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Magnification of a Telescope

Last modified by
on
Nov 7, 2024, 4:13:24 PM
Created by
on
May 20, 2017, 6:35:55 PM
`M = (F_p/F_e)`
`(F_p)"Primary Focal Length"`
`(F_e)"Eyepiece Focal Length"`
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Astronomy telescope magnification
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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.

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Kepler's 3rd Law           T² = (4π • R³)/(G • M)

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Small Angle Formula         α = S / D

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This equation, Magnification of a Telescope, is used in 2 pages
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