United Scientific Laser Optical Disk Set

This is an excellent and economical set for introductory ray optics. The laser ray box projects one, three, or five parallel bright beams and is equipped with a momentary switch for safety. A vinyl template with a degree circle and a linear scale forms the optical disk, and the set includes seven clear acrylic optical elements and a mirror with adjustable curvature for investigating refraction, lenses, prisms and mirrors. The bottoms of the acrylic elements are frosted to show the ray paths inside them. The set also includes a manual and storage box. Please note: This product emits laser light. Max. output power<1mW per beam. Wavelength 650nm. Class IIIa laser product. Contents:Wall-mount Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Laser Ray Box (1, 3, or 5 rays) . . . . . . . . . . . . . . . . . . . . . . . . .1Parallel-sided Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Trapezoidal Prism . . . . . . . . . . . . . . . . .