optical dental reflector

Optical mirror reflector price front surface dental orthodontic reflector telescope mirror Specification Product Name reflective mirror Material Optical glass diameter 203mm focal length 750mm Thickness Tolerance ±0.05mm shape Spherical Surface Quality 40/20 Coating aluminum Edge thickness 18mm Net weight 1.47kg Materials BK7 or others optical glass. quartz. sapphire . Ge. Si- ZnSe· CaF2 etc. Diameter 1.5~300mm Radius R 0.8mm-∞ Focal length -30000mm~+ 30000mm Center thickness