Purchase Qty. Reference FOB Price
100-499 Pieces US$7.00
500-999 Pieces US$5.50
1,000+ Pieces US$2.50
Product Description
Product Description:A convex lens is a lens with a thicker central portion. Convex lenses are divided into biconvex, plano-convex, and concave-convex (or positive meniscus) forms. The thin convex lens has a converging effect, so it is also called a condensing lens.A transparent body with spherical ...