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26.5mm Dia. x 18mm FL, Uncoated, Molded Condenser Lens with Rough Diffuser

Molded Diffuse Aspheric Condenser Lenses

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Stock #22-682 3-5 days
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S$50.75
Qty 1-10
S$50.75
Qty 11+
S$45.67
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Diameter (mm):
26.50 ±0.20
Effective Focal Length EFL (mm):
18.00
Numerical Aperture NA:
0.67
Back Focal Length BFL (mm):
10.50
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Liba2000+
Focal Length Tolerance (%):
±7
Coating:
Uncoated
Centering (arcmin):
≤25
Surface Quality:
As Molded
Clear Aperture CA (mm):
21.60
Edge Thickness ET (mm):
2.50
Center Thickness CT (mm):
11.37 ±0.20
f/#:
0.75
Bevel:
Protective bevel as needed
Diameter of Asphere (mm):
24
Radius R2 (mm):
Plano
Shape of Back Surface:
Plano
Wavelength Range (nm):
350 - 2000
Conjugate Distance:
Infinite
Note:
Maximum of 5 imperfections allowed with an area of 0.8mm, per ISO 10110-7 specification of 5/5 x 0.63. Click here for more information on the ISO 10110 surface quality specification.
Grit: Grit of the material used to process the diffuse surface of the substrate. Surface finish may vary slightly between pieces.
Rough

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Family Description

  • Combine a Condenser and Diffuser into One Element
  • Fine, Medium, and Rough Diffuser Surface Textures
  • Provide Diffuse, Homogenous Illumination
  • Condenser Lenses and Diffusers Also Available

Molded Diffuse Aspheric Condenser Lenses combine a condenser lens and a diffuser into one optical element to simplify illumination systems. These lenses collimate light from LEDs and other light sources to provide homogenous illumination with greater efficiency than using a condenser lens with a ground glass diffuser. Lenses are available with three molded diffuser surface textures (fine, medium, and rough) with coarser textures providing a higher degree of diffusion but lower transmission. Molded Diffuse Aspheric Condenser Lenses feature durable glass substrates, enabling their use with low to high power LEDs, and are ideal for space constrained systems requiring diffuse, homogenous illumination.

Technical Information

MOLDED DIFFUSE ASPHERIC CONDENSER LENSES
Regular Condenser Lens Condenser Lens with Smooth Diffuser Conenser Lens with Medium Diffuser Condenser Lens with Rough Diffuser
Light collimated from an LED using a regular condenser lens and condenser lenses with a diffuser surface. As the texture of the diffuser surface becomes rougher, the level of diffusion increases.