25mm Dia. x 25mm FL, Aspheric Condenser Lens

Diameter (mm):

25.00 +0.0/-0.2

Effective Focal Length EFL (mm):

25.00

Numerical Aperture NA:

0.50

Back Focal Length BFL (mm):

19.4

H-K51

Focal Length Tolerance (%):

±5

Coating:

Uncoated

Centering (arcmin):

≤30

Surface Quality:

80-50 (typical)

Clear Aperture CA (mm):

22.5

Edge Thickness ET (mm):

1.81

Center Thickness CT (mm):

8.50 ±0.30

f/#:

Bevel:

Protective bevel as needed

Diameter of Asphere (mm):

Radius R₂ (mm):

∞

Shape of Back Surface:

Plano

Wavelength Range (nm):

350 - 2000

Conjugate Distance:

Infinite

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

Product Family Description

Molded Illumination Lenses
Aspheric or Spherical Designs
High Numerical Apertures

Condenser Lenses are molded lenses designed for illumination applications. Featuring large apertures and short focal lengths, Condenser Lenses are commonly used in emitter-detector applications, projection applications, or condensing illumination applications such as Koehler Illumination. The Aspheric Condenser Lenses are molded on the aspheric surface and ground and polished on the opposite face, offering superior performance. The Plano-Convex (PCX) Condenser Lenses are molded on both surfaces, offering excellent value.

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