THE1StEXPERIMENTThe Structure And Usageof the Microscope
THE 1st EXPERIMENT The Structure And Usage of the Microscope
Readyour card carefully·Pleaseyourcarrymicroscopecarefully.> Hold the arm of the microscope with right hand, takethe base with the left hand, and put it in front of youbreastDon't take down any part of themicroscope
⚫Read your card carefully ⚫Please carry your microscope carefully. ➢ Hold the arm of the microscope with right hand, take the base with the left hand, and put it in front of your breast ⚫Don’t take down any part of the microscope
[Aims]To master the structure of themicroscope and learn how to use it. To know the cell's general shapeunder the microscope
[Aims] ⚫To master the structure of the microscope and learn how to use it. ⚫To know the cell’s general shape under the microscope
[Contents andManipulationsl. The Constitution ofThe Light Microscope
[Contents and Manipulations] 1. The Constitution of The Light Microscope
pointerOcular (eyepiece)Remagnifies theimageformedbythe objective lensOcularlensBody tube TransmitsLineof visiontheimagefromtheobjective lens to the ocularPathof lightPrismArmATC22BodytubeObjectivelensesPrimaryObjectivelensesswitchhundredfoldlenses thatmagnifythespecimenfortyfoldObjectiveStage Holds thepinchcocklensesdecuplemicroscope slideinpositionSpecimenCondenser FocusesknobCondenserlightthroughspecimenlensesDiaphragm ControlstheamountIlluminatorof lightenteringthecondenserCoarsefocusingknobBasewithlluminator Light sourcesourceafiluminatorBaseswitch(b)Thepathof light (bottomtotop)Fine focusingknob(a)Principalparts andfunctionsureA-6The Compound LightMicroscope.(a)Acompoundlightmicroscope.(b)Thepathoflightthroughthe compoundmicroscope
switch pointer hundredfold fortyfold decuple Objective lenses switch knob pinchcock