Hochleistungs polierte praktische Physik konvexe Linse doppelte konvexe Linse
7,39 €
After professional processing, high polishing, and edging, a high-grade optical glass lens is obtained. Take at ours. - Convex lens effect: When light through a convex lens, it will deviate from the center line, and has the effect of looking far and converging.
Jetzt bei Ebay:
