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 Leng
Positive 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 45o
8.Surface Figure λ/4 632.8 nm
9.Surface Quality 40-20 scratch & dig
10.Design wavelength 632.8 nm
11.AR coatings None.
Lenses/Positive Cylindrical Lenses/ optical mouse lens
