Sell 226mm dome lens

Description

Dia:**6mm
surface quality:*0/*0
material:k9
coating
*Material BK7 or other optical materials
*Dimension Tolerance *0.0~*0.1mm
*Center Thickness +/*0.1mm
*Focal Length Tolerance+/*1%
*Clear Aperture >*0%
*Coating Optional

*Material BK7 or other optical materials
*Dimension Tolerance *0.0~*0.1mm
*Center Thickness +/*0.1mm
*Focal Length Tolerance+/*1%
*Surface Quality:*0/*0
*Surface Figure:λ/2 at **3nm on plano side
*Clear Aperture >*0%
*Chamfer 0.*5mm at *5 degree typical
*Coating Optional