Germanium Single Lens
SKU : SLGE
It is used as a lens of a camera to observe the infrared, such as thermography.
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◦A Light of the wavelength of 1.5μm or less does not transmit, so it can also get the effect of infrared transmission filter.
◦Since there is the refractive index of 4 or more, the curvature is slower than the lens of glass.