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

9mm Diameter x 12mm EFL Aspherized Achromatic Lens

Aspherized Achromatic Lenses

Aspherized Achromatic Lenses
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Stock #49-656
- +
$118.00
Qty 1-5
$118.00
Qty 6+
$93.00
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Diameter (mm):
9.00 +0.00/-0.05
Effective Focal Length EFL (mm):
12.00
Back Focal Length BFL (mm):
8.162
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
8.10
Centering (arcmin):
≤5
Center Thickness CT (mm):
6.00
Center Thickness CT 1 (mm):
4.50
Center Thickness CT 2 (mm):
1.50
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
7.56
Radius R2 (mm):
12.80
Radius R3 (mm):
−666.03
Edge Thickness ET (mm):
4.77
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
60-40, glass surfaces only
f/#:
1.33
Numerical Aperture NA:
0.38
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Note:
VIS 0° Coating on First Surface, Second Surface is Aspheric Polymer
Operating Temperature (°C):
-20°C to 80°C
Type:
Achromatic Lens
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

Product Family Description

  • Unique Innovative Design, Low Cost, Color-Corrected Asphere
  • Better Color Correction than Standard Achromatic Lenses
  • Similar Spherical Aberration Correction to Machined Aspheres
  • Prescription Information Available

TECHSPEC®­ Aspherized Achromats bridge the gap between color-corrected achromats and spherical aberration corrected aspheres, resulting in cost effective, color corrected aspheric components. The TECHSPEC­® doublet lenses consist of two cemented elements that are matched for their color-correction ability and small RMS spot size.

The second surface of the doublet is fused with a molded polymer aspheric surface. These molds create a stable aspheric contour, removing or reducing wavefront errors present in typical achromats while boosting numerical aperture. Typical applications include: fiber optic focusing or collimation, image relay, inspection, scanning and high numerical aperture imaging.

These lenses were honored in the PhAST/Laser Focus World Innovation Award for Optics and Optical Components.

CT: Center Thickness, ET: Edge Thickness, R: Radius, P: Principal Plane, BFL: Back Focal Length, EFL: Effective Focal Length
CT: Center Thickness, ET: Edge Thickness, R: Radius, P: Principal Plane, BFL: Back Focal Length, EFL: Effective Focal Length
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