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GLASS BK7 MENISCUS LENSES Download PDF document

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:

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

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.
 
NOTES!  
The edge thicknesses fare theoretical values not including chamfer.
Be sure to wear laser safety goggles when checking optical path and adjusting optical axis.
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