Optical beam kit

Includes

• 2 brackets with 2 lamps of 12 V, 24 W;
• 2 single and triple combination slotted plates;
• 2 slit boards;
• 2 protectors;
• 2 slot plate holders;
• 4 light barriersIn wood;
• 4 flat cylindrical lenses: +7 D;
• 2 flat cylindrical lenses: +10 D;
• 2 flat cylindrical lenses: +17 D;
• 2 flat cylindrical lenses: -17 D.