Optical axis

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

An optical axis is an imaginary line that passes through the geometrical center of an optical system such as a camera lens, microscope or telescopic sight. Lens elements often have rotational symmetry about the axis.

Excerpt from the Wikipedia article “Optical axis”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: The original uploader was Dbfls at French Wikipedia., CC BY-SA 3.0, via Wikimedia Commons.