Min. Order Reference FOB Price
1 Piece US$2.10-13.00 / Piece
Product Description
Convex-concave lenses, also know as meniscus lens due to its shape, can be either positive or negative depending on the relative radius of the two surfaces. A negative meniscus lens has a steeper concave surface and is thinner at the centre than at the periphery. Conversely, a positive meniscus lens ...