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Nonstandard Double-Convex Lenses
Part No.

(mm)

tc
(mm)

r
(mm)
Material
(schott)
Focus
18.0
6.0
R1=R2=48.88
N-BK7
48.3
12.0
2.2
R1=R2=89.33
N-BK7
86.8
14.5
2.1
R1=R2=51.3
N-BK7
50.0
18.0
3.0
R1=29.0;R2=82.2
N-BK7
41.9
12.0
2.9
R1=R2=19.998
N-BK7
19.8
18.0
5.9
R1=R2=19.634
N-BK7
20.0
12.0
4.0
R1=R2=24.4
N-BK7
24.0
22.4
3.5
R1=R2=104.41
N-BK7
101.6
38.0
5.0
R1=221.8,R2=173.89
N-BK7
188.0
38.0
11.0
R1=38.52,R2=64.81
N-BK7
243.0
50.8
9.5
R1=R2=101.72
N-BK7
100.0
50.8
14.4
R1=R2=59.46
N-BK7
60.0
12.7
4.8
R1=R2=11.1
Fused SiliconJGS1
13.0
12.0
5.99
R1=12,R2=84
Fused SiliconJGS1
23.4
15.0
5.0
R1=10,R2=50
Fused SiliconJGS1
18.7
22.4
7.0
R1=R2=24.406
Fused SiliconJGS1
27.9
38.1
4.0
R1=R2=130.0
CaF2 UV Grade
149.6
7.0
1.7
R1=R2=12.809
N-LAK22
10.1
19.5
4.8
R1=47.77,R2=28.5
N-LAF21
23.3
15.0
2.4
R1=525.0,R2=35.9
N-LAF21
42.7
11.75
6.0
R1=R2=8.090
SF11
6.2
13.1
5.4
R1=R2=11.625
SF57
7.7
13.0
3.5

R1=20.88,R2=40.32

SK5
23.9
21.5
5.436
R1=28.633,R2=-23.8
SK4
22.0
25.0
4.5

R1=35.481,R2=86.596

LAF13
35.7
21.0
3.5

R1=817.52,R2=34.475

SK11
58.8
48.0
12.147
R1=43.64,R2=235.72
K509
72.3
140.0
20.0
R1=292.4,R2=268.5
N-BAK4
249.3
 Notes: Other sizes and coatings are available upon request!
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Nonstandard Double-Convex Lenses