Prince Optical Works manufactures Magnifier with Bakelite Handle. Prince Optical Works also manufactures optical components for scientific, educational instruments, astronomical audio visual, medical, ophthalmic instruments etc. The Magnifier with Bakelite Handle is hand held and has spherical double convex glass lens mounted in chromium plated brass ring with metal knob. The Magnifier with Bakelite Handle is available in sizes ranging from 30mm to 100 mm.