Plano Concave Lens

平凹透镜

平凹透镜弯曲平行的输入光线,使它们在透镜的输出侧彼此发散,因此具有负焦距。平凹透镜的球差为负,可以用来平衡其他透镜产生的像差。与平凹透镜相似,曲率面通常面对最大的物距或无穷大的共轭面以减小球差。

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平凹透镜说明

BRD光学平凹透镜弯曲平行的输入光线,使它们在透镜的输出侧彼此发散,因此具有负焦距。平凹透镜的球差为负

平凹透镜规格


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)
Edge Thickness2mm~20mm
Surface quality60/40, 40/20,   20/10
Surface accuracyλ/2~λ/10@632.8nm,532nm, etc.
Clear Aperture>85% dig diameter
Centration<3arc min~ 30arc sec
Chamfer<0.2mm×45°
CoatingAs per customer’s request


Type No.

Diameter

(mm)

Center Thickness

(mm)

Edge Thickness

(mm)

Effective Focal Length

(mm)

PCA-6622.9-10
PCA-7.87.85.316.3-12.7
PCA-8823-15
PCA-101023.2-20
PCA-12.7-A12.724.1-20
PCA-12.7-B12.723.4-30
PCA-12.7-C12.722.8-50
PCA-12.7-D12.722.3-100
PCA-151522.7-75
PCA-212124.7-40-
PCA-22.422.423.2-100
PCA-25.4-B25.427.2-35
PCA-25.4-C25.424.3-70
PCA-25.4-D25.424.1-75
PCA-25.4-E25.423.6-100
PCA-25.4-F25.423-150
PCA-25.4-G25.422.7-200
PCA-25.4-H25.422.5-300
PCA-25.4-I25.422.3-500
PCA-25.4-J25.422.2-1000
PCA-303024.8-80
PCA-38-A38311.3-50
PCA-38-B3836.6-100
PCA-38-C3834.8-200
PCA-38-D3834-350
PCA-38-E3833.7-500
PCA-38-F3833.5-700
PCA-50-A50511-100
PCA-50-B5059.7-125
PCA-50-C5034.2-500
PCA-50-D5033.8-800
PCA-50.8-A50.83.513-75
PCA-50.8-B50.8410.7-100
PCA-50.8-C50.848.3-150
PCA-75-A75514.6-150
PCA-75-B75512-200
PCA-100-A100618.85-200
PCA-100-B100616-250
PCA-100-C1006.214.45-300
PCA-100-D1008.214.32-400
PCA-100-E100812.87-500
PCA-100-F1009.613.64-600
PCA-125-A1254.217.3-300
PCA-125-B1255.615.24-400
PCA-125-C125613.64-500
PCA-125-D125915.34-600
PCA-125-E1258.413.82-700
PCA-125-F1259.614.34-800
PCA-150-A150519.03-400
PCA-150-B1506.217.29-500
PCA-150-C1507.516.68-600
PCA-150-D150916.83-700
PCA-150-E150814.84-800
PCA-200-A2006.5726.63-500
PCA-200-B2007.824.31-600
PCA-200-C2009.223.25-700
PCA-200-D20010.522.73-800
PCA-200-E20011.822.64-900
PCA-200-F20013.122.83-1000
PCA-250-A250628.2-700
PCA-250-B2506.926.18-800
PCA-250-C250825.05-900
PCA-250-D2509.528.45-1000
PCA-250-E2501225.87-1100
PCA-250-F2501527.69-1200
PCA-300-A3001032.17-1000
PCA-300-B3001230.35-1200
PCA-300-C3001429.67-1400
PCA-300-D3001629.67-1600


MaterialDiameter
   (mm)
Concave Surface   Radius
   (mm)
Center   Thickness
   (mm)
Focal   Length
   (mm)
H-K9L3-3.053-5.9
H-K9L5-51.685-100
H-K9L9-10.81.4-20.9
JGS110-13.812-30.1
Corning 797810-6.1112-13.3
H-K9L11-11.6951-22.65
H-K9L12-42.631.5-82.5
Coring797812-272-58.9
Corning 797812-18.1552-39.6
H-K9L12-13.41.4-26
HWB85012-8.33-16
H-ZF7LA12-92-11.2
JGS112.7-6003-300
JGS112.7-5003-250
JGS112.7-33.6243.4-16.8
H-ZK613-7.2383-12.4
H-LAF314-8.62-11.6
H-K9L15-36.074.2-69.8
HWB85017-18.421.5-34.4
H-K9L19-8.52-16.5
ZF619-9.6152-12.7
H-K9L20-15003-2902
H-K9L20-10003-1935
H-K9L20-8003-1548
H-K9L20-5003-967
JGS120-33.3324-72.7
JGS120-31.6883-69.1
H-ZF7LA20-23.551.4-28.9
B27021.9-14.124.1-27
H-K9L22-272-52.2
Silica22.5-904.3-45
ZF224-19.84.1-29.43
H-K9L25-51.683.5-100
JGS125-45.842.5-100
JGS125-22.922-50
JGS125-22.893-50
JGS125.4-1503-75
JGS125.4-232-50
Silica25.4-38.13.18-19
H-ZF328-13.96414-19.5
H-ZF7LA30-12.7061.2-15.6
ZK230.3-82.62-141.56
H-ZF7LA32-18.78.05-23.2
H-K9L33-1552.5-299.92
H-K9L42-51.872-100
JGS142-34.783-75.9
H-ZF7LA44.98-35.1492.5-43.7
JGS146-70.963-155
H-ZF7LA51.98-35.1492-43.7
H-ZF7LA52-44.33.485-55
H-K9L58-60010-1161
ZBaF558-39.172-58.37
H-ZF1199-116.833.5-167
H-K9L100-200012-1000


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