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| Demonstration Lens Sets, Glass Item number DEMO50. Regularly stocked item. Usually ships within 3 to 5 business days. United Scientific |
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The set contains 6 lenses, one each of double convex, plano-convex, concavo-convex, double concave, plano-concave, and convexo-concave lens. Comes in are-usable cardboard storage box. (50 mm lense diameters, 150 mm approx. focal lengths) |
| Demonstration Lens Sets, Glass The set contains 6 lenses... grades 8 to 12 more |
save 50% $8.05 
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