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No 9576 DonghuanRoad,
Changchun,130000,Jilin,China.
 


Plano Concave Lens
Plano Concave Lens
Plano Concave Lens
Plano concave lenses are mainly used for infinite conjugate applications, laser applications, image systems. with the negative focal length, plano concave lenses have a flat face and an concave face.
Sunday is manufacturing plano concave lenses with glass, fused silica, infrared crystal, sapphire materials. with the advance testing machines Sunday can make high precision lenses for customers. 
 
     Specifications 
 Dia.  N-BK7  
 Diameter Tol.  +0.00/-0.1mm
 Desigh Wavelength  546.10nm
 Design Index  1.5183
 Centration  <3arcmin
 Clear Aperture  >90%
 S/D  40-20 Scratch and dig
 Flatness  1/4lambda at 632.80nm
 Chamfer  0.25mmx45°
 Focal Length Tol.  +/-1%

     BK7 Standard Plano Convex Lens
 No.  EFL(mm)   Dia.(mm)  Radius(mm)  Material   Tc(mm)  Te(mm)
 SD3A61  -10  6.00  -5.18  BK7  2.00  2.95
 SD3A62  -20  6.00  -10.37  BK7  2.00  2.44
 SD3A63  -30

 6.00

 -15.56  BK7  2.00  2.29
 SD3A22  -20  12.70  -10.37  BK7  2.00  4.17
 SD3A23  -30  12.70  -15.56  BK7  2.00  3.40
 SD3A24  -40  12.70  -20.75  BK7  2.00  3.00
 SD3A25  -50  12.70  -25.94  BK7  2.00  2.79
 SD3A27  -75  12.70  -38.90  BK7  2.00  2.52
 SD3A20  -100  12.70  -51.88  BK7  2.00  2.39
 SD3A45  -50  25.40  -25.94  BK7  2.00  5.32
 SD3A47  -75  25.40  -38.90  BK7  2.00  4.13
 SD3A41  -100  25.40  -51.88  BK7  2.00  3.58
 SD3A415  -150  25.40  -77.80   BK7  2.00  3.04

 SD3A420

 -200  25.40  -103.75  BK7  2.00  2.78
 SD3A425  -250  25.40  -129.72  BK7  2.00  2.62
 SD3A510   -100  50.80  -51.88  BK7  2.00  8.64
 SD3A520  -200  50.80  -103.75  BK7  2.00  5.16
 SD3A530  -300  50.80  -155.60  BK7  2.00  4.00

 SD3A550

 -500  50.80  -259.40  BK7  2.00   3.25
  
     Manufacture Specifications

 Diameter

 0.5mm to 600mm

 Diameter Tolerance

 +0.00/-0.1 or customer size

 Material

 N-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc.

 Surface Quality

 80-50 to 10/5

 Flatness

 1 lambda to 1/10 lambda

 Thickness Tolerance

 +0.00/-0.05mm

 Focal Length Tolerance

 +/-1%

 Clear Aperture

 >90% of diameter

 Centration

 <3arcmin

 Coating

 Single Mag2,  Multiple Layers AR Coating
       A:350-650nm
       B:650-1050nm
       C:1050-1585nm
       D: Customer Design

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