eyepiece lens

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Mount Everest (Mt. Everest, mountains, Himalayas).

Is Mount Everest Really the Tallest Mountain in the World?

Saguaro cacti dot the Sonoran Desert landscape at Saguaro National Park, Arizona. Formerly Saguaro National Monument cactus

Can You Drink Water from a Cactus?

Jackson (Wyoming, United States). Jackson Lake (also called Jackson Hole), southern end of the Teton Range (the Grand Tetons), Grand Teton National Park, Wyoming, USA

7 Wonders of America

Christmas tree, holiday, pine

How Did the Tradition of Christmas Trees Start?

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

eyepiece lens

astronomy

Learn about this topic in these articles:

application in telescopes

In telescope: Refracting telescopes
…lens, referred to as the eyepiece lens, is placed behind the focal plane and enables the observer to view the enlarged, or magnified, image. Thus, the simplest form of refractor consists of an objective and an eyepiece, as illustrated in the diagram.
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