Spherical Lens

Temto manufacture all kinds of spherical lens such as Plano-Convex Lens, Plano-Concave Lens, Double-Convex Lens (Bi-Convex Lens), Double-Concave Lens (Bi-Concave Lens), Meniscus Lens (Positive Meniscus Lens and Negative Meniscus Lens), Achromatic Lens (Cemented Lens).

Specifications:
Material: BK7 grade A optical glass, UV grade fused silica etc.
Design Wavelength: 546.1nm
Design Index: 1.5183+/-0.0005 (BK7), 1.46008+/-0.00005 (fused silica)
Diameter: Φ2mm-φ 300mm
Diameter Tolerance: +0.00/-0.15mm (Typical), up to +/-0.01mm
Thickness Tolerance: +/-0.15mm (Typical), up to +/-0.01mm
Paraxial Focus Length Tolerance: +/-2% @546.1nm (Typical), up to +/-0.1% @546.1nm
Centration (Center Error): <3 arc minutes (Typical), up to 0.005mm
Clear Aperture >Central 85% of diameter
Power (fringe): <3 @632.8nm (Typical), up to <1 @632.8nm
Irregularity (fringe): <0.5 @632.8nm (Typical), up to <0.2 @632.8nm
Surface Quality: 60-40 S/D (Typical), up to 10-5 S/D
Protective Bevel
Coating: AR coating upon your request

Achromatic Lens (Cemented Lens)

Temto can provide Positive Achromatic Lens and Negative Achromatic Lens by two piece single lens (Doublet) or three piece single lens (Triplet).

Specifications:
Material: All optical glass per your requirements
Design Wavelength: 480.0nm, 546.1nm, 643.8nm
Diameter: Φ3mm-φ 130mm
Diameter Tolerance: +0.00/-0.15mm (Typical), up to +/-0.01mm
Thickness Tolerance: +/-0.15mm (Typical), up to +/-0.01mm
Paraxial Focus Length Tolerance: +/-2% @546.1nm (Typical), up to +/-0.5% @546.1nm
Centration (Center Error): <3 arc minutes (Typical), up to 0.005mm
Clear Aperture >Central 85% of diameter
Power (fringe): <3 @632.8nm (Typical), up to <1 @632.8nm
Irregularity (fringe): <0.5 @632.8nm (Typical), up to <0.2 @632.8nm
Surface Quality: 60-40 S/D (Typical), up to 10-5 S/D
Protective Bevel
Coating Single layer MgF2 broadband AR coating or upon your request

Note: For more information or for Cylindrical Lens (Cylinder Lens), Special Cylindrical Lenses, Ball Lens, Half Ball Lens, Rod Lens, Aspherical Lens