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ocular lens / eyepiece objective lenses body tube base coarse adjustment knob fine adjustment knob stage stage clips diaphragm arm revolving nosepiece.

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Presentation on theme: "ocular lens / eyepiece objective lenses body tube base coarse adjustment knob fine adjustment knob stage stage clips diaphragm arm revolving nosepiece."— Presentation transcript:

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2 ocular lens / eyepiece objective lenses body tube base coarse adjustment knob fine adjustment knob stage stage clips diaphragm arm revolving nosepiece light source / illuminator condenser PARTS OF THE COMPOUND LIGHT MICROSCOPE

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4 ocular lens/eyepiece objective lenses body tube base coarse adjustment knob fine adjustment knob stage stage clips diaphragm arm revolving/rotating nosepiece light source/ illuminator condenser PARTS OF THE COMPOUND LIGHT MICROSCOPE

5 Ocular Lens / Eyepiece Contains a lens to _______ the image of the specimen. The usual magnification is ___ X. magnify 10 PARTS OF THE COMPOUND LIGHT MICROSCOPE

6 Ocular Lens / Eyepiece Contains a lens to _______ the image of the specimen. The usual magnification is ___ X. Some microscopes have ___ ocular lenses. magnify 10 two PARTS OF THE COMPOUND LIGHT MICROSCOPE

7 to correctly _____ the light from the specimen into the viewer’s eye. Body Tube It ________ the eyepiece to the objective lenses. connects It ensures the correct ________ of the microscope components alignment direct PARTS OF THE COMPOUND LIGHT MICROSCOPE

8 (the other should be under the ____). One ____ should be around the arm when _______ the microscope Arm It ________ the body tube to the base. connects hand carrying base PARTS OF THE COMPOUND LIGHT MICROSCOPE

9 One ____ should be around the arm when _______ the microscope It ________ the body tube to the base. connects hand carrying Arm (the other should be under the ____). base PARTS OF THE COMPOUND LIGHT MICROSCOPE

10 (the other hand should be holding the arm). It contains the _________ and __________. It ________ the weight of the microscope. One hand should be _____ the base while _______ the microscope Base supports electronics carrying light source under PARTS OF THE COMPOUND LIGHT MICROSCOPE

11 It contains the _________ and __________. It ________ the weight of the microscope. Base supports electronics light source (the other hand should be holding the arm). One hand should be _____ the base while _______ the microscope carrying under PARTS OF THE COMPOUND LIGHT MICROSCOPE

12 and through the ____ in the stage onto the ________ on the slide. Light Source / Illuminator It sends light _______ through the _____________ hole specimen condenser lens upwards PARTS OF THE COMPOUND LIGHT MICROSCOPE

13 and through the ____ in the stage onto the ________ on the slide. Light Source / Illuminator It sends light _______ through the _____________ Older microscopes used to use ______ to ______ the ambient light upwards. hole specimen condenser lens mirrors upwards mirror reflect PARTS OF THE COMPOUND LIGHT MICROSCOPE

14 Revolving/Rotating Nose Piece The _____________ are attached to it. _______ the nose piece allows you to _____ between the different lenses. objective lenses Rotating switch PARTS OF THE COMPOUND LIGHT MICROSCOPE

15 Objective Lenses These lenses further _______ the image of the specimen. magnify The magnifications are usually ___, ____ and ____. 4 4 X X X 4 4 X X X There are usually __ lenses 3 PARTS OF THE COMPOUND LIGHT MICROSCOPE

16 Objective Lenses These lenses further _______ the image of the specimen. magnify There are usually __ lenses 3 but some have __ lenses. 4 The magnifications are usually ___, ____ and ____. 4 4 X X X PARTS OF THE COMPOUND LIGHT MICROSCOPE

17 but the field of view (visible area) becomes _______. Objective Lenses PARTS OF THE COMPOUND LIGHT MICROSCOPE As the power increases, the magnification becomes _____, larger smaller

18 The ____ knob you should use, and always under ___ power. Never use it in ____ power. Coarse Adjustment Knob low first high PARTS OF THE COMPOUND LIGHT MICROSCOPE

19 The ____ knob you should use, and always under ___ power. Never use it in ____ power. to help put the specimen in _____. Both knobs move the _____ up and down focus The ______ knob you should use under ______ power second higher stage Fine Adjustment Knob low first high exact for _____ focusing. PARTS OF THE COMPOUND LIGHT MICROSCOPE

20 Some microscopes have the two knobs located ___________________. Fine Adjustment Knob one on top of the other PARTS OF THE COMPOUND LIGHT MICROSCOPE The smaller one on the bottom is always the ____ adjustment knob. fine

21 Stage The stage is where you place the ____ which contains the ________. slide specimen It contains a ____ that allows ____ to pass through the stage and onto the specimen. hole light PARTS OF THE COMPOUND LIGHT MICROSCOPE

22 Stage Clips The stage is where you place the ____ which contains the ________. slide specimen The stage clips ______ the slide on the stage. secure It contains a ____ that allows ____ to pass through the stage and onto the specimen. hole light PARTS OF THE COMPOUND LIGHT MICROSCOPE

23 The lens under the stage that ___________ from the illuminator through to the ____ in the stage. focuses light Condenser Lens hole PARTS OF THE COMPOUND LIGHT MICROSCOPE

24 The lens under the stage that ___________ from the illuminator through to the ____ in the stage. focuses light Diaphragm hole It contains a dial that rotates to _____ the _____________ that reaches the specimen. adjust amount of light PARTS OF THE COMPOUND LIGHT MICROSCOPE

25 Making a Wet-Mount Slide 1.Place 2-3 drops of liquid in the center of the slide 2.Add specimen to the liquid 3.Add cover slip at a 45 degree angle

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27 Created by Anh-Thi Tang – Tangstar Science Copyright © April 2013 Anh-Thi Tang (a.k.a. Tangstar Science) All rights reserved by author. This document is for personal classroom use only. This entire document, or any parts within, may not be electronically distributed or posted to any website.


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