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ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses

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  • Positive or Negative Meniscus Lenses
  • CVD Grade Zinc Selenide (ZnSe) Ideal for CO2 Systems
  • Uncoated or BBAR Coated for 8 – 12µm

Common Specifications

Centering (arcmin):
<3
Clear Aperture (%):
90
Substrate:
Zinc Selenide (ZnSe), CVD Grade
Focal Length Tolerance (%):
±2
Surface Quality:
60-40
Irregularity (P-V) @ 10.6μm:
λ/20

Products

Dia. (mm) EFL (mm)  Coating   Model Number   Compare   Stock Number   Price  Buy
25.40 -25.00 Uncoated ZC-NM-25-25
25.40 -38.00 Uncoated ZC-NM-25-38
25.40 -50.00 Uncoated ZC-NM-25-50
25.40 -75.00 Uncoated ZC-NM-25-76
25.40 -100.00 Uncoated ZC-NM-25-100
25.40 -127.00 Uncoated ZC-NM-25-127
25.40 -50.00 BBAR (8000-12000nm) AR812-ZC-NM-25-50
25.40 -75.00 BBAR (8000-12000nm) AR812-ZC-NM-25-76
25.40 -100.00 BBAR (8000-12000nm) AR812-ZC-NM-25-100
12.70 13.00 Uncoated ZC-PM-12-12
12.70 50.80 Uncoated ZC-PM-12-50
25.40 25.40 Uncoated ZC-PM-25-25
25.40 38.10 Uncoated ZC-PM-25-38
25.40 50.80 Uncoated ZC-PM-25-50
25.40 76.20 Uncoated ZC-PM-25-76
25.40 101.00 Uncoated ZC-PM-25-100
25.40 127.00 Uncoated ZC-PM-25-127
25.40 150.00 Uncoated ZC-PM-25-150
38.10 38.10 Uncoated ZC-PM-38-38
38.10 50.80 Uncoated ZC-PM-38-50
38.10 63.50 Uncoated ZC-PM-38-63
38.10 101.00 Uncoated ZC-PM-38-100
38.10 127.00 Uncoated ZC-PM-38-127
38.10 203.00 Uncoated ZC-PM-38-200
50.80 50.80 Uncoated ZC-PM-50-50
50.80 76.20 Uncoated ZC-PM-50-76
50.80 101.00 Uncoated ZC-PM-50-100
50.80 127.00 Uncoated ZC-PM-50-127
50.80 203.00 Uncoated ZC-PM-50-200
12.70 25.40 BBAR (8000-12000nm) AR812-ZC-PM-12-25
12.70 50.80 BBAR (8000-12000nm) AR812-ZC-PM-12-50
25.40 25.40 BBAR (8000-12000nm) AR812-ZC-PM-25-25
25.40 38.10 BBAR (8000-12000nm) AR812-ZC-PM-25-38
25.40 50.80 BBAR (8000-12000nm) AR812-ZC-PM-25-50
25.40 63.50 BBAR (8000-12000nm) AR812-ZC-PM-25-63
25.40 76.20 BBAR (8000-12000nm) AR812-ZC-PM-25-76
25.40 101.00 BBAR (8000-12000nm) AR812-ZC-PM-25-100
25.40 127.00 BBAR (8000-12000nm) AR812-ZC-PM-25-127
25.40 150.00 BBAR (8000-12000nm) AR812-ZC-PM-25-150

Product Details

ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses feature positive and negative meniscus designs that minimize spherical aberration. Positive meniscus lenses enable smaller spot sizes than possible with PCX lenses, making them ideal for use in CO2 laser applications for precise marking or cutting. Negative meniscus lenses are used to increase the focal length when used with additional lenses, decreasing the numerical aperture of an optical system. ISP Optics Zinc Selenide (ZnSe) Meniscus Lenses are available in standard imperial sizes either uncoated or Broadband Anti-Reflection (BBAR) coated for enhanced transmission from 8 – 12µm.

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