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All Products / Optics / Optical Lenses / Aspheric Lenses / Glass Polished / Precision 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., 0.83 Numerical Aperture, 350-700nm Coated, Precision Aspheric Lens

TECHSPEC® Precision Aspheric Lenses

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Stock #16-970 3-5 days
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A$1,264.00
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A$1,011.20
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Diameter (mm):
50.00 +0.00/-0.025
Effective Focal Length EFL (mm):
30.00 @ 587.6nm
Numerical Aperture NA:
0.83
Back Focal Length BFL (mm):
18.06
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SF6
Asphere Figure Error, RMS @ 632.8nm:
0.4λ
Coating:
VIS-EXT+ (350-700nm)
Coating Specification:
Ravg <0.5% @ 350 - 700nm @ ±30° AOI
Rabs <1.5% @ 350 - 700nm @ ±30° AOI
Centering (arcmin):
<3
Surface Quality:
40-20
Clear Aperture CA (mm):
45.00
Edge Thickness ET (mm):
7.35
Center Thickness CT (mm):
21.56 ±0.10
f/#:
0.60
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
350 - 700
Conjugate Distance:
Infinite
Power (diopters):
33.33

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
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REACH 241:
Compliant
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Product Family Description

  • 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.