Optical Instruments351(a) The angular magnification (or magnifying power) of the telescope is then 0.833 m7.500.111 moefmf+===+(b) The length of the telescope is 0.833 m0.111 m0.944 moeLf f=+=+=25.29(a) From the thin lens equation, pfqpf=−, so the lateral magnification by the objective lens is ( )M hhqpf p f′−=− −. Therefore, the image size will be fhfhhMhpffp− =−−′(b) If pf>>, then and fp p−≈−f hhp′≈−(c) Suppose the telescope observes the space station at the zenith. Then, ()( )-334.00 m
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