Microscope notes ppt

    • [PDF File]Module 3 Microscopic techniques Lecture 14 Light Microscopy-I

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      A microscope that uses two lenses to generate the magnified image of the object is called a compound microscope. The magnified image generated by one lens is further magnified by the second lens (Figure 14.3). Magnification of a compound microscope is the product of the magnification caused by the objective and ocular (eyepiece) lenses:

    • [PDF File]Grade&7&LifeScience Lesson/UnitPlanName: &Microscope&Lab ...

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      Microscope&Study&Guide & & Here is a microscope with the major parts named. You may use this page to help you familiarize yourself with the parts of the microscope. & Here&are&the&parts&of&the&microscopes& labeledandnamedforyou.Keepthis& page&tolearnthe&parts&of&the& microscope.& & & Adjustment mechanisms (Course Focus/Fine Focus) - an ...

    • [PDF File]Lecture 14 - SOEST

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      Transmission Electron Microscope: Principle Ray diagram of a conventional transmission electron microscope (top path) and of a scanning transmission electron microscope (bottom path). The selected area electron diffraction (SAED) aperture (Ap) and the sample or speciment (Spec) are indicated, as well as the objective (Obj)

    • [PDF File]Microscopy I Light and Electron Microscopy

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      electron column in the microscope. The electron beam is absorbed or deflected by the heavy metal stains and shadows are cast onto film or a phosphorescent plate (image is a shadow) at the bottom of the column. - 2-D image - reveals internal cell structure - high resolution, high magnification

    • [PDF File]Lecture 31 Light Microscopy

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      Instrumentation of a typical light microscope-The typical diagram of a light microscope is given in the Figure 31.1. The light is produced by a lamp (with tungeston filament) as source and light rays are focused on the specimen by the condenser. The specimen is kept on the stage and firmed by clipped present on the side.

    • [PDF File]Microscope Notes - Herndon, VA

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      7. Make observations and take notes as needed before preparing to put the microscope away (#8-11). 8. Lower the stage using the coarse adjustment knob. 9. Swing the objective lens back to low power (4x). 10. Turn off light source, unplug and neatly wrap cord around microscope (NOT around lenses or light source). 11.

    • [PDF File]LIGHT MICROSCOPY Notes

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      Notes 2 LIGHT MICROSCOPY 2.1 INTRODUCTION Microscopes are instruments designed to produce magnified visual or photographic images of objects too small to be seen with the naked eye. The microscope must accomplish three tasks: produce a magnified image of the specimen, separate the details in the image, and render the details visible to the

    • [PDF File]The Microscope ­ Parts and Use

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      the year 1590. The compound microscope uses lenses and light to enlarge the image and is also called an optical or light microscope (vs./ an electron microscope) . The simplest optical microscope is the magnifying glass and is good to about ten times (10X) magnification. The

    • [PDF File]Electron Microscopy: The Basics

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      The Transmission Electron Microscope (TEM) was the first type of Electron Microscope to be developed and is patterned exactly on the Light Transmission Microscope except that a focused beam of electrons is used instead of light to "see through" the specimen. It was developed by Max Knoll and Ernst Ruska in Germany in 1931.

    • [PDF File]Introduction to Scanning Electron Microscopy

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      Quanta 200 is a state of the art electron microscope that uses a computer system in conjunction with the electronic console making it unnecessary to have bulky console that houses control knobs, CRTs, and an image capture device. All of the primary controls are accessed through the computer system using the mouse and keyboard.

    • [PDF File]USE, CARE AND MAINTENANCE OF MICROSCOPES

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      • Place the microscope in a position where there is space for the microscopist to place his or her legs fully under the bench. Preferably use height-adjustable chairs. • Do not place the microscope in front of a brightly lit window. Place it in front of a wall or a darkened window. 4.3. Microscope set-up

    • [PDF File]THE MICROSCOPE

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      A compound light microscope is the most common microscope used in microbiology. It consists of two lens systems (combination of lenses) to magnify the image. Each lens has a different magnifying power. A compound light microscope with a single eye-piece is called monocular; one with two eye-pieces is said to be binocular.

    • [PDF File]AN INTRODUCTION TO THE COMPOUND MICROSCOPE

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      microscope's ability to magnify as of its ability to distinguish detail. Merely magnifying an object, without increasing the amount of detail seen, is of little value to the observer. The ability to distinguish detail is called resolution or resolvin g power , and depends on the wavelength of light used and on a value called the numerical ...

    • [PDF File]Microscopes

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      a microscope. An important tool for studying life is the microscope. • The microscope magnifies objects so you can see their veellfetery small features. • When you put brine shrimp under a microscope, for instance, you can see many distinct features. Objective Lenses Eyepiece or Ocular Lens Arm Parts of a Microscope Stage clips Light Stage ...

    • [PDF File]Principles of Microscopy notes-2 - BioDIP

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      gallery, the microscope image is a representation or a likeness, an artefact, and it will be different from the original object. In order properly to understand microscope images, we need to understand these artefacts, and how they are produced. you look at an image of the specimen. With a microscope you don’t look at the specimen:

    • [PDF File]Microscopy - Bharathidasan University

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      •Microscopy is defined as the use of a microscope to magnify and study the small objects that are too small to be visualized with the naked eye. •Basically 3 main types: optical or light microscopy, scanning probe microscopy, and electron microscopy. • Naked eye ~ 0.1 mm • Light microscope ~ 0.1 μm • Electron microscope ~ 2.5 nm

    • [PDF File]Optical Microscope; • Scanning Electron Microscope (SEM ...

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      prototype electron microscope in 1931, capable of four-hundred-power magnification; the apparatus was the first demonstration of the principles of electron microscopy. Two years later, in 1933, Ruska built an electron microscope that exceeded the resolution attainable with an optical (light) microscope.

    • [PDF File]Microscope & Telescope Fundamentals - NTUA

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      a sample surface, with a magnification as large as 1000X for an optical microscope, and a few hundreds thousands 100000X-300000X for an electron microscope. • However, these microscopes cannot measure the vertical dimension (z-direction) of the sample, the height (e.g. particles) or depth (e.g. holes, pits) of the surface features.

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