These lenses are considerably reduced values of spherical aberration, coma and chromatic aberration. Best used to replace single components where performance must be improved.
Specifications
Design Wavelength
480.0nm,546.1nm,643.8nm
Diameter Tolerance
+0.0/-0.10mm
Paraxial Focal Length
+/-2%@546.1nm
Centration
3 arc minutes
Clear Aperture
>90%
Surface Figure
1/4 wave @632.8nm
Surface Quality
40-20 scratch and dig
Coating
None
Bevel
0.2mmX45 degree
China Optics Net
Positive Achromat Lenses
Product No.
F(mm)
Dia.(mm)
R1(mm)
R2=R3(mm)
R4(mm)
Tc1(mm)
Tc2(mm)
Fb(mm)
LensA Glass
LensB Glass
Add
100074
7.61
5.00
4.84
-3.00
-16.67
2.65
1.03
7.37
SK16
SF10
100075
20
6.0
12.02
-7.45
-28.97
2.92
1.30
18.1
BK7
F2
100076
25
6.0
15.37
-11.16
-32.17
2.30
0.90
24.0
BK7
SF5
100077
25
8.0
16.53
-10.88
-39.80
2.63
2.50
22.6
SK11
SF5
100078
20
12.0
12.66
-10.76
-41.06
3.79
1.81
18.19
BAF52
LAFN21
100079
40
12.7
21.28
-17.00
-89.95
3.00
0.80
37.8
BK7
F2
100080
50
12.7
26.49
-21.28
-114.29
2.50
1.00
48.0
BK7
F2
100081
60
12.7
36.31
-26.36
-77.40
3.50
1.50
57.0
BK7
SF5
100082
75
12.7
39.99
-31.99
-167.90
2.40
1.00
73.0
BK7
F2
100083
60
25.4
37.67
-28.58
-72.78
10.00
2.81
53.5
BK6
SF10
100084
80
25.4
42.46
-33.88
-183.65
5.80
2.60
75.1
BK7
F2
100085
100
25.4
52.79
-42.46
-228.60
4.50
2.00
96.0
BK7
F2
100086
150
25.4
79.80
-64.27
-340.40
4.80
2.00
146.1
BK7
F2
100087
200
25.4
107.15
-86.70
-448.70
5.50
2.30
195.7
BK7
F2
100088
250
25.4
133.97
-108.64
-562.30
5.70
2.40
245.6
BK7
F2
100089
300
25.4
164.40
-133.30
-642.70
4.80
2.00
297.0
BK7
F2
100090
100
26.5
64.04
-44.88
-128.72
4.80
2.00
96.5
SK11
SF8
100091
100
30.0
64.27
-45.08
-181.55
6.23
2.50
95.7
SK11
SF5
100092
140
30.0
93.22
-59.14
-156.67
6.52
2.51
136.0
BK7
SF5
100093
50
18.0
32.36
-22.49
-89.13
4.46
1.50
47.1
SK11
SF5
100094
40.5
13.0
26.04
-18.02
-72.03
3.33
1.30
38.1
SK11
SF5
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