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40mm Dia. x 80mm FL Uncoated, DCX N-K5 Lens

Diameter (mm):
40.00 +0.00/-0.10
Effective Focal Length EFL (mm):
80.00
Back Focal Length BFL (mm):
77.33
Coating:
Uncoated
Substrate:
N-K5
Surface Quality:
40-20
Focal Length Tolerance (%):
±1
Centering (arcmin):
<1
Center Thickness CT (mm):
8.00
Center Thickness Tolerance (mm):
±0.1
Edge Thickness ET (mm):
3.07
Clear Aperture CA (mm):
39.00
f/#:
2.00
Numerical Aperture NA:
0.25
Focal Length Specification Wavelength (nm):
587.6
Radius R1=-R2 (mm):
82.29
Type:
Double-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
330 - 2500
RoHS:

Product Family Description

  • N-K5 Substrate
  • Various Anti-Reflection (AR) Coatings
  • PCX and DCX Options Available

N-K5 Lenses are available in various diameters, focal lengths, as well as Plano-Convex and Double-Convex form factors. Anti-reflective coatings covering the VIS to NIR make these ideal for multiple applications.

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