 Laser Products
Optical Products
Crystal Products
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Plano-Concave Lenses
Main Specifications:
Materical
Diameter Tolerance
Paraxial Focal Length Tolerance
Centration
Surface Quality
Clear Aperture
Surface Figure
Chamfer |
BK7 or other optical glass, Fused Silica, CaF2, ZnSe
+0/-0.15mm
¡À2%
3 arc minutes
60-40 scratch and dig
>85%
¦Ë/4@632.8nm
<0.25 mm x 45¡ã |
BK7 Standard Products
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LEN2101 |
-20.0 |
10.0 |
10.37 |
2.0 |
3.2 |
-21.3 |
LEN2102 |
-15.0 |
12.7 |
7.78 |
2.0 |
5.3 |
-16.3 |
LEN2103 |
-20.0 |
12.7 |
10.37 |
2.0 |
4.1 |
-21.3 |
LEN2104 |
-25.0 |
12.7 |
12.96 |
2.0 |
3.7 |
-26.3 |
LEN2105 |
-30.0 |
12.7 |
15.55 |
2.0 |
3.4 |
-31.3 |
LEN2106 |
-50.0 |
12.7 |
25.92 |
2.0 |
2.8 |
-51.3 |
LEN2107 |
-100.0 |
12.7 |
51.83 |
2.0 |
2.3 |
-101.3 |
LEN2108 |
-75.0 |
15.0 |
38.87 |
2.0 |
2.7 |
-76.3 |
LEN2109 |
-40.0 |
21.0 |
20.73 |
2.0 |
4.7 |
-41.3 |
LEN2110 |
-25.0 |
25.0 |
12.968 |
2.0 |
10.9 |
-26.3 |
LEN2111 |
-35.0 |
25.4 |
18.14 |
2.0 |
7.2 |
-36.3 |
LEN2112 |
-50.0 |
25.4 |
25.92 |
2.0 |
5.3 |
-51.3 |
LEN2113 |
-75.0 |
25.4 |
38.87 |
2.0 |
4.1 |
-76.3 |
LEN2114 |
-100.0 |
25.4 |
51.83 |
2.0 |
3.6 |
-101.3 |
LEN2115 |
-125.0 |
25.4 |
64.79 |
2.0 |
3.3 |
-126.3 |
LEN2116 |
-150.0 |
25.4 |
77.75 |
2.0 |
3.0 |
-151.3 |
LEN2117 |
-175.0 |
25.4 |
90.70 |
2.0 |
2.8 |
-176.3 |
LEN2118 |
-200.0 |
25.4 |
103.66 |
2.0 |
2.7 |
-201.3 |
LEN2119 |
-300.0 |
25.4 |
155.49 |
2.0 |
2.5 |
-301.3 |
LEN2120 |
-500.0 |
25.4 |
259.15 |
2.0 |
2.3 |
-501.3 |
LEN2121 |
-80.0 |
30.0 |
41.46 |
2.0 |
4.8 |
-81.3 |
LEN2122 |
-50.0 |
38.0 |
25.92 |
3.0 |
11.3 |
-52.0 |
LEN2123 |
-100.0 |
38.0 |
51.83 |
3.0 |
6.6 |
-102.0 |
LEN2124 |
-150.0 |
38.0 |
77.75 |
3.0 |
5.5 |
-152.0 |
LEN2125 |
-200.0 |
38.0 |
103.66 |
3.0 |
4.8 |
-202.0 |
LEN2126 |
-50.0 |
40.0 |
25.92 |
2.0 |
11.2 |
-51.3 |
LEN2127 |
-100.0 |
50.0 |
51.83 |
3.0 |
9.4 |
-102.0 |
LEN2128 |
-200.0 |
50.0 |
103.66 |
3.0 |
6.1 |
-202.0 |
LEN2129 |
-400.0 |
50.0 |
207.32 |
3.0 |
4.5 |
-402.0 |
LEN2130 |
-500.0 |
50.0 |
259.15 |
3.0 |
4.2 |
-502.0 |
LEN2131 |
-800.0 |
50.0 |
414.64 |
3.0 |
3.8 |
-802.0 |
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