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    Diameter (mm)
    Effective Focal Length EFL (mm)
    Numerical Aperture NA
    Wavelength Range (nm)

    Double-Convex Lenses

    Double-Convex Lenses are used in image relay applications, or for imaging objects at close conjugates. Double-Convex Lenses have positive focal lengths, along with two convex surfaces with equal radii. Aberrations will increase as the conjugate ratios increase. DCX Lenses are used in a range of industries or applications.

    Edmund Optics offers a wide variety of Double-Convex Lenses in a range of substrates or anti-reflection coatings for maximum performance in the Ultraviolet (UV), Visible, or Infrared (IR). Anti-reflection coatings include UV-AR, UV-VIS, MgF2, VIS 0°, VIS-NIR, NIR I, or NIR II. UV Fused Silica or Calcium Fluoride (CaF2) substrates are also available for additional performance in the Ultraviolet (UV) or Infrared (IR) spectrums. UF Fused Silica Double-Convex Lenses are ideal for close conjugate imaging systems utilizing Ultraviolet (UV) illumination. Calcium Fluoride (CaF2) offers a very wide transmission range of 350nm - 7μm. Edmund Optics’ Double-Convex Lenses are available in a wide range of diameters or focal lengths.

    Uncoated Double-Convex (DCX) Lenses
    • Wavelength Range of 350-2200nm
    • Precision Diameter and Centration Tolerances Allow for Easy OEM Integration
    • Wide Variety of Diameters, Focal Lengths, and Coatings
    • Anti-Reflection Coating Options: MgF2, VIS 0°, VIS-NIR, NIR I, NIR II, VIS-EXT, and YAG-BBAR

    MgF2 Coated Double-Convex (DCX) Lenses

    VIS 0° Coated Double-Convex (DCX) Lenses

    NIR I Coated Double-Convex (DCX) Lenses

    NIR II Coated Double-Convex (DCX) Lenses

    VIS-EXT Coated Double-Convex (DCX) Lenses

    VIS-NIR Coated Double-Convex (DCX) Lenses

    YAG-BBAR Coated Double-Convex (DCX) Lenses
    • Optimized for R<0.25% @ 532nm and 1064nm
    • AR Coated to Provide <1.0% reflectance per surface for 500 - 1100nm
    • Designed for 0° Angle of Incidence
    • Various Coating Options: Uncoated, MgF2, VIS 0°, VIS-NIR, NIR I, NIR II, and VIS-EXT

    UV Fused Silica Double-Convex (DCX) Lenses
    • Positive Focal Lengths for Imaging Applications
    • Wavelength Range of 200 - 2200nm
    • Variety of AR Coating Options Available

    Plano-Convex (PCX) and Simple Lens Kits
    • Simple Lens Kits Include PCX, DCX, PCV, and DCV Lenses
    • Kits Available for 12mm and 25mm Diameter Lenses
    • Uncoated or BBAR Coating Options

    N-K5 Lenses
    • N-K5 Substrate
    • Various Anti-Reflection (AR) Coatings
    • PCX and DCX Options Available

    Calcium Fluoride Double-Convex (DCX) Lenses
    • Greater than 90% Transmission from 350nm-7μm
    • Low Index of Refraction


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