-style mirrorless camera.

Before getting straight into a step-by-step comparison, below is a simple summation of how the SD10 matches up vs the A7R with regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Sigma SD10 and Sony Alpha A7R. The whole galleries are viewable at Sigma SD10 Gallery and Sony A7R Gallery.

For anybody who is looking to carry around your camera, you will have to think about its weight and proportions. The Sigma SD10 enjoys physical measurements 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 A7R has measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 465 grams (1.03 lbs).

Check the Sigma SD10 versus Sony A7R in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using during that time. Here is the front view dimensions comparison of the SD10 versus the A7R.

Using dimensions and weight, the portability score of the SD10 and A7R is 54 and 78 respectively.

Typically, its hard to visualise the contrast in sensor sizes merely by seeing a spec sheet. The picture underneath may provide you a much better sense of the sensor sizing in the SD10 and A7R.

As you can see, both of those cameras posses different megapixel count and different sensor sizes. The SD10 using its smaller sensor will make achieving shallow DOF trickier and the Sony A7R will show extra detail with its extra 33MP. Greater resolution can also let you crop photos somewhat more aggressively. The more aged SD10 will be disadvantaged in sensor tech.