OLS infrared search-and-track system

The OLS (optiko-lokatsionnaya stantsiya, or optical locator station) is an imaging infrared search-and-track system that automatically detects and tracks air and surface targets, while also displaying an image of the target for pilot recognition. It is fitted to the MiG-35 fighter.

The OLS-EUM is an air-to-air system built into the nose of the MiG-35. It has a 320 x 256 pixel thermal imaging camera and a 640 x 480 pixel television camera. The optical path, with scanning mirror,...