Cylindrical Plano-Concave Lenses Material: N-BK7
Featured Product from CeNing Optics Co., Ltd.
Cylindrcial Plano-Concave Lenses (N-BK7)
Specifications
- Material: N-BK7
- Diameter tolerance: +/-0.1mm
- Design wavelength: 546.1nm
- Focal tolerance: +/-2%
- surface quality : 60-40 S/D
- Centration: 3 arcmin
- Surtace flatness: λ/4 @633nm
- Clear aperture: 90%
- Bevel: Protective bevel
