Optical glass lens
We
could according to you requirement to make you require lenses
for you.
We
could make plano-convex lenses, plano-concave lenses, Bi-convex
lenses, Bi-concave lenses, Ball lenses, Cylindrical lenses,
Achromatic lneses, Meniscus lenses etc lenses. Please
find the following specication for the lenses we could
make.
High Precision Plano-Convex Lenses
Specifications:
Material: grade A optical glass or Fused
Silica
Diameter Tolerance: *0.0, *0.*5mm
Center Thickness Tolerance:
±0.*5mm
Surface Quality: ****0 scratch and
dig
Centration: +/*1 arc minutes
Surface Figure: lambda/4 at
**2.8nm
Clear Aperture: >*5% of
diameter
Bevel: 0.*5x*5deg
Coating: Upon requirement
Standard Plano-Convex Lenses
Specifications:
Material: grade A optical glass or Fused
Silica
Diameter Tolerance: *0.0, *0.*5mm
Center Thickness Tolerance:
+/*0.1mm
Surface Quality: ****0 scratch and
dig
Centration: +/*3 arc minutes
Surface Figure: lambda/2 at
**2.8nm
Clear Aperture: >*5% of
diameter
Bevel: 0.*5x*5deg
Coating: Upon requirement