Focal Point

In space and astronautical engineering, the focal point refers to the point at which all the light rays coming from a distant object converge after passing through a lens or a mirror. In other words, it is the point where the image of the object is formed. The focal point is an important concept in designing optical systems for space telescopes, cameras, and other imaging devices. The distance between the lens or mirror and the focal point is called the focal length, which determines the magnification and resolution of the image. The focal point can be adjusted by changing the shape or position of the lens or mirror, or by using multiple lenses or mirrors in combination.

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Focal Point

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