Negative Cylindrical Lenses/Cylindrical Lenses / optical plano concave cylindrial lens

Specifications

Negative Cylindrical Lenses

1.Material                              BK7, FS, UVFS, CaF2, ZnSe, Si, Ge

2.Diameter Tolerance         +0.0, -0.15 mm

3.Thickness Tolerance          +/-1.0 mm

4.Focal Length Tolerance    +/- 3%

5.Centration                           <3 arc minutes

6.Clear Aperture                   >90%

7.Chamfer                               0.25 mm   45deg

9.Surface Figure                    L/4 632.8nm

10.Surface Quality                40-20 scratch & dig

11.Design wavelength         632.8nm

12.AR coatings                      None.