明暗对照法 chiaroscuro ; clair-obscure

暗天体照相机 Faint Object Camera

暗筒日照计 Jordan sunshine recorder

暗场照明器 dark-ground illuminator

暗场照明 dark ground illumination ; [光] dark-field illumination ; dark field illumination

暗室照相机 dark room camera

照相暗盒 Camera Obscura

照相馆暗室 ArcSoft PhotoStudio Darkroom

暗视场照明法 dark-field illumination ; dark-field illumination intense method

倾斜暗场照明 oblique dark ground ilumination