The story
From a trade name.
Etymology from Wiktionary, CC BY-SA 4.0.
metrogon
Today it means: A kind of high-resolution, low-distortion, extra-wide photographic lens with a 90-degree field of view. Full definition →
Today it means: A kind of high-resolution, low-distortion, extra-wide photographic lens with a 90-degree field of view. Full definition →
From a trade name.
Etymology from Wiktionary, CC BY-SA 4.0.