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All Products / Optics / Optical Lenses / Plano-Convex (PCX) Lenses / UV and IR Plano-Convex (PCX) Lenses / Calcium Fluoride Plano-Convex (PCX) Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Dia. x 50mm FL NIR II Coated Calcium Fluoride PCX Lens

TECHSPEC Calcium Fluoride Plano-Convex (PCX) Lenses

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Stock #22-529 3-4 days
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£47.28 £189.13
Qty 1-5
£47.28 £189.13
Qty 6+
£37.83 £151.30
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Diameter (mm):
25.00 +0.00/-0.10
Effective Focal Length EFL (mm):
50.00 @ 266nm
Back Focal Length BFL (mm):
46.58
Coating:
NIR II (750-1550nm)
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Calcium Fluoride (CaF2)
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
λ
Irregularity (P-V) @ 632.8nm:
λ/2
Centering (arcmin):
<3
Center Thickness CT (mm):
5.00 ±0.1
Edge Thickness ET (mm):
1.33
Radius R1 (mm):
23.11
Clear Aperture CA (mm):
24
f/#:
2.00
Numerical Aperture NA:
0.25
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
200 - 7000
Axis Orientation:
Random

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Family Description

  • Low Index of Refraction
  • Vacuum Grade UV Substrate
  • Uncoated, VIS-NIR, and NIR II Broadband AR Coating Options

TECHSPEC® Calcium Fluoride Plano-Convex Lenses are ideal for demanding applications that require superior performance from the ultraviolet through the mid-wave infrared spectra. The lenses’ low refractive index, high laser damage threshold, and low axial and radial-stress birefringence are highly suitable for use with Excimer lasers or for integration into infrared systems. Additionally, calcium fluoride features low solubility and offers superior hardness to comparable fluoride-based substrates, making these PCX lenses capable of withstanding harsh environments and exposure to the elements. TECHSPEC® Calcium Fluoride Plano-Convex Lenses are offered in 12.5mm, 25mm, and 50mm diameters. The lenses are available uncoated, VIS-NIR, or with NIR II broadband AR coating options.