DXOMARK evaluated variable aperture systems since their introduction, developing dedicated testing methodologies and specialized lab setups to measure their true performance.

DXOMARK is a French tech company, an international leader in the quality assessment of cameras, screens/displays, and batteries for smartphones, and other professional & consumer electronics such as smartphones, DSLR and automotive cameras, lenses, wireless speakers, laptops, and more. As a private, independent company, DXOMARK's mission is to help manufacturers develop higher-quality products for the benefit of the end-user. To guide users in their choice, DXOMARK provides on its website - dxomark.com in English, Chinese and French - the largest database of quality evaluations of products in the form of an overall score. DXOMARK employs 120 people, including around 100 engineers, who have been carrying out several thousand tests every year for the past 10 years in our 17 in-house-developed technology laboratories, with over 150 editions distributed worldwide. Our teams of engineers and technicians are 100% dedicated to measuring and optimizing the quality of consumer and professional electronic products equipped with cameras, audio systems, batteries, and displays. Driven by a rigorous scientific approach, we provide testing and benchmarking services at all stages development, from initial specifications to the tuning of post-processing algorithms.