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Achromatic Lens

 

Specifications:
Design Wavelength:-----------------------------480.0,546.1,643.8nm
Diameter Tolerance:---------------------------+0.0/-0.15mm
Focal Length Tolerance (mm):--------------+/-2%
Centration:-----------------------------------------<3 arc minutes
Clear Aperture:------------------------------------>85%
Surface Figure (per 25mm@632.8nm)----<1.5λ
IRR ( @632.8nm)----------------------------------<λ/4
Surface Quality:-------------------------------------60/40
Protected Bevel:-------------------------------------<0.25mmx45deg
Coating:-----------------------------------------------1/4 wave MgF2@550nm
 

  

Negative Achromatic Lenses

Part No.
f(mm)
dia (mm)
R1(mm)
R2=R3(mm)
R4(mm)
Tc1(mm)
Tc2(mm)
fb(mm)
Lens A
Lens B
ALN0201
-25.0
12.7
-15.6
13.09
44.16
3.0
2.67
-27.5
BK7
F2
ALN0202
-40.0
12.7
-24.45
17.97
66.6
3.0
2.34
-42.5
BK7
F2
ALN0301
-50.0
25.4
-31.19
24.89
85.31
3.0
4.22
-53.3
BK7
F2

Positive Achromatic Lens

Part No.
f(mm)
dia (mm)
R1(mm)
R2=R3
(mm)
R4(mm)
Tc1
(mm)
Tc2
(mm)
Fb
(mm)
Lens A
Lens B
ALP0101
15.0
6.0
8.831
-6.546
-19.77
2.71
1
13.066
BK7
SF5
ALP0102
20.0
6.0
12.356
-8.511
-24.38
2.6
1
18.288
BK7
SF5
ALP0103
25.0
6.0
15.704
-10.666
-29.99
2.3
1
23.455
BK7
SF5
ALP0104
30.0
6.0
18.88
-12.942
-36.48
1.9
1
28.695
BK7
SF5
ALP0105
25.0
8.0
15.596
-10.814
-30.48
2.9
1
23.125
BK7
SF5
ALP0106
30.0
8.0
18.88
-12.882
-36.22
2.7
1
28.277
BK7
SF5
ALP0107
20.0
10.0
12.3
-9.02
-25.23
3.6
1
17.625
BK7
SF5
ALP0201
25.0
12.0
15.346
-11.35
-31.92
4.2
1.3
22.286
BK7
SF5
ALP0202
25.0
12.7
15.596
-11.402
-31.05
4.3
1.3
22.251
BK7
SF5
ALP0203
30.0
12.7
18.535
-13.49
-37.84
4
1.3
27.36
BK7
SF5
ALP0204
40.0
12.7
25.23
-17.539
-48.75
3.4
1.3
37.778
BK7
SF5
ALP0205
50.0
12.7
31.26
-21.93
-62.37
3.1
1.3
47.992
BK7
SF5
ALP0206
60.0
12.7
37.33
-26.42
-75.86
2.8
1.3
58.127
BK7
SF5
ALP0207
75.0
12.7
46.77
-32.96
-94.62
2.6
1.3
73.227
BK7
SF5
ALP0208
65.0
20.0
40.09
-29.58
-83.59
6.3
2
60.868
BK7
SF5
ALP0301
60.0
25.4
37.33
-27.16
-75.86
7
2
55.565
BK7
SF5
ALP0302
120.0
25.4
73.28
-54.33
-159.96
4.2
2
117.103
BK7
SF5

 

Achromatic Lens


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