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

25mm Dia. x 75mm FL, 3 - 5μm Coated, Ge Plano-Convex Lens

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Stock #69-654 Other Coating Options
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S$556.45
Qty 1-5
S$556.45
Qty 6+
S$435.55
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Specifications

Diameter (mm):
25.00 +0.0/-0.1
Effective Focal Length EFL (mm):
75.00 @ 10.6µm
Back Focal Length BFL (mm):
75.25
Coating:
BBAR (3000-5000nm)
Coating Specification:
Ravg <3.0% @ 3 - 5μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Germanium (Ge)
Surface Quality:
60-40
Centering (arcmin):
<3
Center Thickness CT (mm):
3.00 ±0.10
Edge Thickness ET (mm):
2.65
Radius R1 (mm):
225.29
Clear Aperture CA (mm):
24
f/#:
3.00
Numerical Aperture NA:
0.17
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
3000 - 5000

Regulatory Compliance

RoHS 2015:
Reach 224:

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Product Family Description

  • Wavelength Range of 2 - 16μm
  • Rugged, Durable Material
  • Ideal for Defense, Security, and Thermal Imaging Applications
  • Additional Infrared Lenses Available in Popular Substrates

Our TECHSPEC® Germanium Plano-Convex (PCX) Lenses feature precision diamond turned surfaces making them ideal for a variety of infrared applications, including thermal imaging, infrared spectroscopy, and remote sensing. Germanium (Ge) is popular for its high index of refraction, broad transmission range, and rugged mechanical properties. These lenses are available in 25 and 50mm diameters, uncoated, or with multiple broadband coating options. For more information on Germanium properties, please review our guide to selecting The Correct Material for Infrared (IR) Applications.

Technical Information

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