Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 252
enables the eye to form an imageof the image by rendering therays again parallel. These pa-rallel rays then enter the eyejust as the rays do in ordinaryvision. A telescope, then, is a com-bination of lenses. 468. In the figure, for in-stance, let A represent the firstor front lens, called the… … 2i8 ASTRONOMY. the b;am of rays from which is seen falling on the object-glass from the left. This beam is refracted, and we get aninverted image at the focus of the object-glass, which isalso the focus of the eye-lens. Now, the rays leave theeye-piece adapted for vision as they fall on the…
Astronomy · Solar system
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