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All Products / Optics / Optical Lenses / Aspheric Lenses / Glass Polished / Calibration Grade Aspheric 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

50mm Dia., 0.66 NA, Uncoated, Calibration Grade Aspheric Lens

Calibration Grade Aspheric Lenses

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Stock #69-143 Clearance In Stock
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C$375.20 C$938.00
Qty 1-5
C$375.20 C$938.00
Qty 6+
C$338.24 C$845.60
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Diameter (mm):
50.00 +0.0/-0.1
Effective Focal Length EFL (mm):
37.50 @ 587.6nm
Numerical Aperture NA:
0.66
Back Focal Length BFL (mm):
25.29 @ 587.6nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
L-BAL35
Aspheric Design Wavelength (nm):
587.6
Asphere Figure Error, RMS @ 632.8nm:
0.4λ
Coating:
Uncoated
Centering (arcmin):
≤1
Surface Quality:
20-10
Clear Aperture CA (mm):
46.00
Edge Thickness ET (mm):
2.69
Center Thickness CT (mm):
19.40
f/#:
0.76
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
330 - 2400
Conjugate Distance:
Infinite
Power (diopters):
26.67

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Complete Metrology Data Provided
  • Precision Grade Aspheric Surface
  • 0.66 and 0.50 NA Lenses

Our TECHSPEC® Calibration Grade Aspheric Lenses offer the ultimate in performance and precision available from an off-the-shelf polished aspheric lenses. Featuring improved aspheric surface figure, surface quality, and centering specification over our TECHSPEC® Aspheric lenses, these optical components are ideal for integration into R&D and OEM applications alike. With high numerical apertures, the lenses are ideal for improving the efficiency of low light level detection systems, or for applications requiring a compact optical path.

Each aspheric lens is serialized and provided with a complete metrology data package. The test data package includes a surface profile performed on our Taylor Hobson Talysurf Profilometer, an interferogram of the spherical surface, and tested values for diameter, center thickness, and centration. For custom designed calibration grade aspheric lenses, coating requirements, or volume pricing, please contact our Sales Department.