Negative lens with the form most suited to producing diverging light or a virtual image.
Specifications
Material
BK7 grade A optical glass
Design Wavelength
546.1nm
Design Index
1.5183+/-0.0005
Diameter Tolerance
+0.0/-0.15mm
Paraxial Focal Length
+/-2%
Centration
3 arc minutes
Clear Aperture
>80%
Surface Figure
1/4 wave @632.8nm
Surface Quality
60-40 scratch and dig
Bevel
0.25X45 degree
Coating
None
China Optics Net
Bi Concave Lenses
Product No.
F(mm)
Dia.(mm)
R1=R2(mm)
Tc(mm)
Te(mm)
Fb(mm)
Add
100036
-8.0
6.0
8.62
2.0
3.0
-8.6
100037
-10.0
10.0
10.70
2.0
4.5
-10.6
100038
-15.0
12.7
15.88
2.0
4.6
-15.6
100039
-35.0
25.4
36.62
2.0
6.5
-35.7
100040
-500.0
25.4
518.64
2.0
2.3
-500.7
100041
-1000.0
25.4
1036.94
2.0
2.2
-1000.7
100042
-50.0
38.0
52.34
3.0
10.1
-51.0
100043
-100.0
38.0
104.17
3.0
6.5
-101.0
100044
-350.0
38.0
363.32
3.0
4.0
-351.0
100045
-700.0
38
726.13
3.0
3.5
-701.0
100046
-100.0
50.0
104.17
3.0
9.1
-101.0
100047
-200
50.0
207.83
3.0
6.0
-201.0
100048
-500
50.0
518.82
3.0
4.2
-501.0
100049
-800
50.0
829.73
3.0
3.8
-801.0
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