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All 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. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

6.25mm Dia. x 15mm FL, VIS 0° Coated, Achromatic Lens

Any of our lenses with a diameter of 5mm or greater can be specified with blackened edges. To specify the blackening, simply append a –INK to the BBAR coated stock number.
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Stock #47-691 In Stock
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Other Coating Options
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£58.23
Qty 1-5
£58.23
Qty 6+
£46.75
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Specifications

General

Type:
Achromatic Lens

Physical & Mechanical Properties

Diameter (mm):
6.25 +0.0/-0.025
Clear Aperture CA (mm):
5.625
Centering (arcmin):
<1
Center Thickness CT (mm):
3.30 ±0.10
Center Thickness CT 1 (mm):
2.70 ±0.05
Center Thickness CT 2 (mm):
0.60 ±0.05
Edge Thickness ET (mm):
2.64
Bevel:
Protective bevel as needed

Optical Properties

Effective Focal Length EFL (mm):
15.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
12.73
Focal Length Specification Wavelength (nm):
587.6
Radius R1 (mm):
7.95
Radius R2 (mm):
-7.25
Radius R3 (mm):
-277.83
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SSK8 / N-SF10
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
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS 2015:
Compliant
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Reach 219:
Compliant
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Certificate of Conformance:
View
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Product Details

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

TECHSPEC® VIS 0° Coated Achromatic Lenses consist of two optical components cemented together to form an achromatic doublet. The doublet is computer optimized to correct for on-axis spherical and chromatic aberrations.  Achromatic lenses are best for applications involving multi-color (white light) imaging due to their specific doublet lens pairing that enables them to correct the color separation inherent in glass. TECHSPEC® VIS 0° Coated Achromatic Lenses provide optimized transmission for 425 – 675nm, reducing average reflection to 0.4%. MgF2 and VIS-NIR Coated Achromats are also available on our website. 

Technical Information

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6.25mm Inner Single Optic Mount Fixed #38-746 £28.90
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