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All Products / Optics / Optical Lenses / Plano-Convex (PCX) Lenses / Standard Plano-Convex (PCX) Lenses / N-K5 Lenses
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12mm Dia. x 24mm FL, NIR II Coated, DCX N-K5 Lens

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Stock #67-624 Clearance 3-4 days
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£18.66
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£18.66
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Diameter (mm):
12.00 +0.00/-0.10
Effective Focal Length EFL (mm):
24.00 @ 587.6nm
Back Focal Length BFL (mm):
22.65
Coating:
NIR II (750-1550nm)
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-K5
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Tolerance (%):
±1.00
Centering (arcmin):
<1
Center Thickness CT (mm):
4.00 ±0.05
Edge Thickness ET (mm):
2.50
Clear Aperture CA (mm):
11
f/#:
2.00
Numerical Aperture NA:
0.25
Type:
Double-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
750 - 1550
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
8 J/cm2 @ 1064nm, 10ns

Regulatory Compliance

RoHS:
Compliant
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Reach 224:
Compliant
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Certificate of Conformance:
View
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Product Family Description

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

N-K5 Lenses are available in various diameters, focal lengths, as well as Plano-Convex and Double-Convex form factors. Anti-reflective coatings covering the VIS to NIR make these ideal for multiple applications.