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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
5mm Dia. x 12.5mm FL, VIS-NIR, Inked, Achromatic Lens

Stock #49-947-INK
A$136.00
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Qty 1-5
A$136.00
Qty 6
A$108.80
Volume Pricing
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Diameter (mm):
5.00 +0.0/-0.025
Effective Focal Length EFL (mm):
12.50
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
10.89
Clear Aperture CA (mm):
4.5
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
2.30
Center Thickness CT 2 (mm):
1.00
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
8.57
Radius R2 (mm):
-6.22
Radius R3 (mm):
-21.36
Edge Thickness ET (mm):
2.78
Substrate:
f/#:
2.5
Numerical Aperture NA:
0.20
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 1000

Regulatory Compliance

RoHS:

Product Family Description

  • Designed for 0° Angle of Incidence
  • Less Than 0.25% Reflectance Per Surface @ 880nm
  • MgF2 and VIS 0° Coated Achromats Also Available

Achromatic lenses consist of two optical components cemented together to form an achromatic doublet which is computer optimized to correct for on-axis spherical and chromatic aberrations. Magnesium Fluoride coated and VIS 0° coated achromats also available.

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