消色差透镜
Specifications:
Diameter Tolerance: + 0/-0.1 mm
Thickness Tolerance: ± 0.1 mm
Focal Length Tolerance: ± 1%
Surface Quality: 40-20 Scratch-Dig
Surface Flatness: λ/4 @633 nm
Centration: < 3 arc minutes
Clear Aperture: > 90%
Part No.
|
EFL (mm)
|
Dia
(mm) |
R1
(mm) |
R2
(mm) |
R3
(mm) |
Tc1
(mm) |
Tc2
(mm) |
Material
|
AC-10-5-4.4-D
|
10.0
|
5.0
|
6.55
|
-4.25
|
-15.42
|
2.5
|
1.9
|
N-BAK4/SF5
|
AC-15-12-8.5-D
|
15.0
|
12.0
|
9.48
|
-9.48
|
-56.89
|
6.5
|
2.0
|
N-LAK22/SF6
|
AC-20-12-10.5-D
|
20.0
|
12.0
|
12.88
|
-9.73
|
-48.87
|
8.0
|
2.5
|
N-LAK22/SF6
|
AC-25-12-7.0-D
|
25.0
|
12.0
|
17.8
|
-12.39
|
-47.75
|
4.5
|
2.5
|
N-LAK22/SF6
|
AC-40-12-7.0-D
|
40.0
|
12.0
|
22.86
|
-22.18
|
-256.78
|
4.5
|
2.5
|
N-LAK22/SF6
|
AC-100-25.4-6.5-D
|
100.0
|
25.4
|
62.75
|
-45.71
|
-128.23
|
4.0
|
2.5
|
N-BK7/SF5
|
AC-150-50.8-15-D
|
150.0
|
50.8
|
83.18
|
-71.12
|
-247.70
|
12.0
|
3.0
|
N-BK7/SF5
|
AC-145-75-24-D
|
145.0
|
75.0
|
96.235
|
129.686
|
-503.637
|
10.0
|
14.0
|
N-BK7/SF5
|
Part No. : AC-Focal Length-Diameter-Thickness(Tc)-D
|
Note: Other size and specification are available upon requirement. The main material : BK7, SF2, UVFS, CaF2, Ge, Si, ZnSe, etc...