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18mm Dia x -46 FL MgF2 Coated, Achromatic Lens

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Stock #30-448 Clearance 3-4 days
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£11.01
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Diameter (mm):
18.00
Effective Focal Length EFL (mm):
-46.00
f/#:
2.56
Numerical Aperture NA:
0.20
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Family Description

  • Correct for Color and On-Axis Aberrations
  • MgF2 Coated for Low Reflection
  • Ideal for use as Barlow Lenses

Consisting of two optical elements cemented together, negative achromats are corrected for color and on-axis aberrations. Used predominantly as Barlow lenses to extend focal lengths, they are often combined with positive achromatic mirror systems and imaging lenses.