American Educational 7 Piece Acrylic Lens and Prism Set Single Knob Controls Head Movement

Single Knob Controls Head Movement Through 3 Planes

Self-contained suction power and heating element

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Weight:250g

Maximum Input Voltage: 400 V (DC + AC peak)

American Educational 7 Piece Acrylic Lens and Prism Set Single Knob Controls Head MovementSet of seven lenses and prisms for demonstrating optical principles and effects for students Includes double concave, double convex, trapezoidal, plano convex, and various triangular shaped lenses Made of acrylic for optical clarity The American Educational 7 Piece Acrylic Lens and Prism Set has lenses of different shapes for demonstrating optical principles and effects for students. The set includes double concave, double convex, trapezoidal, plano