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Typically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one with a focal length of 2.4 cm and we wish to make a 11x astronomical telescope wit What objective focal length shall we use, and how long will the telescope end up? a = cm Length between lenses = cm

Typically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one with a focal length of 2.4 cm and we wish to make a 11x astronomical telescope wit What objective focal length shall we use, and how long will the telescope end up? a = cm Length between lenses = cm

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Typically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one with a focal length of 2.4 cm and we wish to make a 11x astronomical telescope with it. What objective focal length shall we use, and how long will the telescope end up? fo = cm Length between lenses = cm
Transcribed Image Text:Typically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one with a focal length of 2.4 cm and we wish to make a 11x astronomical telescope with it. What objective focal length shall we use, and how long will the telescope end up? fo = cm Length between lenses = cm
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