Circular Cylindrical Concave









Material BK7, FS, MgF2, CaF2
Surface Figure To λ/4 @633nm
Surface Quality To 20-10 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:
CCPC 25.4 100 BK7 425-675 BBAR
Lens Type Diameter (mm) Radius (mm) Material Wavelength (nm) Coating Type
(Note: For uncoated lenses leave out the “Wavelength and Coating Type”)