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HARTL Optical Disk System
Product Code: LC1111
For Demonstrating important principles of optics such as reflection by various shapes of mirrors, refraction through several types of lenses, total internal reflection and dispersion. The apparatus consists of a metallic disk about 30cm in diameter, graduated around the circumference in 360 degrees. A handle on the back can be used to rotate the disk in a vertical plane about a horizontal axis perpendicular to the plane and passing through the center of the disk.
**Discontinued Product** (1 Demo Unit Available)
The disk is partially shielded by a hood adjustable through 360 degrees. On the hood is a circular plate with slits to allow ray or rays of light to pass and fall on the optical elements. The hood also has a slot for placing red, green and blue filters.
The disk face is outlined for various optical elements so that the light coming through these slits strike them at correct angles. The disk is mounted on a heavy tripod base. A detachable lamp housing as a basic light source with 3-volt light bulb is included. Light source sends the parallel rays through the slit on the shielding screen. This set also includes acrylic optical elements (Lenses and Prisms, packed in velvet-lined case. Note: The optical elements are fixed on the metal disk by means of clamping screws. The light fixture is designed to accept alternative light sources such as flashlights and laser pointers.
This set does not include color filters and mirrors.