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Determine the minimum size for the secondary mirror

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Reference no: EM13952376

A Newtonian telescope uses a curved mirror to focus light from a star. A flat mirror called a secondary mirror intercepts the converging light and redirects the light 90 degrees to the side of the telescope for viewing.

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Determine the minimum size for the secondary mirror so that it collects all the light from a 200mm diameter mirror operating at f/6 for objects subtending up to 0.5 degrees. What is the focal length of an eyepiece that will give you an exit pupil diameter of 7mm?

Reference no: EM13952376

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