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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
25mm Dia. x 60mm FL, VIS 0°, Inked, Achromatic Lens

Stock #47-638-INK
A$171.60
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Qty 1-5
A$171.60
Qty 6
A$137.28
Volume Pricing
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Diameter (mm):
25.00 ±0.025
Effective Focal Length EFL (mm):
60.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
52.23
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
24.00
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
9.00
Center Thickness CT 2 (mm):
2.40
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
31.94
Radius R2 (mm):
-29.95
Radius R3 (mm):
-1029.79
Edge Thickness ET (mm):
8.78
Substrate:
Surface Quality:
40-20
f/#:
2.4
Numerical Aperture NA:
0.21
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
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):
425 - 675

Regulatory Compliance

RoHS:

Product Family Description

  • Designed for 0° Angle of Incidence
  • Less Than 0.4% Reflectance Per Surface from 425 - 675nm
  • MgF2 and VIS-NIR 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.

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