Optical BK7 Glass Plano-convex Spherical Lens From China
Specification of our spherical lens as follow:
Material BK7 or other optical materials
Dimension Tolerance +0.0~-0.1mm
Center Thickness +/-0.2mm
Focal Length Tolerance +/-1%
Surface Quality S/D=60/40
Surface Figure λ/2@ 633nm on plano side
Clear Aperture >90%
Chamfer 0.25mm at 45degree typical
Coating Optional
|