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Product Information Demonstrate important principles of optics such as reflection, refraction, total internal reflection and dispersion. The Hartl Optical Disk consists of a graduated 30 mm metallic disc that can be rotated 360 degrees and is partially shield by a fully-adjustable hood.On the hood, slits allow rays of light to pass through 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 light coming through the slits strikes them at correct angles. The disk is mounted on a heavy tripod base. Comes with lenses and clamping screws that store in a lined wooden box.  Tell a Friend about this item
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