We supply optical lens for optical instrument.Main optical lenses include optical cylindrical lens,optical spherical lens,optical aspherical lens,optical pri***,optical filter lens,optical grating,optical windows,optical mirror,optical components,camera lens,fisheye lens,wide angle lens,telephoto lens,projector lens,adapter ring,adapter tube,custom lens,OEM etc..
Specification of our optical lens as follow:
*Material BK7 or other optical materials
*Dimension Tolerance +0.0 -- -0.1mm
*Center Thickness +/-0.1mm
*Focal Length Tolerance+/-1%
*Surface Quality:20/10
*Surface Figure lambda/2 at 633nm on plano side
*Clear Aperture >90%
*Chamfer 0.25mm at 45 degree typical
*Coating Optional