PPT-Parts of a Light Microscope

How to Focus on Specimen Turn on light source on high Turn the objective to low 4x Lower the objective lens so that it is close but not touching the slide Center the image by moving the stage Adjust the diaphragm for optimum light. History. Types. Care. Parts. Focusing. Diggs?. Hans and . Zcharias. Janssen?. Who invented the microscope?. Antony van . Leeuwenhook. Who really used the microscope?. He figured out that living things are made of cells.. CONCEPTS EXPLORED IN THIS LESSON. ocular lens / eyepiece. body tube. arm. base. light source/illuminato. r. revolving/rotating nosepiece. objective lenses. coarse adjustment knob. fine adjustment knob. Why do scientists use Microscopes?. Microscopes. Target . #9- . I can describe the compound light microscope. Microscopes are tools that extend our vision by making objects like cells, and atoms visible. . 2. Compound Light Microscope. Used to observe small objects. Magnifies images up to 2000X their size. 3. Different parts of a microscope. copyright cmassengale. SCI.9-12.B-1.2. - [Indicator] - Use appropriate laboratory apparatuses, technology, and techniques safely and accurately when conducting a scientific investigation. Compound Light Microscope. The microscope pictured on the right is referred to as a . compound light microscope. . The term light refers to the method by which light transmits the image to your eye. . Light Microscope. Simple – uses a single lens. Compound – uses a set of lenses or lens systems. Simple Light Microscope. Compound Microscope. Mechanical Parts. Used to support and adjust the parts. Light Microscope. Simple – uses a single lens. . Compound – uses a set of lenses or lens systems (this is the type of microscope we use in class, it has the eyepiece lens (ocular) and the objective lens). Specimen Preparation. Microscope. Basics. T. Trimpe 2005 http://sciencespot.net/. Microscopes . are . scientific instruments . designed to produce magnified visual or photographic images of small . Depth of . f. ield: small. Magnification. Uses lenses arranged in series, made of optical material that bends light. All magnification takes place via lenses. Uses . diascopic. illumination (that is, light is transmitted through the specimen). Magnification up to about 1000x.. Parts of a microscope. Can you guess the parts of the microscope?. How di d you do?. . The . part. of the microscope . you look through to see an image. . . Ocular lens . (Eye Piece). This part of the microscope . Animal and Food Science Department. Brigham Young University Idaho. Introduction:. A microscope is a tool that allows us to view things that are to small to see with the naked eye. The most common microscope is the compound light microscope. By the end of this topic, you will be able to:. Name the parts of the microscope and their functions.. Use the microscope to observe biological specimens. Know the difference between the light microscope and the electron microscope. DEPARTMENT OF MICROBIOLOGY MTN COLLEGE MADURAI. Definition :  An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects  especially of obje To explain the advantages of using an Electron Microscope . To be able to carry out Simple Magnification Calculations. .