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T-LF5394-E - Ø1" CaF2 Negative Meniscus Lens, f = -1000.0 mm, AR-Coated: 2 - 5 µm

Fosco Connect Part No.: T-LF5394-E

  • $ 678.00 or



T-LF5394-E - Ø1" CaF2 Negative Meniscus Lens, f = -1000.0 mm, AR-Coated: 2 - 5 µm

Product Drawing

  • Vacuum-Grade Calcium Fluoride Substrate
  • Ø1/2" and Ø1" Versions Available
  • Broadband AR Coating for the 2 - 5 μm Range
  • Focal Lengths from -20.0 mm to -1000.0 mm
AR Coating Range 2 - 5 μm
Reflectance over
AR Coating Range @ 0° AOI
Ravg < 1.25%
Diameters Available 1/2" or 1"
Diameter Tolerance +0.00/-0.10 mm
Thickness Tolerance ±0.1 mm
Focal Length Tolerance ±2%
Surface Quality 40-20 (Scratch-Dig)
Spherical Surface Power 3λ/2
Spherical Surface Irregularity
(Peak to Valley)
λ/2
Centration <3 arcmin
Clear Aperture >90% of Diameter
Design Wavelength 4 μm
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