Microscopy

• What year was the first microscopes made?

  1590
• The first microscopes were made by Dutch eyeglass makers named?

  Hans and Zacharias Janssen
• He was the first to use the term “cells”

  Robert Hooke
• He was the first one who observed what he called the “animalcules”

  Antonie van Leeuwenhoek
• When were microscopes made available?

  1950
• It is where you look through to view the object placed on the stage

  Eye piece
• It holds the eyepiece lens in place


  Eye piece tube
• It connects the eyepiece to the objective lenses

  Body tube
• It allows quick focusing by moving the body tube/stage up or down

  Coarse adjustment knob
• It is used for precision focusing at higher magnifications​

  Fine adjustment knob
• It is the revolving part that contains the objective lenses

  Revolving Nosepiece
• For image formation; Play a big role in establishing quality of images

  Objectives
• What is the x of the scanning lens?(red)

  4x
• What is the x of the LPO lens?(yellow)

  10x
• What is the x of the HPO lens?(blue)

  40x
• What is the x of the oil immersion lens?(white)

  100x
• It is the main frame to which the base and other parts are attached

  Arm
• It serves as the support of the microscope

  Base
• It holds the slide in place​

  Stage clips
• Wheel-shaped device that regulated the amount of light passing the specimen

  Diaphragm
• Reflects light to the lens of the microscope

  Mirror
• Supports the microscope and slide; contains an opening in the middle

  Stage