Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
Photographisches Objektiv, bestehend aus zwei sammelnden Gliedern, deren Abstand größer ist als die Summe ihrer einander zugekehrten Vereinigungsweiten.