noun which may take the genitive case particle 'no'
mirrorless
Used attributively to describe cameras that lack a reflex mirror, as in ミラーレスカメラ (mirrorless camera).
Mirrorless cameras are popular these days.
He bought a mirrorless interchangeable-lens camera.
Borrowed from English 'mirrorless', referring to the absence of a reflex mirror in this type of camera.