Transcript MAGNIFICATION

MAGNIFICATION
By Hollyn Trudell, Hannah Bennett,
Abby Kraus, and Meredith Hauck
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
History
In 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 Magnification
Used for real images
projected on a
screen
For example, an
overhead or
projector
Usually measured in
millimeters or inches
Angular Magnification
Used for optical
instruments with
an eyepiece
For example,
binoculars,
telescope,
microscope,
glasses, and a
magnifying glass
Factors for Magnification
The size of objects
The possible
viewing distance
from the object
The length of time
needed
Uses of Magnification Today
Telescopes
Magnifying Glass
Microscope
Glasses/Contacts
Overhead
Projector
Binoculars
Uses of Magnification Today
(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
Bibliography
www.google.com
www.ask.com
www.wikipedia.org
www.microscope-microscope.org