Calcium Fluoride Bi-concave Spherical Lenses
Size and coating of the lenses can be customized according to users’ needs
Material:Calcium Fluoride
Design Wavelength:587.6nm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8nm
Surface Quality:80-50
Centration:<3'
Clear Aperture:>80%
Bevelling :<0.2×45°
Coating:IR AR Coating 3-5μm
Model
|
Dia(mm)
|
EFL(mm)
|
R1=R2(mm)
|
BFL(mm)
|
Tc(mm)
|
Te(mm)
|
04D1215
|
12.70
|
-15.00
|
-13.38
|
-15.85
|
2.50
|
5.70
|
04D1225
|
12.70
|
-25.00
|
-22.14
|
-26.03
|
3.00
|
4.90
|
04D2530
|
25.40
|
-30.00
|
-26.40
|
-30.86
|
2.50
|
9.00
|
04D2550
|
25.40
|
-50.00
|
-43.83
|
-51.03
|
3.00
|
6.80
|