軌道100cm長，附刻度尺，附台座。
配件：滑動支持架2支、蠟燭架1個、蠟燭1盒，光屏、凹透鏡、凸透鏡各1。
Explore how lenses affect light with the 4 experiments in this deluxe set. Students determine the focal length of concave and convex lenses, draw ray diagrams, construct a simple telescope, construct a simple Galilean telescope, and construct a simple microscope. Set includes lenses and meterstick optical bench.
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