Meniscus

Meniscus

 

 

 

 

 

 

 

SPECIFICATIONS

Material BK7, FS, FLINT, MgF2, CaF2, ZnSe, Ge, Si
Surface Figure To λ/10 @633nm
Surface Quality To 10-5 Research grade Laser Polish
Thickness Tolerance ± 0.25mm
Chamfer 0.35mm @ 45° Typical
Concentricity ≤ 0.2mm
Clear Aperture ≥ 85% of Central Dimension
Focal Length Tolerance ± 0.5%

 

When requesting a quotation, please include the following description and any special specifications:
MEN 25.4 50.0 -75.0 Fused Silica 248 AR
Lens Type Diameter (mm) Radius 1 (mm) Radius 2 (mm) Material Wavelength (nm) Coating Type
(Note: For uncoated lenses leave out the “Wavelength and Coating Type”)