Telescopes

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Refracting telescopes

(http://lcogt.net/files/styles/fourcol-image/public/jbarton/refractraydiagram.jpg)

What is refraction?

Refraction takes place when light passes through a material and it changes direction. 

Objective lense: 

This lense is large to collect lots of light. 

Eyepiece lense:

This lense is smaller so it makes the light parallel from the objective lense. 

The focal point

The focal point is the section where the light meets. This is the stage where the image is flipped the

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