creatoroptics
Optics, Optical components, Crystals

New Products        RFQ        News       Contact Us

Tel: 86 25 83427907   Fax: 86 25 83426285

E-mail: sales@creatoroptics.com

circle  Home circle About Us
circle Products
circle Order circle Contact Us

Products List
     
  arrow Windows  
      arrowRound  
      arrowSquare  
      arrowCuboid  
  arrow Lenses  
      arrowSingle  
      arrowComplex  
      arrowOther  
  arrow Prisms  
      arrowRight Angle  
      arrowPenta  
      arrowCorner Cube  
  arrow Filters  
  arrow Mirrors  
  arrow Germanium  
  arrow Sapphire  
  arrow Silicon  
  arrow  IPL  
  arrow Coating  
  arrow Materials  
  arrow Other Products  

 
arrowAbout Us  
arrowOrder  
arrowContact Us  
   


 spie

 opticsorg

 iso

rohs 


 

 


line

Home > Products > Lenses > Single > Meniscus Lens

Meniscus / Crescent Lens (Concave-Convex)


    Crescent-lens

    The Meniscus / Crescent lens has concave-convex spherical polished surfaces. If these meniscus / crescent lenses are used in combination with other components, it is possible the focal length of assembly, without significantly increasing the axial aberrations. These lenses are employed to greatest advantage to they are used to shorten the length the focal length of a doublet or a plano-convex lens already working at an infinite conjugate ratio.


    Cutting lenses like rectangle, step according to various requirements are available. Creator Optics can produce all kinds of customized optical meniscus / crescent lenses.

   The main material of these crescent / meniscus lens are as follows:
     BK7 glass and all catalog optical glass, fused silica, Sapphire crystal, Quartz crystal,
     Germanium ( Ge ) monocrystal, Silicon monocrystal, ZnSe, Barium Fluoride
     ( BaF2 ), Calcium Fluoride ( CaF2 ), ZnS, Pyrex, BOROFLOAT, float glass, etc.

     Surface Quality: 80/50, 60/40, 40/20, 20/10, 10/5.
     Coating: We provide different single layer or multiplayer anti-reflecting (AR)
       coating against differrent requirements. Customized available.

Specifications of Meniscus / Crescent Lenses:

meniscus-lens-DWGcrescent-lens-DWG

Specifications/Categories Precision Standard
Size Range Diameter 10 to 200mm Diameter 5 to 300mm
Diameter Tolerance +0/-0.05mm +0/-0.1mm
Thickness Tolerance +/-0.05mm +/-0.1mm
Centering Tolerance <1´ 3´-5´
Surface Quality 40/20, 20/10 60/40
Surface Accuracy 0.5-0.2 3-0.5
Clear Aperture >85% >85%
Bevel 0.1-0.25mm*45° 0.1-0.25mm*45°
Coating anti-reflective coatings, AR/AR, customized available

* For more information or other materials and requests, please contact us.



 top  

 
Sapphire Windows Sapphire Rods Sapphire IPL Light Guides tel: +86 25 83427907
Round Sapphire Windows Micro Sapphire Rods  
Rectangular Sapphire Windows Sapphire Tips Sapphire Piston / Plunger Rods fax: +86 25 8342 6285
Sapphire T-step Windows Sapphire Tapered Rods  
Sapphire Cone Windows     email: sales@creatoroptics.com
Large Sapphire Windows Sapphire Balls and Bearings Sapphire Blades / Knives
Micro Sapphire Windows Sapphire Ball and Half-ball    
Sapphire Wedge Windows Sapphire Bearings Sapphire Optical Prisms
Custom Shaped Sapphire Windows      
  Sapphire Viewport Sapphire Optical Mirrors
Sapphire Lenses    
facebook  twitter  linkedin
     

-Home-  -About Us-  -Order-  -Feedback-  -Contact Us-
-Copyright © Nanjing Creator Optics Co., Ltd. All Rights Reserved.-
E-mail:sales@creatoroptics.com creatoroptics@hotmail.com