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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

Broadband AR Coated Negative Achromatic Lenses

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TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are corrected for color and on-axis aberrations. These lenses, consisting of two optical elements cemented together, are commonly used as Barlow lenses to extend focal lengths. The achromatic lenses are available in various diameter sizes and VIS 0° or VIS-NIR coating options. TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are offered in 6.25 - 25mm diameter options. MgF2 Coated Negative Achromatic Lenses are also available.

Common Specifications

Bevel:
Protective bevel as needed
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Products

Dia. (mm) EFL (mm) BFL (mm)  Substrate   Coating   Compare   Stock Number   Price  Buy
6.25 -10.00 -11.92 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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6.25 -10.00 -11.92 N-BAF10 / N-SF10 VIS-NIR (400-1000nm)
Other Coating Options
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6.25 -25.00 -26.53 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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9.00 -12.00 -13.78 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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9.00 -25.00 -27.33 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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12.50 -15.00 -18.08 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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12.50 -20.00 -22.88 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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12.50 -25.00 -27.33 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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12.50 -35.00 -36.51 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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12.50 -50.00 -51.58 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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12.50 -75.00 -77.47 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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25.00 -50.00 -53.33 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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25.00 -75.00 -77.65 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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25.00 -100.00 -102.37 N-BAF10 / N-SF10 VIS 0° (425-675nm)
Other Coating Options
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25.00 -150.00 -152.63 N-BK7 / N-SF5 VIS 0° (425-675nm)
Other Coating Options
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Technical Information

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Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.