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20mm Dia. x 11mm FL, Uncoated Molded Aspheric Condenser Lens

Molded Aspheric Condenser Lenses

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Stock #88-288 Other Coating Options
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S$59.25
Qty 1-10
S$59.25
Qty 11+
S$51.90
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Diameter (mm):
20.00 +0.1/-0.3
Effective Focal Length EFL (mm):
11.00 @ 587.6nm
Numerical Aperture NA:
0.91
Back Focal Length BFL (mm):
4.86
Focal Length Tolerance (%):
±7
Center Thickness CT (mm):
10.90 (nominal)
Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Clear Aperture CA (mm):
16.00
Surface Quality:
80-50 (typical)
Edge Thickness ET (mm):
2.5 ±0.3
Centering (arcmin):
≤30
Bevel:
Protective bevel as needed
f/#:
0.55
Diameter of Asphere (mm):
20.0
Radius R2 (mm):
17.7
Shape of Back Surface:
Convex
Wavelength Range (nm):
350 - 2000
Conjugate Distance:
Infinite
Focal Length Specification Wavelength (nm):
587.6

Regulatory Compliance

RoHS 2015:
Reach 223:
Certificate of Conformance:

Product Family Description

  • Hardened for Improved Durability
  • High Numerical Apertures
  • Ideal for Illumination Applications

Molded Aspheric Condenser Lenses are pressed, hardened, and annealed to meet precise optical and mechanical specifications. The hardening process improves the durability of the lenses, making them less susceptible to thermal shock and scratching than traditionally polished lenses. These Molded Aspheric Condenser Lenses are ground and polished on the second surface, enhancing the overall precision of the lenses. Molded Aspheric Condenser lenses are ideal for a wide range of illumination and detection applications, including biotech instruments such as DNA sequencers and polymerase chain reaction (PCR) testing platforms.

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