What do you understand by the normal adjustment of telescope?
Answer (1)
24th Mar, 2022
Hello,
Telescope in normal adjustment means the final image is formed at infinity. The magnification in a telescope is given by the ratio of focal length of objective lens to the focal length of eye-piece.
In normal adjustment, the length and magnifying power of an astronomical telescope are 80 cm and 15 respectively.
Thank you.
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