July 21, 2012

Microscopy

Light Microscope
- Found in most schools
- Uses compound lenses to magnify objects
- The lenses bend or refract light to make the object beneath them appear closer
- Oil immersion lenses can improve quantity of focus and magnification
- Common magnification : 40X, 100X and 400X

Stereoscope
- Allows binocular (two eyes) viewing of larger specimens
- Magnifies 10X to 20X
- Used for thicker specimen
- Creates 3D view of specimen

Guidelines on handling the microscope
- Always carry with 2 hands
- Use lens paper for cleaning
- Do not force knobs
- Always store covered
- Keep objects clear of desk and cords

Magnification
- 3 magnifications : Scanning (Red), Low (Yellow), High (Blue)
- Ocular lends (eyepiece) has a magnification
- Total magnification = ocular lens X objective lens
- We can see better details with higher magnification powers.

2 comments:

  1. Great share friend. I have read all your post here and found it interesting to read. In fact i was able to take note all of the valuable information i was gathered specially on handling the microscopes. Thanks

    polarizing microscopes

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    Replies
    1. Thanks so much! I'm glad that you found it interesting to read them! There are more coming about Diffusion, etc. coming soon! :D

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