Bi Concave Lens

Bi Concave Lens
Model:SFH
Brand:SUNDAY
Origin:Made In China
Category:Electronics & Electricity / Electronic Instrument / Analysis Instrument
Label:Bi Concave Lens , optical lens , glass lens
Price: US $5 / pc
Min. Order:5 pc

Product Description

Bi Concave Lens

The double concave lenses with the negative focal length, these lenses are used in Beam Expanders, optics image, laser system and so on. 

 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 Double Convex Lens

 No.  EFL(mm)   Dia.(mm) R1=R2(mm)  Material   Tc(mm)  Te(mm)
 SD4A12   -20  12.70  21.08  BK7  2.00  3.96
 SD4A13   -30  12.70  31.48  BK7  2.00  3.29
 SD4A14  -40

 12.70

 41.48  BK7  2.00  2.97
 SD4A15  -50  12.70  52.24  BK7  2.00  2.78
 SD4A25  -50  25.40  52.17  BK7  2.00  5.10
 SD4A27  -75  25.40  78.09  BK7  2.00  4.10
 SD4A210  -100  25.40  104.00  BK7  2.00  3.60
 SD4A215  -150  25.40  156.00  BK7  2.00  3.00
 SD4A220  -200  25.40  207.66  BK7  2.00  2.80
 SD4A225   -250  25.40  259.49  BK7  2.00  2.60

  

     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

     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 Double Convex Lens

 No.  EFL(mm)   Dia.(mm) R1=R2(mm)  Material   Tc(mm)  Te(mm)
 SD4A12   -20  12.70  21.08  BK7  2.00  3.96
 SD4A13   -30  12.70  31.48  BK7  2.00  3.29
 SD4A14  -40

 12.70

 41.48  BK7  2.00  2.97
 SD4A15  -50  12.70  52.24  BK7  2.00  2.78
 SD4A25  -50  25.40  52.17  BK7  2.00  5.10
 SD4A27  -75  25.40  78.09  BK7  2.00  4.10
 SD4A210  -100  25.40  104.00  BK7  2.00  3.60
 SD4A215  -150  25.40  156.00  BK7  2.00  3.00
 SD4A220  -200  25.40  207.66  BK7  2.00  2.80
 SD4A225   -250  25.40  259.49  BK7  2.00  2.60

  

     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

Payment Terms:TT/LC/Wester union/other
Bi Concave Lens 1Bi Concave Lens 2Bi Concave Lens 3

Member Information

ChangChun Sunday Optoelectronics Co.,Ltd
Country/Region:Ji Lin - China
Business Nature:Trading Company
Phone:15104452660
Contact:andy (Foreign Trade Assist)
Last Online:28 Dec, 2017