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40mm Dia. x 200mm FL, MgF2 Coated, DCX N-K5 Lens

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£16.96
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Diameter (mm):
40.00 +0.00/-0.10
Effective Focal Length EFL (mm):
200.00 @ 587.6nm
Back Focal Length BFL (mm):
197.36
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Tolerance (%):
±1
Centering (arcmin):
<1
Center Thickness CT (mm):
8.00 ±0.10
Edge Thickness ET (mm):
6.07
Clear Aperture CA (mm):
39
f/#:
5.00
Numerical Aperture NA:
0.10
Type:
Double-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
400 - 700
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
10 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS:
Reach 224:
Certificate of Conformance:

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.