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TECHSPEC 6.25mm Dia. x 30mm FL, VIS 0°, Inked, Achromatic Lens

Stock #47-694-INK
$67.00
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Qty 1-5
$67.00
Qty 6
$53.60
Volume Pricing
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Diameter (mm):
6.25 ±0.025
Effective Focal Length EFL (mm):
30.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
28.43
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
5.625
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
2.30
Center Thickness CT 2 (mm):
0.90
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
18.11
Radius R2 (mm):
-13.51
Radius R3 (mm):
-39.29
Edge Thickness ET (mm):
2.80
Substrate:
N-BK7 / N-SF5
Surface Quality:
40-20
f/#:
4.8
Numerical Aperture NA:
0.10
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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