Min. Order Reference FOB Price
200 Pieces US$10.00 / Piece
Product Description
N-BK7 Biconvex /Double Convex /Optical lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Convex lenses are most suitable where the object and image are on opposite sides of the lens, and are popular for many imaging applications. Optical window materials comparison: ...