The Microscope

Parts of a microscope Arm – basic frame, used to carry microscope

Parts of a microscope Base – bottom stand, houses the light source

Parts of a microscope Body tube – contains mirrors to reflect light into the eyepiece

Parts of a microscope Eyepiece – ocular lens, nearest the eye, magnifies the image 10x

Parts of a microscope Nosepiece – rotating part that holds the three objective lenses

Parts of a microscope Objective lenses – lens closest to the specimen, magnifies the image

Parts of a microscope High power – magnifies 40x Medium power – magnifies 10x Low power – magnifies 4x

Parts of a microscope Stage – flat, table-like surface where the slide is placed

Parts of a microscope Stage clips – hold the slide on the stage

Parts of a microscope Diaphragm – disk-shaped device below the stage that controls the amount of light passing through the slide

Parts of a microscope Corse adjustment knob – roughly focuses the image by moving the stage up or down quickly

Parts of a microscope Fine adjustment knob – clarifies the image by moving the stage small distances slowly

Parts of a microscope Light source – the beam of light that passes through the slide

Use of the Microscope Page 947

Magnification The number of times an object’s apparent size is increased by the lenses

Total magnification Multiply the two magnifications together Eyepiece Objective lens Total Magnification 10x 40x 4x 5x 20x 15x 25x 30x

Parts of the microscope