slide 1 “microscope” “vision is the art of seeing things invisible” john ruskin things...
TRANSCRIPT
Slide 1
““Microscope”Microscope”
““Vision is the art of seeingVision is the art of seeing things invisible”things invisible”
John RuskinJohn Ruskin
Slide 2
Compound MicroscopesCompound Microscopes Instrument fitted with objective and eyepiece
lenses and used for viewing small objects. Use two sets of lenses to produce magnified
image (eyepiece and objective) Creates two-dimensional image (length and width)
Slide 3
Parts of the MicroscopeParts of the Microscope
Slide 4
EyepieceEyepiece
Contains the ocular lensContains the ocular lens Closest to your eyeClosest to your eye Magnifies the image produced by the objective Magnifies the image produced by the objective
lens (10x)lens (10x)
Slide 5
AdjustmentsAdjustments
Coarse Adjustment: the control used to move Coarse Adjustment: the control used to move the objective lens or stage up and down the objective lens or stage up and down during initial focusing on a specimen.during initial focusing on a specimen.
Fine Adjustment: the control used to bring Fine Adjustment: the control used to bring the specimen into sharp focus by moving the the specimen into sharp focus by moving the objective stage up and down in very small objective stage up and down in very small increments. increments.
Slide 6
Revolving NosepieceRevolving Nosepiece
The rotating device that holds the objective The rotating device that holds the objective lenses.lenses.
OBJECTIVES: Lens closest to specimenOBJECTIVES: Lens closest to specimen
High Power Objective: Lens with greater High Power Objective: Lens with greater magnification (43x, 40x)magnification (43x, 40x)
Low Power Objective: Lens with lower Low Power Objective: Lens with lower magnification ability (10x)magnification ability (10x)
Slide 7
StageStage
Supports the slide being viewedSupports the slide being viewed
Slide 8
Transporting MicroscopesTransporting MicroscopesOne hand on arm and one hand on One hand on arm and one hand on
base.base.
Slide 9
SlidesSlidesRest on stage or platform and are Rest on stage or platform and are
held in place by stage clipsheld in place by stage clips
Slide 10
Field of ViewField of View
The area visible through the microscope.The area visible through the microscope.
Slide 11
Total MagnificationTotal Magnification
Eyepiece x Objective Lens=Total MagnificationEyepiece x Objective Lens=Total Magnification
(10x) x (40x) = 400x(10x) x (40x) = 400x
(10x) x (10x) = 100x(10x) x (10x) = 100x
Slide 12
Slide 13
Best wishes with your Best wishes with your Microscope adventuresMicroscope adventures