Spherical Lens
TEMTO manufacture all kinds of spherical lens such as Plano-Convex Lens, Plano-Concave Lens, Double-Convex Lens, Double-Concave Lens, Meniscus Lens, Achromatic 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: φ0.6mm-φ300mm
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
For more information please visit our company website http://www.temto.com
