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Ecoptik
Meniscus Lens
Meniscus Lens

Meniscus Lens

Ecoptik (also known as BRD Optical) provides meniscus lens in both positive and negative focal lengths. These meniscus lenses are useful when used with another lenses to increase or decrease the focal length. This meniscus lens element configuration does not introduce any additional coma or spherical aberrations



Custom Positive/Negative Meniscus Lens Meniscus Lens
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Description Of Positive/Negative Meniscus Lens

Ecoptik (also known as BRD Optical) provides meniscus lens in both positive and negative focal lengths. On the aspect of shape, it can be divided into convex and concave meniscus lens. On the aspect of the effect, it can be divided into diverging and converging meniscus lens.

Specifications Of Positive/Negative Meniscus Lens


MaterialOptical glass/ Fused silica/ sapphire etc.
Diameter2mm~300mm
Diameter   tolerance±0.05mm(≤50mm)
±0.1mm(＞50mm)
Focal   length-50mm~-2000mm
Focal   length tolerance±0.2%（＜10mm）
±0.5%（＜10mm-1000mm）
±1%（＜＞1000mm）
Center   Thickness2mm~20mm
Surface   quality60/40， 40/20，   20/10
Surface   accuracyλ/2~λ/10@632.8nm，532nm
Clear   Aperture>85% dig diameter
Centration<3arc min~ 30arc sec
CoatingAs per customer’s request


MaterialDiameter
   (mm)		Convex Surface   Radius
   (mm)		Concave
   Surface Radius
   (mm)		Center   Thickness
   (mm)		Focal   Length
   (mm)
H-K9L74.6-4.60341.4
H-LAF3886.28-95.102.28.9
H-ZBAF589.7-19.722.2726
H-ZF52A812.05-9.504.2217
ZnSe8.611.22-50.581.48.7
H-ZF6299.911-38.552.113.8
H-ZF62910.59-13.377.6423.8
H-K9L105.19-500.006.210.1
JGS110.8027.69-7.283226.1
H-K9L1116.57-156.37335.5
H-LAF50A1213.176-132.743.318.7
H-ZK91211.57-48.932.8623.7
H-ZBAF211215.374-65.11327
H-ZK3138.088-21.23423.2
S-LAM71316.94393-170.002.524.9
H-ZLAF75A1413.804-51.242.420.1
H-ZF7LA1411.324-5.509.5449.3
H-K9L1410.36-14.62550.3
H-ZLAF681410.16-6.876.4282.2
H-ZF615119-18.953.8630.3
H-LAF3B1520.73-145.882.832.2
H-K9L159.26-18.163.532.3
H-ZLAF55A1528.847-293.95338.1
H-ZK315.215.3-231.902.827.67
LAF1015.524.66-163.592.736.52
H-LAF531612.823-33.574.825.4
H-ZLAF521618.67-67.51331.2
H-ZK61613.996-34.673.536.4
H-LAK41622.7-39.63474.8
H-ZLAF681611.251-7.744.878.1
ZK91711.695-11.70781.4
H-ZF131896.302-26.991.548.2
H-K9L1836.4-51.523.5222.45
H-LAF10L18.9821.38-32.363.669.8
H-ZK9A1913.895-29.053.639.4
ZK719.417.783-43.05347.29
H-LAF532016.482-55.46430.1
H-ZK102018.054-35.41553.3
H-ZLAF662021.099-28.09580.3
H-ZK72060.67-778.002.9106.8
H-BAK42217.497-114.524.736.7
H-LAK32221.04-39.813.854.7
H-ZBAF32238.9-498.902.763.8
H-K9L2272.44-1130.005149.5
H-BAK422.524.619-1735.00545
H-ZF7LA22.622.44-28.919.8874
H-LAF532316.788-36.22538
H-LAF532316.788-36.22538
BAF52332.8-219.10362.3
H-ZK123.446.48-176.064.56109.6
H-LAK5923.48102.33-194.982.5308.2
H-ZF7LA2417.819-30.301039.6
H-K9L2517.3-27.004.5580.3
H-K9L25.432.1-82.203.6100
JGS125.431-91.204100
H-K9L25.466.2-182.202.8200
JGS125.464.2-209.802.9200
H-K9L25.4100.9-288.202.5300
ZK925.522.96-89.264.448.59
N-SF62632.15-176.40443.2
H-LAK32626.79-127.944.244.4
H-K9L2623.93-331.70649.58
H-ZK112723.07-77.044.849.8
H-LAK12726.24-74.994.159.8
H-ZK102738.688-1541.90563.7
H-ZK102743.279-311.79580
H-ZK92821.82-83.355.546.07
H-ZBAF212837.865-862.873.554.7
H-LAF533018.75-52.247.535.9
H-K9L3018.8-37.955.965.7
ZK93223.99-42.85875.58
H-BAK43323.4-38.206.295.14
H-K9L3350.35-85.113.1231.74
H-ZF633.5213.8-46.032.9771.9
H-ZK983449-75.004.5213.7
H-ZBAF33538.15-212.351069.2
H-K9L3664.9-116.413.6277.48
H-ZBAF34052.2-2148.0012.181.3
H-K9L4045.71-62.373.5309.27
H-K9L4178.52-622.304.1173.57
H-K9L4165.77-111.943.7300.61
F24228.5-71.308.871.8
H-ZBAF204232.137-59.021482.8
H-QK3L4235.471-34.9514.1621
H-ZF643.251.2-71.284221.7
H-QK3L4437.026-239.30888.7
H-ZF64548.91-87.905136.7
H-K9L48.572.44-150.314.5265.57
H-ZK114932.81-104.2311.470.6
H-K9L50.581.75-145.884352.64
H-K9L58107.15-477.007265.1
F4591267.1-266.165544
H-K9L6039.72-142.4113.8102
H-K9L60.27466.37-178.4910.66198
H-K9L60.274122.987-424.5110.66331
H-ZF27465.851-121.349201
H-ZBAF2176157.04-306.976437
H-K9L81203.7-2773.009.96424.84
H-LAK7104181.59-320.3712567.4
H-K9L106110.1-257.8011.3362.4


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