Geometrical Optics

Contents

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Contents

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Angular Magnification

Angular Magnification

Astronomical Telescope

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Angular Magnification:

Example 1:

Example 2:

Example 3:

"Objective lens:"

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"Magnification:"

Design problems

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Design problems?

Terrestrial Telescope

"Porro Prism"

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Design problems?

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"Field lens:"

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Zoom Telephoto lens

Contents

The Microscope

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Magnification of the Microscope:

Numerical Aperture

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 Contents

Parts of the lensmeter

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Neutralizing Add power

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References