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Glass BK7 Meniscus lenses have one convex surface and one concave surface. They are used to change the focal length and effective f-number of another lens, without introducing additional spherical aberration or coma into the system.
Non-coated and AR coated products are available.
 Standard Specifications:
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Optical Material:
Diameter Tolerance:
Design Wavelength:
Design Index:
Paraxial Focal Length:
Centration:
Clear Aperture:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating: |
BK7 Grade A Optical Glass
+0.0, -0.1mm
546.10nm
1.5183±0.0005
±2%
3 arc minutes
>85%
60-40 scratch and dig
lambda/4 at 632.8nm
<0.25mm X 45°
available upon request |
Standard Glass BK7 Meniscus Lenses: Positve
Dia(mm) |
EFL(mm) |
R1(mm) |
R2(mm) |
Tc(mm) |
Te(mm) |
BFL(mm) |
Product Number |
25.4 |
100.0 |
32.1 |
82.2 |
3.6 |
2.0 |
96.2 |
UQT-MSBP1011 |
25.4 |
125.0 |
40.6 |
106.9 |
3.3 |
2.0 |
121.6 |
UQT-MSBP1012 |
25.4 |
150.0 |
49.1 |
131.6 |
3.1 |
2.0 |
146.8 |
UQT-MSBP1013 |
25.4 |
200.0 |
66.2 |
182.2 |
2.8 |
2.0 |
197.1 |
UQT-MSBP1014 |
25.4 |
250.0 |
83.4 |
233.9 |
2.6 |
2.0 |
247.3 |
UQT-MSBP1015 |
25.4 |
300.0 |
100.9 |
288.2 |
2.5 |
2.0 |
297.5 |
UQT-MSBP1016 |
25.4 |
400.0 |
136.5 |
402.4 |
2.4 |
2.0 |
397.6 |
UQT-MSBP1017 |
25.4 |
500.0 |
172.9 |
523.9 |
2.3 |
2.0 |
497.7 |
UQT-MSBP1018 |
25.4 |
1000.0 |
371.6 |
1330.7 |
2.2 |
2.0 |
998.0 |
UQT-MSBP1019 |
50.8 |
100.0 |
30.3 |
65.8 |
9.7 |
1.1 |
89.1 |
UQT-MSBP1020 |
50.8 |
125.0 |
39.2 |
92.9 |
8.2 |
2.4 |
116.1 |
UQT-MSBP1021 |
50.8 |
150.0 |
47.9 |
119.3 |
7.3 |
2.7 |
142.2 |
UQT-MSBP1022 |
50.8 |
200.0 |
65.2 |
171.6 |
6.2 |
2.9 |
193.6 |
UQT-MSBP1023 |
50.8 |
250.0 |
82.5 |
224.7 |
5.5 |
3.0 |
244.3 |
UQT-MSBP1024 |
50.8 |
300.0 |
100.1 |
279.1 |
5.1 |
3.0 |
294.8 |
UQT-MSBP1025 |
50.8 |
400.0 |
135.8 |
393.4 |
5.0 |
3.4 |
395.0 |
UQT-MSBP1026 |
50.8 |
500.0 |
172.3 |
515.7 |
5.0 |
3.7 |
495.1 |
UQT-MSBP1027 |
50.8 |
1000.0 |
371.6 |
1326.3 |
5.0 |
4.4 |
995.7 |
UQT-MSBP1028 |
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Standard BK7 Meniscus Lenses:
Negative
Dia(mm) |
EFL(mm) |
R1(mm) |
R2(mm) |
Tc(mm) |
Te(mm) |
BFL(mm) |
Product Number |
25.4 |
-100.0 |
100.0 |
33.7 |
3.0 |
4.7 |
-99.0 |
UQT-MSBP2011 |
25.4 |
-125.0 |
100.0 |
38.8 |
3.0 |
4.3 |
-123.7 |
UQT-MSBP2012 |
25.4 |
-150.0 |
100.0 |
43.1 |
3.0 |
4.1 |
-148.5 |
UQT-MSBP2013 |
25.4 |
-200.0 |
100.0 |
50.2 |
3.0 |
3.8 |
-198.0 |
UQT-MSBP2014 |
25.4 |
-250.0 |
100.0 |
55.7 |
3.0 |
3.7 |
-247.5 |
UQT-MSBP2015 |
25.4 |
-300.0 |
250.0 |
95.1 |
3.0 |
3.5 |
-298.8 |
UQT-MSBP2016 |
25.4 |
-400.0 |
250.0 |
112.5 |
3.0 |
3.4 |
-398.4 |
UQT-MSBP2017 |
25.4 |
-500.0 |
250.0 |
126.3 |
3.0 |
3.3 |
-498.0 |
UQT-MSBP2018 |
25.4 |
-1000.0 |
500.0 |
253.2 |
3.0 |
3.2 |
-998.0 |
UQT-MSBP2019 |
50.8 |
-100.0 |
200.0 |
40.6 |
5.0 |
12.3 |
-99.2 |
UQT-MSBP2020 |
50.8 |
-125.0 |
200.0 |
48.3 |
5.0 |
10.6 |
-123.9 |
UQT-MSBP2021 |
50.8 |
-150.0 |
200.0 |
55.3 |
5.5 |
9.6 |
-148.7 |
UQT-MSBP2022 |
50.8 |
-200.0 |
200.0 |
67.4 |
5.0 |
8.4 |
-198.3 |
UQT-MSBP2023 |
50.8 |
-250.0 |
200.0 |
77.7 |
5.0 |
7.7 |
-247.9 |
UQT-MSBP2024 |
50.8 |
-300.0 |
300.0 |
101.4 |
5.0 |
7.2 |
-298.3 |
UQT-MSBP2025 |
50.8 |
-400.0 |
300.0 |
121.5 |
5.0 |
6.6 |
-397.7 |
UQT-MSBP2026 |
50.8 |
-500.0 |
300.0 |
137.8 |
5.0 |
6.3 |
-497.2 |
UQT-MSBP2027 |
50.8 |
-1000.0 |
500.0 |
252.9 |
5.0 |
5.6 |
-996.7 |
UQT-MSBP2028 |
Please Contact ultiQuest for other dimensions in prototype and production quantities.
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| NOTES! |
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The edge thicknesses fare theoretical values not including chamfer. |
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Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. |
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