Meniscus Lenses D=50.00mm F=75.00mm Uncoated Ge | GU OPTICS
Meniscus Lenses D=50.00mm F=75.00mm Uncoated Ge

Meniscus Lenses D=50.00mm F=75.00mm Uncoated Ge

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Product No. 150054

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Dia 50.00mm
EFL 75.00mm
Coating Uncoated
Material Ge
BFL 71.60mm
R1 81.90mm
R2 122.80mm
CT 5.00mm
ET 3.50mm
Available Mount Ring 500003
Design Wavelength 10.6um
Diameter Tolerance +0.0/-0.1mm
Center Thickness Tolerance ±0.2mm
Focal Length Tolerance ±1%
Centering Tolerance <3arcmin
Surface Quality 40/20-60/40
Bevel 0.2mmX45°
Meniscus lens is a concave-convex lens, which has an outer convex surface and an inner concave surface. If the outward radius is greater than the inward radius, the lens has a positive focal length and can be used as a magnifying lens. Grand Unified Optics offers uncoated or IR2 AR coatings meniscus lenses. Germanium substrates are ideal for IR applications.
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