how image is formed by a telescope
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When you look through a telescope your eye adjusts its focus as if the objects are at a large distance. The telescope makes objects appear closer by increasing the angle of the ray bundles entering your eye. ... The short focal length lens forms an image of the long focal length lens image at infinity.
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Telescope is a optical devices which uses two lenses, primary lens forms a real image and a secondary lens is used as a magnifier to make an enlarged virtual image.When an object is placed farther from a convergent lens than the focal length, the lens produces an inverted, real image and enlarged image, depending how close the object is to the focal point.
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