Light Microscope2012 By: Miss Hiam Osama Mulla and Miss Masha'el Abdullah AlrasheedPresentation Transcript
WHAT’S MICROSCOPE ? WHAT’S MICROSCOPY ?Microscope : Microscopy :an instrument The use of used to see microscopes objects that in all their are too small variousfor the naked forms eye.
TYPES OF MICROSCOPES Light Microscope
TYPES OF MICROSCOPES Electron Microscope
PRINCIPLE OF LIGHT MICROSCOPYTo magnify an object the light microscope uses a system of lenses ( ocular and objectives) to manage the bath of a lightbeam that travels between the object being studied and the eye
H O W T O C O R R E C T LY U S E A MICROSCOPE
PA R T S O F T H E L I G H T M I C R O S C O P E
OBJECTIVE LENSES Onion epidermis10X 40X 100X
T O TA L M A G N I F I C AT I O N P O W E R OF MICROSCOPEOcular lens Objective lens Ocular lens = 10 Objective lens = 4 , 10 , 40 , 100
CARE OF MICROSCOPETransport the microscope properly. Always carryyour microscope with two hands: one holding the base and the other the armRemember to clean both the ocular lenses and the objective lenses using lens paper . Plug in your microscope before powering it on .
CARE OF MICROSCOPEWhen you are finished , rotate the nosepiece so that its on the low power objective, roll the nosepiece so that its all the way down to the stage, then replace the dust cover.Clean all slides, materials, and work area when youre done
Done by .. Hiam Osama MullaMshaa’el Abdullah Al-Rasheed