Videos tagged with Hand Crank Operation

This video showcases a rare Carl Zeiss Jena Periscope Sight, serial number 4, discovered in a warehouse. The presenter demonstrates its mechanical articulation via a hand crank, revealing its scissor-like extension mechanism. Key features include dual rubber-guarded eyepieces and an identification plate confirming its manufacturer and unique serial number. The demonstration highlights the device's robust construction and manual operation, offering insight into vintage military optical equipment.