Lehr Experimentiergerät Praktische Optische Linse Doppelkonvexlinse
5,74 €
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. Take at ours. 40 Pcs Cable Glands Water Resistant Cable Gland Accessories Plastic Cable Gland.
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