Arm - the portion of the microscope that connects the body to the base; fiunctions as handle for carrying the microscope, Light Source - Projects light upward through the diaphragm to illuminate the specimen, Eyepiece or ocular - the lens at the viewing end of the microscope; sits on top of the body tube, Objective Lenses - the 3 lenses attached to the revolving nose piece; positioned directly above the specimen to be observed, Base - supports the entire microscope; one hand should be placed under her when carrying for support, Fine Adjustment Knob - small knob that makes the final adjustments by fine tuning the image, Coarse Adjustment knob - the large knob that moves the stage up and down for focusing, Nosepiece - allows you to switch back and forth between the different objectives, Diaphragm - disc found directly below the stage; controls the amount of light that passes through to specimen, Stage - a level platform positioned above the based of the microscope on which slides are placed, Body Tube - the round tube that joins the eye piece with the objective lenses, Stage Clips - the clips on top of the strage that allows you to hold the microscope slide in position,

microscope functions

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النمط البصري

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