Factory supply glass bi concave lens,double concave lens - China concave lens - Exportimes
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Factory supply glass bi concave lens,double concave lens

FOB Reference Price / Min.Order Quantity : Get Latest Prices
Processing Time: 1 Days - 60 Days
Packaging Details: STANDARD EXPORTING PACKAGE

Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other

Payment Terms: L/C , T/T , other

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Basic Information

  • Shape
    concave
  • Structure
    Double Concave
  • Usage
    Optical
  • Material
    glass,BK-7,B270,Pyrex,quartz,fused silica,borofloat
  • Model Number
    RP-plca2500
  • Brand Name
    REALPOO
  • Place of Origin
    Jilin, China (Mainland)
  • coating
    AR,HR,optional coating

Brief description

Min.Order Quantity: 5 Piece/Pieces Supply Ability: 5000 Piece/Pieces per Month Port: FOB Changchun Payment Terms: L/C,T/T,Western Union

Detailed description



Packaging & Delivery

Packaging Details: customized boxes and protective packing
Delivery Detail: 10 days

Specifications

bi concave double concave lens
Size:2mm to 500mm
S/Q:40/20 or better
Flatness:1/2 Lambda
customized lens and stock lens

                                            bi concave lens or double concave lens 

 

The bi concave Lens or double concave lens is primarily used for diverging light and image reduction, as well as increasing system focal lengths and collimating converging light beams.

 

  • Have negative focal lengths
  • Diverge collimated incident light
  • Forms only virtual images which are seen through the lens
  • Reduce spherical aberration, coma and distortion at negative-infinite or near-infinite conjugate ratios
  • With the concave surface facing the longest conjugate distance

 

 

specifications requirement of concave lens:

  • Material:BK7 or other materials
  • Focal length:+/-1%
  • Center thickness tolerance:+/-0.01mm
  • Centration:1 arc minutes
  • Surface Figure:lambda/2 at 633nm on plano side
  • Surface quality:40/20 stratch/dig
  • Clear Apenture>95%
  • Chamfer Protective:0.25mm at 45 degree typical
  • Coating:optional

 

 

 

 

 

Whole Procedures of product processing                                                          

 

 

1.Cutting materials,

 

2.preparing toolings and models,

 

3.Coarse grinding,

 

4.Polishing surfaces,

 

5.Cleaning the lenses,

 

6.testing, 

 

7.coating,

 

8.testing Finish.

 

 

 

 

 

Changchun Realpoo Photoelectric Co., ltd a professional leading manufacture of optics in the world. Realpoo possess Experienced engineer,Professional production line,exellent testing machine as well as advanced inspection instrusment. With the advanteges,we offer optical products in the fileds of University laboratory, Industry, Scientific research, Medical treatment, Mechanical equipments, lasers and Construction industry and so on.
We are confident because we have good team work, strict quality control system, best after-sales service. "Superior quality, Best service."Realpoo will insist on the goal to guarantee your satisfaction!

Basic Information

  • Business Type:
  • Main Products:
    Optical Lens,Prism,Cylindrical Lens,Camera Lens,Laser
  • Location:
    Door 1, No. 4, Puqing Road, Chaoyang District, Changchun, Jilin, China (Mainland)
  • Total Employees:
    11 - 50 People
  • Year Established:
    2012

Trade Information

  • Top 3 Markets:
  • Accepted Payment Currency:
  • Nearest Port:
  • Average Lead Time:
  • Overseas Office:
    No

Company Pictures

Factory supply glass bi concave lens,double concave lens

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