(a) Calculate the focal ratio. (b) Calculate the minor and major axes of the minimum size of secondary mirror that should be used with this telescope. (c) What would be the magnification when used with a 15 mm eyepiece?

icon
Related questions
Question
(a) Calculate the focal ratio.
(b) Calculate the minor and major axes of the minimum size of
secondary mirror that should be used with this telescope.
(c) What would be the magnification when used with a 15 mm eyepiece?
Transcribed Image Text:(a) Calculate the focal ratio. (b) Calculate the minor and major axes of the minimum size of secondary mirror that should be used with this telescope. (c) What would be the magnification when used with a 15 mm eyepiece?
A Newtonian telescope has a mirror diameter of 300 mm and a focal
length of 1500mm. The tube has an external diameter of 330mm and the
focal plane is 40mm outside the tube.
Transcribed Image Text:A Newtonian telescope has a mirror diameter of 300 mm and a focal length of 1500mm. The tube has an external diameter of 330mm and the focal plane is 40mm outside the tube.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer