Date post: | 24-Dec-2015 |
Category: |
Documents |
Upload: | annabelle-leonard |
View: | 252 times |
Download: | 0 times |
Parts of a microscope
• High power – magnifies 40x• Medium power – magnifies 10x• Low power – magnifies 4x
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
Total magnification
• Multiply the two magnifications together
Eyepiece Objective lens Total Magnification
10x 10x
10x 40x
10x 4x
5x 10x
5x 40x
20x 10x
20x 40x
15x 20x
25x 30x