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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

12mm Diameter x -48 FL, VIS-NIR, Inked, Plano-Concave Lens

TECHSPEC VIS-NIR Coated Plano-Concave (PCV) Lenses

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Stock #45-918-INK Other Coating Options
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S$78.66
Qty 1-9
S$78.66
Qty 10+
S$70.14
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Diameter (mm):
12.00 ±0.025
Effective Focal Length EFL (mm):
-48.00
Back Focal Length BFL (mm):
-50.31
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Center Thickness CT (mm):
3.50
Center Thickness Tolerance (mm):
±0.05
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
<1
Clear Aperture CA (mm):
11.00
Edge Thickness ET (mm):
4.12
Radius R1 (mm):
-24.81
f/#:
4.00
Numerical Aperture NA:
0.13
Bevel:
Protective bevel as needed
Type:
Plano-Concave Lens
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 1000

Regulatory Compliance

RoHS:

Product Family Description

  • AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm
  • <0.25% Reflectance @ 880nm
  • Designed for 0° Angle of Incidence
  • Various Coating Options: Uncoated, MgF2, VIS 0°, YAG-BBARNIR I, and NIR II

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

Technical Information

Technical Information

Technical Information

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