b270 optical glass lens

B270 Green Glass Optical Glass Lens 127mm with 3x 5x Magnifying Business Scope:Specialize in Spherical lens,Aspherical lens,Cylindar lens,Rod lens,Windows glass,optical Filter, Photochromic Invisible Bifocal Lenses optical prism,Reflection lens ,camera lenses ect,and provied optical design and ...

BK7 quartz B270 optical cemented high precision achromatic doublet convex lens for optical system Cemented lens The cemented lens is also called an achromatic lens, which is formed by cementing two single lens elements. The performance of multi-color (white light) imaging is much higher than that of ...

Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etcDiameter1.5~300mmRadiusR0.8mm-∞Focal length -30000mm~+30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance +/-1%Surface accuracy N=1~3Irregularity ΔN=0.1~0.5Decenter3''~1'...