light leakage; leaking through of light
Refers to unwanted light passing through a gap, such as around curtains, doors, or camera seals.
カーテンの隙間から光漏れが気になる。
I'm bothered by the light leaking through the gap in the curtains.
このカメラは光漏れを防ぐ設計になっている。
This camera is designed to prevent light leakage.
Compound of 光 (ひかり, 'light') and 漏れ (もれ, 'leakage', noun form of 漏れる).