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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 x 50mm FL, Uncoated, High Precision Aspheric Lens

TECHSPEC® High Precision Aspheric Lenses

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Stock #12-439 3-4 days
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Other Coating Options
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€695,00
Qty 1-10
€695,00
Qty 11+
€550,00
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Prices shown are exclusive of VAT/local taxes
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Specifications

General

Type:
Aspheric Lens
Note:
3D Surface Profile included with uncoated lenses

Physical & Mechanical Properties

Diameter (mm):
25.00 +0.00/-0.025
Centering (arcmin):
<1
Clear Aperture CA (mm):
22.50
Edge Thickness ET (mm):
4.14
Center Thickness CT (mm):
7.24
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano

Optical Properties

Effective Focal Length EFL (mm):
50.00 @ 587.6nm
Numerical Aperture NA:
0.25
Back Focal Length BFL (mm):
45.23
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Aspheric Design Wavelength (nm):
587.6
Asphere Figure Error, RMS @ 632.8nm:
λ/40
Coating:
Uncoated
Surface Quality:
40-20
f/#:
2
Wavelength Range (nm):
350 - 2200
Conjugate Distance:
Infinite
Power (diopters):
20.00

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Details

  • 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.

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