Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Electricity & Magnetism_Circuits Five-pack of 3/4-inch plastic marbles
Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Electricity & Magnetism_Circuits Five-pack of 3/4-inch plastic marblesDouble concave glass lens at 50mm diameter and 100mm focal length, a thick 16. 5mm blank with optically true surfaces, the diverging curvature producing virtual upright images for refraction work.
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11