An objective of an astronomical telescope has a diameter of 12.5 cm and a focal length of 85.0 cm. When it is used with an eyepiece having a focal length of 2.50 cm and a dia meter of 1.50cm, what will be (a) the angular magnification, (b) the diameter of the exit pupil, (C) the object-field angle, (d) the image-field angle, and (e) the eye relief?
An objective of an astronomical telescope has a diameter of 12.5 cm and a focal length of 85.0 cm. When it is used with an eyepiece having a focal length of 2.50 cm and a dia meter of 1.50cm, what will be (a) the angular magnification, (b) the diameter of the exit pupil, (C) the object-field angle, (d) the image-field angle, and (e) the eye relief?
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Transcribed Image Text:An objective of an astronomical telescope has a diameter of 12.5 cm and a focal length
of 85.0 cm. When it is used with an eyepiece having a focal length of 2.50 cm and a dia
meter of 1.50cm, what will be (a) the angular magnification, (b) the diameter of the exit
pupil, (C) the object-field angle, (d) the image-field angle, and (e) the eye relief?
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