Plano-Convex Lens, Fused Silica, 25.4 mm, 200 mm EFL, AR.4 coated

Model: SPX028AR.4

Plano-Convex Lens, Fused Silica, 25.4 mm, 200 mm EFL, AR.4 coated

Model: SPX028AR.4

Technical Specs

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    HPFS 7978
  • Antireflection Coating
    230-266 nm
  • Effective Focal Length
    200 mm  
  • Surface Quality
    15-5 scratch-dig
  • Surface Accuracy, Irregularity
    λ/8
  • Surface Accuracy, Power
    1.5 λ  
  • Surface Flatness
    λ/10
  • Focal Length, Back
    197.33 mm  
  • F/#
    7.9  
  • Radius of Curvature
    91.800 mm  
  • Chamfers
    0–0.8 mm face width
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Diameter Tolerance
    +0/-0.1 mm
  • Focal Length Tolerance
    ±1 %
  • Center Thickness
    3.883 mm  
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    ≥central 90% of diameter
  • Coating Code
    AR.4
  • Cleaning
    Non-abrasive method, acetone or isopropyl alcoholon lens tissue recommended
  • Damage Threshold
    15J/cm2 with 20 nsec pulses @1064 nm, 10 Hz
  • Reflectance
    Ravg<0.50% @ 230-266 nm

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Plano-Convex Lens, Fused Silica, 25.4 mm, 200 mm EFL, AR.4 coated

Model: SPX028AR.4

$173.00
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