- collimating cone
- коллимирующий конус
Англо русский политехнический словарь. Академик.ру. 2011.
Англо русский политехнический словарь. Академик.ру. 2011.
camera cone — A component of an aerial camera that supports the entire lens assembly, including the filter. Collimating marks at the top of the cone define the focal plane of the camera. The cone is made of material having a low coefficient of thermal… … Aviation dictionary