... CD, CD-R/RW, etc.).· DVD lens (DVD-Player, DVD-ROM, DVD-RAM, DVD-R/-RW, DVD + R / + RW,COMBO,DVD, etc. for Collimating Lens).· ... bringing together in nanometers is due to control of quality and stable production. Customized according to your system certainly mention applications, ... . In addition, ultra-high numerical aperture (NA), respond to requests for ultra-small size, are also working together and ...