Hot Selling Cheap Laser Protective Window Lens Znse Lens Germanium Lens

We provide color glass filters for a wide range of fields such as cameras, optical instruments, physics and chemistry, educational materials, industrial and medical, with spectral characteristics and size according to your requirements.

Sharp cut filters are longpass filters that cut off the wavelength light shorter than a specific wavelength as much as possible, while transmitting the longer wavelength light as much as possible, within a wavelength range of 350 nm to 800 nm.

Specification

Materials	BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc
Length	5~200mm
Width	5~200mm
Diameter	1.5~300mm
Center thickness tolerance	+/-0.01mm
Length tolerance	+/-0.01mm
Width tolerance	+/-0.01mm
Diameter tolerance	+/-0.0005mm
Surface accuracy	N=1~3
Irregularity	ΔN=0.1~0.5
Surface quality	10/5~60/40
Coating	Upon request
Application area	Imaging,Lighting,Laser etc