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25.4mm Dia. x 75mm FL, Uncoated, ZnSe Plano-Convex Lens

TECHSPEC Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses

TECHSPEC Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses

Stock #39-533
£195.50 £136.85 Other Coating Options
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Qty 1-10
£195.50 £136.85
Qty 11
£175.95 £123.17
Volume Pricing
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Diameter (mm):
25.40 +0.00/-0.10
Effective Focal Length EFL (mm):
75.00 @ 10.6µm
Back Focal Length BFL (mm):
73.96
Coating:
Uncoated
Substrate:
II-VI Infrared ZnSe
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
λ
Power (P-V) @ 10.6μm:
λ/10
Irregularity (P-V) @ 10.6μm:
λ/20
Centering, ETD (μm):
≤12.7
Center Thickness CT (mm):
2.50 ±0.10
Edge Thickness ET (mm):
1.73
Radius R1 (mm):
105.20
Clear Aperture CA (mm):
22.86
f/#:
2.95
Numerical Aperture NA:
0.17
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Wavelength Range (nm):
600 - 16000
Bulk Absorption Coefficient (cm1):
<0.0005 @ 10.6μm
Surface Roughness (Angstroms):
<50 RMS

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Edmund Optics® Designed, II-VI Manufactured
  • Premier Grade ZnSe Material
  • Uncoated or Broadband AR Coating Options

TECHSPEC® Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses are designed for focusing or collimation applications in the mid-wave and longwave infrared spectrum. Manufactured by II-VI, these lenses feature Infrared ZnSe material with <0.0005cm-1 bulk absorption at 10.6µm and are available uncoated or with a variety of broadband anti-reflection coating options. The 8-12µm coating is ideal for use with CO2 lasers and thermal camera applications, whereas the dual band 3-12µm coating is ideal for hyperspectral applications. TECHSPEC® Zinc Selenide PCX Lenses feature an irregularity of <λ/20 at 10.6µm, 40-20 surface quality, and <50Å surface roughness. Three diameter options are available, with effective focal lengths ranging from 12.7mm to 200mm.

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