If a Keplerian telescope uses the same objective lens (fo), in order to make the same angular magnification power of M = 5 by adding a relay lens with fr = 3cm, what is the length of this telescope?

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If a Keplerian telescope uses the same objective lens (fo), in order to make the same angular
magnification power of M = 5 by adding a relay lens with fr = 3cm, what is the length of this
telescope?
Transcribed Image Text:If a Keplerian telescope uses the same objective lens (fo), in order to make the same angular magnification power of M = 5 by adding a relay lens with fr = 3cm, what is the length of this telescope?
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