EntityQ503015· pop 11· linked from 15 articlesMangin mirrorSign in to savetype of concave spherical mirrorConnectionsopticsEntitynavyEntitylensEntityQ118398Entityspherical aberrationEntitysearchlightEntityheadlampEntitycurved mirrorEntitysightEntitycatadioptric systemEntityparabolic reflectorEntitycrown glassEntityhead-mounted displayEntitytriplet lensEntityLudwig SchupmannEntityCategoriesMirrors