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  • 商品名称: 弯月透镜
  • 上架时间: 2016-02-26
  • 浏览次数: 255

Plano-Concave Lenses





Specifications:
Material BK7 grade A optical glass or Fused silica
Design Wavelength 546.1nm
Design Index   1.5183 ±0.0005
Diameter Tolerance +0.0, -0.15mm
Paraxial Focal Length  ±2%
Centration Tolerance 3 arc minutes
Clear Aperture  >85% 
Surface Figure λ/4 @ 632.8nm
Surface Quality  60-40 Scratch and Dig 
Bevel  0.25 mm x 45°
Plano-Concave Lenses





Specifications:
Material BK7,SF2,SF6 etc.
Design Wavelength 480nm, 546.1nm, 643.8nm
Design Index   1.5183 ±0.0005
Diameter Tolerance +0.0, -0.15mm
Paraxial Focal Length  ±2%
Centration Tolerance 3 arc minutes
Clear Aperture  >85% 
Surface Figure λ/4 @ 632.8nm
Surface Quality  60-40 Scratch and Dig 
Bevel  0.25 mm x 45°