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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

25mm Dia., 0.66 Numerical Aperture, Uncoated, Inked, High Precision Aspheric Lens

TECHSPEC® Precision Aspheric Lenses

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Stock #37-427-INK 10-15 days
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Other Coating Options
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A$532.80
Qty 1-5
A$532.80
Qty 6+
A$425.60
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Specifications

General

Type:
Aspheric Lens

Physical & Mechanical Properties

Diameter (mm):
25.00 ±0.025
Centering (arcmin):
<3
Clear Aperture CA (mm):
22.50
Edge Thickness ET (mm):
7.97
Center Thickness CT (mm):
13.50 ±0.10
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano

Optical Properties

Effective Focal Length EFL (mm):
18.75 @ 587.6nm
Numerical Aperture NA:
0.66
Back Focal Length BFL (mm):
11.27
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Asphere Figure Error, RMS @ 632.8nm:
0.4λ
Coating:
Uncoated
Surface Quality:
40-20
f/#:
0.75
Wavelength Range (nm):
390 - 2500
Conjugate Distance:
Infinite

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Details

  • Improved Versions of Our Aspheric Lenses
  • Precision Grade Aspheric Surfaces
  • High Numerical Apertures to Maximize Throughput

TECHSPEC® Precision Aspheric Lenses are CNC polished aspheric lenses that feature a 0.4λ RMS aspheric figure error. The precision aspheric figure error makes these lenses ideal for applications that require spherical aberration correction, including imaging and laser focusing applications. These aspheric lenses can also be used to replace multiple spherical elements in optical assemblies to reduce weight and cost. TECHSPEC Precision Aspheric Lenses are available with diameters from 6 to 50mm and high numerical apertures to maximize light throughput.

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