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Personne àcontacter Ms. rebecca
ShenZhen Street 1-1, Changchun, Jilin
Achromatic Lens is an achromatic consists of a positive low-index Crown Glass lens element cemented to a negative high-index Flint Glass lens element. Specification of our achromatic lens as follow: *Material:BK7 and ZF2(or according to your request) *Dia.:*0/*0.*5 *Center thickness tolerance:+/*0.1 *Surface quality: ****0 Scrath/Dig *Surface figure:0.**0.2 *Centration < 3arc min *Chamfer:0.**0.*5**5 degrees *Design wavelength:**6.1mm, **7.6mm, **6.3mm (the parameter is demision of nomal lens, so specification will be changed according to different demision and material)
