MAGNIFICATIOMAGNIFICATIONN

By Hollyn Trudell, Hannah Bennett, Abby Kraus, and

Meredith Hauck

Defined as:Defined as:The process of

enlarging the size of something, as an optical image

Something that has been magnified; an enlarged representation, image, or model

HistoryHistoryIn the year 100 AD, the

Romans used glass to magnify objects

In 1250, Roger Bacon invented the magnifying glass

In the 1400’s, the first glasses were made

In 1590, the Dutch made the first microscope

In 1609, Galileo improved the microscope

Linear Linear MagnificationMagnification

Used for real images projected on a screen

For example, an overhead or projector

Usually measured in millimeters or inches

Angular Angular MagnificationMagnification

Used for optical instruments with an eyepiece

For example, binoculars, telescope, microscope, glasses, and a magnifying glass

Factors for Factors for MagnificationMagnification

The size of objects

The possible viewing distance from the object

The length of time needed

Uses of Magnification Uses of Magnification TodayToday

Telescopes

Magnifying Glass

Microscope

Glasses/Contacts

Overhead

Projector

Binoculars

Uses of Magnification Uses of Magnification TodayToday(cont.)(cont.)Can magnify sounds

(called amplification) such as a megaphone or microphone

Generalized term for increasing the detail of something (ideas or emotions)

Medical use

BibliographyBibliographywww.google.com

www.ask.com

www.wikipedia.org

www.microscope-microscope.org