Infographic Template Galleries

Created with Fabric.js 1.4.5 Compound Light Microscopes - A microscope in general is an optical instrument used by microbiologists and scientists to magnify and view miniscule objects. A compound microscope is a type of microscope that uses focused light and several lenses to magnify its specimen as compared to a simple microscope using only one. It works similar to a telescope but is tasked with magnifying a small object placed close to the lens rather than magnifying large object located far away such as a star. How it works 1. It has two thick convex lenses, one close to the eye called the ocular lens and the other close to the object calledthe objective lens. double click to change this title text! 2. As the object/specimen is placed under the objective lens and the light is switched on, the virtual image produced is significantly larger than the object and inverted as the distance between the object and the objective lens is longer than the focal length (f). This virtual image in the objective lens now acts as the object for the optical lens. 1. 3. The optical lens (also called eyepiece) acts as a secondary magnifying lens and magnifies the virtual image in the objective image even more to produce a larger image due to the distance between the objective lens and the ocular lens being shorter than the focal length. 4. Now the image appears magnified. Formula for microscopic magnification:Magnification Total = Magnification of objective lens x Magnification of ocular lens m = m0me Who uses this object - Microscopes are used by a variety of individuals from microbiologists to cellular pathologists who major in the study and research of objects/organisms measuring from micrometers to nanometers. Purpose of Application - The microscopes main application today is to study and observe objects that are invisible to the human eye. Subjects such as microbiology and cellular biology are predominantly the focus of using microscopes. Prior to its invention in the 16th century, microbiology and pathology was not very well understood by scientists in society who misunderstood many key concepts such as cell and germ theories. Cost of application - Compound Microscopes today are available in a range of costs from $20 for plastic ones, to $100 for commercial microscopes used in schools and homes and going up to $1500 for Industrial grade microscopes used by researchers and scientists in scientific institutions. - The microscope was invented by Zacharias Janssen in the 16th century who took several lenses (which were used as eyeglasses at the time) and put them into a tube only to find that the object on the other side was enlarged to an extent that no ordinary magnifying glass could. This sparked the discovery of the compound microscope (a microscope with more than one lens). - After the discovery of the microscope, milestones were achieved in cellular microbiology and pathology where discoveries of plant cells, human cells, germs and other developments to the microscope were made by scientists such as Robert Hooke and Anton Van. History Other types of Microscopes - Electron Microscope: High end microscopes that use electron illumination to give 3D images in high resolution and magnification. Stereoscopes: Light illuminated 3D microscopes that are ideal for larger specimens but do not have a high resolution or magnification like an electron microscope- Con-focal Microscopes: Digital microscope that uses laser light in wavelengths to scan the specimen that is placed in scanning mirrors and is then analyzed using a computer
Create Your Free Infographic!