Focal length, magnifying power, and distance question!? - how to build a refractor telescope
Do you need help with their homework and really help me learn, would do well to give an idea of how you answer them. Thanks in advance! Dish I will definitely be better for someone to answer!
They build a kind of telescope with a 4 inch f / 8 lens of the eye lens and a focal length of 1 inch.
1.) focal length?
Start the Power 2.) Del Telescope
3.) clearance required between the lens and eyepiece
Saturday, January 2, 2010
How To Build A Refractor Telescope Focal Length, Magnifying Power, And Distance Question!?
1 comment:
F is the ratio of focal length and aperture of
Increasing the focal length of the objective by the focal length of the eyepiece divided.
Distans Inbetween necessary objective and the eyepiece fl is less objective than the eye
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