noun
starlight scope; night-vision device
A night-vision device that amplifies faint light, such as starlight, to make objects visible in the dark.
夜間の観察にスターライトスコープを使った。
I used a starlight scope for nighttime observation.
Variant with interpunct; less common but still seen.
暗視装置 is a broader term for any night-vision equipment, while スターライトスコープ specifically refers to a device that amplifies ambient light like starlight.
Loanword from English 'starlight scope'.