G2 lens Collimator Lens EFL4.02mm

Collimating lens is an instrument that converts light from each point in the aperture column into a parallel column of collimating light.Lens type depends on aberration requirements,For low requirements, simple lenses, such as flat convex or double convex lenses, maybe used and a larger relative aperture is allowed.High requirements,Achromatic lens will be use, the relative aperture is also appropriately reduced.Collimator lens is one of the mainly products in Sunday. We have standard ones and also accept customer-made. Sunday has collimator lens with single aspheric, doublet lenses, triplet lenses.