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

15mm Dia x 18.75mm FL, Uncoated, High Precision Aspheric Lens

TECHSPEC® High Precision Aspheric Lenses

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Stock #12-429 3-4 days
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£476.00
Qty 1-10
£476.00
Qty 11+
£373.15
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Diameter (mm):
15.00 +0.00/-0.025
Effective Focal Length EFL (mm):
18.75 @ 587.6nm
Numerical Aperture NA:
0.40
Back Focal Length BFL (mm):
14.32
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-SF6
Aspheric Design Wavelength (nm):
587.6
Asphere Figure Error, RMS @ 632.8nm:
λ/40
Coating:
Uncoated
Centering (arcmin):
<3
Surface Quality:
40-20
Clear Aperture CA (mm):
13.50
Edge Thickness ET (mm):
6.10
Center Thickness CT (mm):
8.00
f/#:
1.25
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
390 - 2500
Conjugate Distance:
Infinite
Note:
3D Surface Profile included with uncoated lenses
Power (diopters):
53.33

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • High Precision Aspheric Surface
  • 3D Surface Profiles Included with Uncoated Lenses
  • Uncoated and <0.25% Reflectance V-Coat Available

TECHSPEC® High Precision Aspheric Lenses guarantee better than λ/40 wave aspheric figure error. Achieved via precision magneto-rheological finishing (MRF), these aspheres offer high numerical apertures with diameters ranging from 15 to 50mm and are ideal for a variety of imaging and low light level applications. Each TECHSPEC High Precision Aspheric Lens is individually measured. 3D surface profiles are included with uncoated lenses. For diffraction-limited aspheres designed at specific Nd:YAG laser wavelengths, see our TECHSPEC High Precision Laser Grade Aspheric Lenses.