Optical Glass Plano Concave Lens ( K9)

- Oct 25, 2017-

Basic Info

Product Description

  • Shape: Single-lens

  • Item: Plcx, Plcc, Bicx, Bixx, Cxcc, Doublet

  • Dimension Tolerance: +0/-0.05mm

  • Surface Quality: 40-20 or Better

  • Center Error: Etv Better Than 0.01mm

  • Bevel: Protective Bevel

  • Type: Concave Lens

  • Material: Glass

  • Design Wavelength: Customer Design

  • Thickness Tolerance: +/-0.1mm

  • Surface Figure: Sph Surface:Lambda/4 or Better @632.8nm

  • Clear Aperture: 90% of Diameter

  • Coating: Bbar or Customer Design

  • Origin: Jilin

Focusing or imaging applications
Focal Length: F = -R/(n-1)
N: Refractive index
R: Radius curvature

Plano-concave lenses are useful for a wide range of applications. These lenses are manufactured from BK7A grade A (or customer design) optical glass and are supplied uncoated. Anti-reflection coatings are available as listed earlier in this section. To order an anti-reflection coated lens simply append the wavelength in nanometers to the product number.


Material BK7 etc.
Design Wavelength Customer design
Dimension Tolerance +0/-0.05mm
Thickness Tolerance +/-0.1mm
Surface Quality 40-20 or better
Surface Figure Sph surface: Lambda/4 or better @632.8nm
Center Error ETV better than 0.01mm
Clear Aperture 90% of diameter
Bevel Protective bevel
Coating BBAR or customer design

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