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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

VIS-NIR Coated Double-Concave (DCV) Lenses

Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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  • AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm
  • <0.25% Reflectance @ 880nm
  • Designed for 0° Angle of Incidence
  • Various Coating Options: Uncoated, VIS-EXT, MgF2, VIS 0°, NIR I, and NIR II

TECHSPEC® VIS-NIR Coated Double-Concave (DCV) Lenses are designed to have two inward curved surfaces and a negative focal length similar to Plano-Concave (PCV) lenses. These lenses can be used for balancing aberrations created by other lenses within a system due to their negative spherical aberration. Double-Concave (DCV) lenses are commonly used in a variety of applications including image reduction, beam expansion and telescopes. TECHSPEC® VIS-NIR Coated Double-Concave (DCV) Lenses are optimized for transmission (>99%) in the near-infrared. These lenses are also available Uncoated, VIS-EXT, MgF2, VIS 0°, NIR I, or with NIR II AR coating options.