United Scientific Laser Optical Disk Set

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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 fo r 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 Show more