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Products / Sale Items / Clearance Optics / N-K5 Lenses
See all 25 Products in Family

25mm Dia. x 200mm FL, NIR I Coated, DCX N-K5 Lens

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Stock #49-498 Clearance
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Qty 1+
£18.45
Volume Pricing
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Diameter (mm):
25.00 +0.00/-0.10
Effective Focal Length EFL (mm):
200.00 @ 587.6nm
Back Focal Length BFL (mm):
198.35
Coating:
NIR I (600-1050nm)
Coating Specification:
Ravg ≤0.5% @ 600 - 1050nm
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
Centering (arcmin):
<1
Center Thickness CT (mm):
5.00 ±0.10
Edge Thickness ET (mm):
4.25
Clear Aperture CA (mm):
24
f/#:
8.00
Numerical Aperture NA:
0.06
Type:
Double-Convex Lens
Bevel:
Protective bevel as needed
Typical Energy Density Limit:
7 J/cm2 @ 1064nm, 10ns
Wavelength Range (nm):
600 - 1050

Regulatory Compliance

RoHS:
Compliant
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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.

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