An astronomical telescope longer than about 50 cm isnot
Chapter 33, Problem 33.69(choose chapter or problem)
An astronomical telescope longer than about 50 cm isnot easy to hold by hand. Based on this fact, estimate themaximum angular magnification achievable for a telescopedesigned to be handheld. Assume its eyepiece lens, if usedas a magnifying glass, provides a magnification of 5X for arelaxed eye with near point N = 25 cm.
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