Optical Concave Convex Lens Set Physical Optical Kit Equipment | |
Description: Optical Physical Experiment Kit Kids can experiments by this set of optical equipment Great tool kit for and school physical teaching The Light beam powered by 2 AAA batteries ( Included ) Material: glass and plastic Size Chart: Size( W x H): Approx. 23.5 x 16 x 5 cm/ 9.2 x 6..97 inch Package Includes: 1 Beam 1 x Triangular 1 x Convex lens 1 x Biconvex lens 1 x Negative meniscus lens 1 x Spherical lens 2 x Mirrors 1 x Water channel 3 x Chesses Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand |