How do refracting telescopes work?
Refacing telescope uses lenses for objective and eye piece.
The objective collect and focus light and the ye piece magnifies the image.
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Refracting telescopes work by using a lens to bend and focus light rays, producing an image at the eyepiece or camera. The primary lens gathers light and refracts it to form an image. The eyepiece magnifies this image for viewing.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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