lens cap
lens cap · lens caps
The detachable cap that protects the camera lens when the camera is not in useThe detachable cap that protects the camera lens when the camera is not in use.
Meaning
1 sensesThe detachable cap that protects the camera lens when the camera is not in use.
cap used to keep lens free of dust when not in use
Translations
2 languagesOrigin
From lens + cap.From lens + cap.
Wiktionary, CC BY-SA 4.0 · source