# Magnification of a Telescope

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sspickle.Magnification of a Telescope
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28ba54ff-3d8b-11e7-9770-bc764e2038f2

The Magnification of a Telescope calculator compute the magnification of a telescope based on the focal lengths of the primary mirror or lens and the eyepiece.

INSTRUCTIONS: Choose units and enter the following:

• (Fp) This is the focal length of the primary lens or mirror.
• (Fe) This is the focal length of the eyepiece.

Magnification: The calculator return the magnification of the telescope.

#### General Information

The magnification power M of a telescope is the ratio of the focal length of the primary lens or mirror FP divided by the focal length of the eyepiece Fe.