Axis ANVE Exam - Topic 8 Question 124 Discussion

Actual exam question for Axis's ANVE exam

Question #: 124
Topic #: 8

[All ANVE Questions]

Why is germanium used for thermal camera lenses?

AIt is inexpensive

BIt has a low index of refraction

CIt has high optical dispersion

DIt is transparent to the infrared wavelengths

Show Suggested Answer

Suggested Answer: D

Germanium is used for thermal camera lenses because it is transparent to infrared wavelengths. This transparency allows infrared radiation to pass through the lens and reach the camera sensor, enabling the capture of thermal images. Germanium's optical properties make it an ideal material for thermal imaging applications. Reference: Axis Communications thermal camera specifications and technical documentation.

by Veronique at Apr 09, 2026, 06:06 AM

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Kassandra

3 days ago

I think germanium is used because it's transparent to infrared wavelengths, but I'm not completely sure if that's the only reason.

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