Magnification of a 10-inch reflecting telescope with 1250mm focal length

Mitchell316 · Feb 17, 2016

Homework Statement

Find the magnification of a 10" reflecting telescope with a focal length of 1250mm and a 250mm eyepiece.

1/f=1/do+1/di
M=hi/ho=-di/do

Not really sure where to start. If you could, please explain how you got the answer. Thanks for the help!

TSny · Feb 17, 2016

Hi, MItchell.

Mitchell316 said:

Not really sure where to start.

Class notes? Textbook? Web search?