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Meniscus Lens, ZnSe, 50.8 mm, 7.5 in. Focal Length, 9.65 mm Edge, DURALENS
Meniscus Lens, ZnSe, 50.8 mm, 7.5 in. Focal Length, 9.65 mm Edge, DURALENS
Model: 60698-117
In Stock
Product Series Overview
ZnSe Meniscus LensesThe 60698-117 DURALENS™ coated Meniscus Infrared Lens is made of ZnSe material and is Bystronic® OEM compatible. It has a diameter of 2.0 in. (50.8 mm), edge thickness of 9.65 mm, and a focal length of 7.5 in. Zinc Selenide's low absorption coefficient makes it a perfect candidate for focusing applications using high power CO2 lasers. They are designed for high durability and accuracy and manufactured by automated CNC technology to assure complete uniformity. In most laser cutting machines, meniscus lenses are used because they produce a smaller focus diameter.
Specifications
- Lens ShapeMeniscus
- Diameter50.8 mm
- Lens MaterialZnSe
- Antireflection CoatingDURALENS™
- Effective Focal Length (EFL)7.5 in.
- Surface Accuracy, Irregularity0.5 Fringe @ 0.633 µm
- Surface Figure2 Fringes @ 0.633 µm
- Diameter Tolerance+0.0/-0.1 mm
- Edge Thickness (T<sub>e</sub>)9.65 mm
- Edge Thickness Tolerance±0.1 mm
- Clear Aperture≥90%
- Absorption<0.20%
- Transmission>99.3%
- Reflectance<0.2%
- OEM CompatibilityBystronic®