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4.5mm Dia. x 4.5mm FL Uncoated, Double-Convex Lens

Stock #45-176
A$60.80
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Qty 1-9
A$60.80
Qty 10-24
A$54.72
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Diameter (mm):
4.50 +0.0/-0.025
Back Focal Length BFL (mm):
3.70
Effective Focal Length EFL (mm):
4.50
Coating:
Uncoated
Substrate:
N-LASF44
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Centering (arcmin):
30-45, typical
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
2.60
Center Thickness Tolerance (mm):
±0.1
Edge Thickness ET (mm):
1.80
Radius R1=-R2 (mm):
6.58
Clear Aperture CA (mm):
4.05
f/#:
1.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.50
Type:
Double-Convex Lens
Wavelength Range (nm):
350 - 2300
RoHS:

Product Family Description

  • Wavelength Range of 350-2200nm
  • Precision Diameter and Centration Tolerances Allow for Easy OEM Integration
  • Wide Variety of Diameters, Focal Lengths, and Coatings
  • Anti-Reflection Coating Options: MgF2, VIS 0°, VIS-NIR, NIR I, NIR II, VIS-EXT, and YAG-BBAR

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.

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