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6.0mm Diameter x -18 FL, MgF2 Coated, Plano-Concave Lens

Stock #45-011
A$44.00
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Qty 1-9
A$44.00
Qty 10-24
A$39.60
Qty 25+
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Diameter (mm):
6.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-18.00
Back Focal Length BFL (mm):
-19.32
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Substrate:
N-BK7
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Center Thickness CT (mm):
2.00
Center Thickness Tolerance (mm):
±0.1
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
5.4
Edge Thickness ET (mm):
2.40
Radius R1 (mm):
-9.30
f/#:
3.00
Numerical Aperture NA:
0.17
Bevel:
Protective bevel as needed
Type:
Plano-Concave Lens
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 700
RoHS:

Product Family Description

  • AR Coated to Provide <1.75% Reflectance per Surface for 400 - 700nm
  • Designed for 0° Angle of Incidence
  • Various Coating Options: Uncoated, VIS 0°, VIS-NIR, NIR I, and NIR II

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

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