An exceptional antique optical condenser lens housed within a heavy, solid bronze and brass cylindrical mount. This precision technical instrument features a thick, heavy biconvex glass lens of remarkable clarity, originally engineered to gather and concentrate light beams inside early 20th-century cinema projectors (frequently used in military barracks and theaters), magic lanterns, or vintage optical signaling systems. The metal barrel is detailed with a finely knurled textured rim along the edges for manual adjustments, showing a beautiful natural aged patina. An outstanding collector's piece for enthusiasts of cinematic history, historic militaria, or scientific instruments, also functioning beautifully as a distinctive industrial decor accent or historical paperweight.
• Diameter: 11.5 cm
• Thickness (Depth): 5.5 cm
(Una unidad disponible)