|
| BK7 | Fused Silica |
BK7 Double-Concave Lenses
Specifications:
Material: BK7 grade A optical glass
Design Wavelength: 546.1nm
Design Index: 1.5183 ¡À0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: ¡À2%
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Figure: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm x 45¡ã
Part No. |
f(mm) |
f (mm) |
R1=R2(mm) |
tc(mm) |
te(mm) |
fb(mm) |
Price |
DCV0101 |
-8.0 |
6.0 |
8.62 |
2.0 |
3.0 |
-8.6 |
$10 |
DCV0102 |
-12.0 |
6.0 |
12.77 |
2.0 |
2.7 |
-12.6 |
$8 |
DCV0103 |
-18.0 |
6.0 |
18.99 |
2.0 |
2.5 |
-18.6 |
$8 |
DCV0207 |
-10.0 |
10.0 |
10.70 |
2.0 |
4.5 |
-10.6 |
$8 |
DCV0201 |
-15.0 |
12.7 |
15.88 |
2.0 |
4.6 |
-15.6 |
$8 |
DCV0202 |
-20.0 |
12.7 |
21.07 |
2.0 |
4.0 |
-20.6 |
$8 |
DCV0203 |
-25.0 |
12.7 |
26.25 |
2.0 |
3.6 |
-25.7 |
$8 |
DCV0204 |
-30.0 |
12.7 |
31.44 |
2.0 |
3.3 |
-30.7 |
$8 |
DCV0205 |
-40.0 |
12.7 |
41.80 |
2.0 |
3.0 |
-40.7 |
$8 |
DCV0206 |
-50.0 |
12.7 |
52.17 |
2.0 |
2.8 |
-50.7 |
$8 |
DCV0301 |
-35.0 |
25.4 |
36.62 |
2.0 |
6.5 |
-35.7 |
$9 |
DCV0302 |
-50.0 |
25.4 |
52.17 |
2.0 |
5.1 |
-50.7 |
$8 |
DCV0303 |
-75.0 |
25.4 |
78.09 |
2.0 |
4.1 |
-75.7 |
$8 |
DCV0304 |
-100.0 |
25.4 |
104.00 |
2.0 |
3.6 |
-100.7 |
$8 |
DCV0305 |
-125.0 |
25.4 |
129.92 |
2.0 |
3.2 |
-125.7 |
$8 |
DCV0306 |
-150.0 |
25.4 |
155.83 |
2.0 |
3.0 |
-150.7 |
$8 |
DCV0307 |
-175.0 |
25.4 |
181.75 |
2.0 |
2.9 |
-175.7 |
$8 |
DCV0308 |
-200.0 |
25.4 |
207.66 |
2.0 |
2.8 |
-200.7 |
$8 |
DCV0309 |
-250.0 |
25.4 |
259.49 |
2.0 |
2.6 |
-250.7 |
$8 |
DCV0310 |
-300.0 |
25.4 |
311.32 |
2.0 |
2.5 |
-300.7 |
$8 |
DCV0311 |
-500.0 |
25.4 |
518.64 |
2.0 |
2.3 |
-500.7 |
$8 |
DCV0312 |
-1000.0 |
25.4 |
1036.94 |
2.0 |
2.2 |
-1000.7 |
$8 |
DCV0401 |
-50.0 |
38.0 |
52.34 |
3.0 |
10.1 |
-51.0 |
$14 |
DCV0402 |
-100.0 |
38.0 |
104.17 |
3.0 |
6.5 |
-101.0 |
$12 |
DCV0403 |
-150.0 |
38.0 |
156.00 |
3.0 |
5.3 |
-151.0 |
$12 |
DCV0404 |
-200.0 |
38.0 |
207.83 |
3.0 |
4.7 |
-201.0 |
$12 |
DCV0405 |
-350.0 |
38.0 |
363.32 |
3.0 |
4.0 |
-351.0 |
$12 |
DCV0406 |
-500.0 |
38.0 |
518.81 |
3.0 |
3.7 |
-501.0 |
$12 |
DCV0407 |
-700.0 |
38.0 |
726.13 |
3.0 |
3.5 |
-701.0 |
$12 |
DCV0501 |
-100.0 |
50.0 |
104.17 |
3.0 |
9.1 |
-101.0 |
$18 |
DCV0502 |
-150.0 |
50.0 |
156.00 |
3.0 |
7.0 |
-151.0 |
$17 |
DCV0503 |
-200.0 |
50.0 |
207.83 |
3.0 |
6.0 |
-201.0 |
$17 |
DCV0504 |
-250.0 |
50.0 |
259.66 |
3.0 |
5.4 |
-251.0 |
$17 |
DCV0505 |
-400.0 |
50.0 |
415.15 |
3.0 |
4.5 |
-401.0 |
$17 |
DCV0506 |
-450.0 |
50.0 |
466.91 |
3.0 |
4.3 |
-451.0 |
$17 |
DCV0507 |
-500.0 |
50.0 |
518.82 |
3.0 |
4.2 |
-501.0 |
$17 |
DCV0508 |
-600.0 |
50.0 |
622.47 |
3.0 |
4.0 |
-601.0 |
$17 |
DCV0509 |
-800.0 |
50.0 |
829.73 |
3.0 |
3.8 |
-801.0 |
$17 |
Copyright 1998 CASIX, Inc. All rights reserved.
Last Revised: Jan 28, 1999
Web Page maintained by : Contact@CASIX.com
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