pk10开奖记录

>

Meniscus Lenses


  • Introduction
  • Download
  • Feedback

Specifications:

MaterialBK7 or UV fused silica
Focal Length Tolerance±1% @589nm
Design Wavelength589nm
Centration≤3′
Diameter Tolerance+0/-0.1mm
Clear Aperture>≥ central 90%  of  diameter
Center Thickness  Tolerance±0.1mm
Edge Thickness3.5 mm , nominal
Surface Quality20/10(UVFS)/ 40/20(BK7)
Surface Accuracy

≤ 1.5λ power,λ/2 irregularity(UVFS)

≤ 1.5λ power,λ/4 irregularity(BK7)

Chamfers0-0.8mm face width×45°±15°


 

Order Information:


                             LMS    ----     254     ----     R515    ----     R1000    ----    BK7   

                                ↓                           ↓                         ↓                            ↓                        

                     Product Code    Diameter  25.4mm   R1=51.56mm    R2 =-100mm       Material


Meniscus  Lenses


Part NumberDia(mm)Tc(mm)Te(mm)

R1(mm)

R2(mm)

EFL(mm)

Material
LMS-254-R515-R1000-BK725.44.283.551.56-100200BK7
LMS-254-R857-R2500-BK725.44.123.585.7-250250BK7
LMS-254-R1025-R3000-BK725.44.023.5102.58-300300BK7
LMS-254-R1266-R3220-BK725.43.893.5126.66-322400BK7
LMS-254-R1554-R3876-BK725.43.813.5155.466-387.6500BK7


Note:

     Other sizes and focal length are available upon request. Also the lens ring mounts are available upon required.



pk10开奖记录Dear visitors! Please submit your feedback information!

  • *Name:
  • Company:
  • *Tel:
  • *Email:
  • *Message:
  • *Code:


Copyright© CASTECH Inc. all rights reserved 闽ICP备12014619号 Copyright 2012-2017 51helpdesk.com

+-