Huygenian eyepiece

noun

Huy·ge·ni·an eyepiece ˌhī-ˈgē-nē-ən-

ˌhȯi-

-ˈgen-ē-

variants also Huygens eyepiece

ˈhī-gənz-

ˈhȯi-

: a compound eyepiece used especially with achromatic objectives that consists of two plano-convex lenses separated by a diaphragm with the convex sides facing the objective

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“Huygenian eyepiece.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Huygenian%20eyepiece. Accessed 29 Nov. 2024.

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