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20mm Dia. x 40mm FL, VIS 0° Coated, Achromatic Lens

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Products / Optics / Optical Lenses / Achromatic Lenses / VIS 0° Coated Achromatic Lenses
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
20mm Dia. x 40mm FL, VIS 0° Coated, Achromatic Lens

Stock #47-735
€84.50
×
Qty 1-5
€84.50
Qty 6
€67.60
Volume Pricing
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Diameter (mm):
20.00 +0.0/-0.025
Effective Focal Length EFL (mm):
40.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
34.40
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
19.00
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
8.00
Center Thickness CT 2 (mm):
2.00
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
27.63
Radius R2 (mm):
-17.58
Radius R3 (mm):
-171.25
Edge Thickness ET (mm):
7.83
Substrate:
N-BAF10 / N-SF10
Surface Quality:
40-20
f/#:
2.00
Numerical Aperture NA:
0.25
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 2015:
Compliant
×
REACH 201:
Compliant
×

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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Edmund Optics GmbH Germany acts as an agent for Edmund Optics Ltd. UK.
The contract partner is Edmund Optics Ltd. UK. Products are shipped from the UK.

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