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All Products / Optics / Optical Lenses / Aspheric Lenses / Glass Polished / Truncated 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

12.5 x 25mm, 0.25 Numerical Aperture, Uncoated, Truncated Precision Aspheric Lens 

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Stock #17-311 3-5 days
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A$260.00 A$520.00
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A$260.00 A$520.00
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Dimensions (mm):
12.50 x 25.00
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
N-BK7
Asphere Figure Error, RMS @ 632.8nm:
0.4λ
Coating:
Uncoated
Centering (arcmin):
<3
Surface Quality:
40-20
Clear Aperture CA (mm):
10.50 x 23.00
Edge Thickness ET (mm):
4.14
Center Thickness CT (mm):
7.24 ±0.10
f/#:
2.00
Bevel:
Protective bevel as needed
Shape of Back Surface:
Plano
Type:
Aspheric Lens
Wavelength Range (nm):
350 - 2200
Conjugate Distance:
Infinite
Power (diopters):
20.00

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Rectangular and Square Aspheres in 5 x 5mm to 12.5 x 25mm sizes
  • Precision Grade Aspheric Figure Error
  • Ideal for Integration into Space Sensitive Laser Systems

TECHSPEC® Truncated Precision Aspheric Lenses are truncated versions of our TECHSPEC Precision Aspheric Lenses. These aspheric lenses are CNC polished to achieve a 0.4λ (Waves) RMS aspheric figure error and then cut to square or rectangular sizes. The precision aspheric figure error of these lenses makes them advantageous for demanding imaging or laser systems requiring spherical aberration correction. TECHSPEC Truncated Precision Aspheric Lenses with their space saving form factors are ideal for integration into medical devices, life science instrumentation, and industrial laser systems. Please contact us if your application requires a TECHSPEC Aspheric Lens truncated to meet specific size requirements.