- Plano-concave Lenses
- 2016-11-05 04:20
- Plano-Concave Lens has a negative focal length and is typically used to cause a collimated beam to diverge as in a Galil
- Rod Lenses
- 2016-10-27 15:36
- Rod lenses is used in the fields of medical, electronic, information, agriculture, communication and etc. Specifications