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6.25mm Dia x -6.25mm FL Uncoated, Cylinder Lens

Stock #46-191
€45.00
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Qty 1-5
€45.00
Qty 6-25
€36.00
Qty 26+
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Diameter (mm):
6.25 +0.0/-0.2
Effective Focal Length EFL (mm):
-6.25
Back Focal Length BFL (mm):
-6.91
Center Thickness CT (mm):
1.00
Center Thickness Tolerance (mm):
±0.1
Substrate:
N-BK7
Coating:
Uncoated
Edge Thickness ET (mm):
3.38
f/#:
1.00
Focal Length Tolerance (%):
±3
Numerical Aperture NA:
0.50
Radius R1 (mm):
-3.24
Surface Quality:
60-40
Type:
Cylinder Lens, Plano-Concave
Wavelength Range (nm):
350 - 2200
RoHS:

Product Family Description

  • Cylinder Lenses Ideal for 1 Dimensional Laser Beam Convergence
  • Circular and Rectangular Form Factors
  • Multiple Coating Options Available

Illumination PCV Cylinder lenses are commonly used to turn a collimated laser source into a line generator. PCV and PCX oblong cylinder lenses can be used together for beam expander applications.

The thin lens approximation for the length of a line generated by a negative cylinder lens is: L = 2 * (r0/f) * (z + f) where L is the line length, r0 is half the beam diameter, z is the projection distance, and -f is the focal length of the lens.

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