MICROSCOPE
coated in gold and
MICROSCOPE HISTORY electrons bounce off to give
you an exterior view of the
★ 1665 - English physicist, Robert
specimen. The pictures view
Hooke look at a silver of cork
in black and white
through a microscope lens and
noticed some “pores” or “cells” in it
★ Transmission Electron Microscope
★ Robert Hooke’s famous
○ TEM is electron illuminated.
“Micrographia” is published, which
This gives a 2-D view. Thin
outlines Hooke’s various studies
slices of specimen are
using the light microscope.
obtained. The electron
★ 1674 - Anton Van Leewenhoek built
beams pass through this. It
a simple microscope with only one
has high magnification and
lens to examine blood, yeast, insects
high resolution.
and many other tiny objects.
Leewenhoek was the first person to MICROSCOPE CARE
describe bacteria, and he invented ★ Always carry with 2 hands
new methods for grinding and ★ Never touch the lens with your
polishing microscopes finger
TYPES OF MICROSCOPE ★ Only use lens paper for cleaning
★ Do not force knobs
★ Compound Microscope
★ Keep objects clear pf desk and
○ are light illuminated. The
cords
image seen with this type of
★ When you are finished with your
microscope is tw0
scope, rotate the nosepiece so that
dimensional. This
it’s on the low power objective, roll
microscope is most
the stage down to lowest level,
commonly used. You can
rubber band the cord, then replace
view individual cells,
the dust cover.
However, it has a low
resolution.
★ Dissection Microscope
○ Is light illuminated. The
image that appears is three
dimensional. It is used for
dissection to get a better
look at the larger specimen.
You cannot see individual
cells because they have a
low magnification. Also
called Stereo Microscope
★ Scanning Electron Microscope
○ SEm use electron
illumination. The image is
seen in 3-D. It has high
magnification and high
resolution. The specimen is
coated in gold and
MICROSCOPE HISTORY electrons bounce off to give
you an exterior view of the
★ 1665 - English physicist, Robert
specimen. The pictures view
Hooke look at a silver of cork
in black and white
through a microscope lens and
noticed some “pores” or “cells” in it
★ Transmission Electron Microscope
★ Robert Hooke’s famous
○ TEM is electron illuminated.
“Micrographia” is published, which
This gives a 2-D view. Thin
outlines Hooke’s various studies
slices of specimen are
using the light microscope.
obtained. The electron
★ 1674 - Anton Van Leewenhoek built
beams pass through this. It
a simple microscope with only one
has high magnification and
lens to examine blood, yeast, insects
high resolution.
and many other tiny objects.
Leewenhoek was the first person to MICROSCOPE CARE
describe bacteria, and he invented ★ Always carry with 2 hands
new methods for grinding and ★ Never touch the lens with your
polishing microscopes finger
TYPES OF MICROSCOPE ★ Only use lens paper for cleaning
★ Do not force knobs
★ Compound Microscope
★ Keep objects clear pf desk and
○ are light illuminated. The
cords
image seen with this type of
★ When you are finished with your
microscope is tw0
scope, rotate the nosepiece so that
dimensional. This
it’s on the low power objective, roll
microscope is most
the stage down to lowest level,
commonly used. You can
rubber band the cord, then replace
view individual cells,
the dust cover.
However, it has a low
resolution.
★ Dissection Microscope
○ Is light illuminated. The
image that appears is three
dimensional. It is used for
dissection to get a better
look at the larger specimen.
You cannot see individual
cells because they have a
low magnification. Also
called Stereo Microscope
★ Scanning Electron Microscope
○ SEm use electron
illumination. The image is
seen in 3-D. It has high
magnification and high
resolution. The specimen is
