Visible Achromatic Doublet Lens, 76.2 mm, 250 mm EFL, 400-700 nm

Model: PAC095

Visible Achromatic Doublet Lens, 76.2 mm, 250 mm EFL, 400-700 nm

Model: PAC095

Technical Specs

  • Diameter
    76.2 mm
  • Lens Material
    N-BK7/N-F4
  • Antireflection Coating
    400-700 nm
  • Effective Focal Length
    250 mm
  • Surface Quality
    40-20 scratch-dig
  • Orientation
    Steepest convex surface should face the infinite conjugate
  • Design Wavelengths
    486.1, 546.1, 656.3 nm
  • Surface Flatness
    λ/4
  • Surface Accuracy, Power
    1.5 λ  
  • Focal Length, Back
    240.1 mm  
  • F/#
    3.3  
  • Centration
    ≤3 arc min
  • Radius of Curvature
    140.890 mm  
  • Radius 2
    -101.720 mm
  • Radius 3
    -465.060 mm
  • Diameter Tolerance
    +0/-0.1 mm
  • Focal Length Tolerance
    ±2.0%
  • Center Thickness
    18.5 mm  
  • Center Thickness Tolerance
    ±0.4 mm
  • Edge Thickness
    11.7 mm  
  • Clear Aperture
    90% of central diameter
  • Thickness, Center 1
    14.5 mm  
  • Thickness, Center 2
    4.0 mm  
  • Cleaning
    Non-abrasive method, acetone or isopropyl alcoholon lens tissue recommended
  • Damage Threshold
    750 W/cm2 CW, 0.75 J/cm2 with 10 nsec pulses, typical, cement limitation
  • Transmission
    T>95% visible, T>92% at 1064 nm
  • Lens Type
    Achromatic Doublet
  • Lens Shape
    Plano-Convex

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Visible Achromatic Doublet Lens, 76.2 mm, 250 mm EFL, 400-700 nm

Model: PAC095

$334.00
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