Gold Index: 925
Changchun Jiffo Photoelectric Co.,Ltd. [China (Mainland)]
Business Type:Manufacturer City: Changchun Province/State: Jilin Country/Region: China (Mainland)
Bi Concave spherical lens
A Bi-concave lens is compose of two concave surface, has a negative focal length and are best used to diverge a converging beam.
2016-06-29
Plano convex spherical lens