The microscope is an instrument that increases the size of an image and allows you to see more details than would be possible to see with the naked eye. There is a wide variety of microscopes, of which the ecological microscope is of relevance.
The eco-microscope is an optical microscope model designed to reduce harm to the body and environmental pollution. It has a distinctive 100x water immersion objective. Microscopes usually have 3 to 4 objectives with different magnification each, which can be selected according to desire, thanks to stirring.There are two basic types of targets: dry targets and immersion targets. The distinction between these two types of objectives is based on the medium between the sample and the objective. Dry objectives do not use any medium between the sample and the objective other than air. While immersion objectives use immersion liquid, conventionally oil.
How is the ecological microscope different from the ordinary microscope?
Their differences are denoted in the objectives and the immersion liquids used in each of them. The conventional microscope uses immersion oil, commonly cedar oil, and its immersion objective is designed for this purpose. While the ecological microscope version has a 100x water immersion objective, which uses water on specimens with cover objects instead of oil.
When cells are to be observed in deep tissues, water immersion lenses show superior performance in terms of resolution and aberration correction compared to oil immersion lenses.
Water immersion objectives are ideal for investigating cell dynamics within living tissues where major events can occur deep within the specimen and away from the cover slip.
History of the ecological microscope
The microscope has been around since 1590, invented by Zacharias Janssen. But it was in 1840 that the Italian optician Giovanni Battista Amici built the first immersion lens. In 1853 he designed a water immersion lens and presented it in 1855 in Paris. Robert Toll (1820-1883) in 1858 devised a microscope with interchangeable front lenses (one for work in a dry state, and another for immersion in water). Hartnal Edmund (1826-1891) showed his first water immersion lenses with a corrective lens in 1859. In the next five years he sold about 400 pieces. This produced a considerable boom in the production of immersion lenses in water among the majority of German manufacturers of microscopes, like Bruno Hazert in Eisenach; Kellneren Wetzlar; G & S Merz in Munich; and Hugo Schroeder in Hamburg. However, Hartnal immersion lenses were still considered the best. It was thus that through the years the microscope evolved with new technologies, what today we know as an ecological microscope.
How does this microscope model contribute to the ecological environment?
The conventional objective, when using cedar oil as immersion oil, requires that after being used it be cleaned with ether, alcohol or xylene, this can cause poor cleaning and air pollution around the microscope. Whereas the water immersion objective, as the name implies, uses water as the immersion medium. In this way the problems of cleaning and contamination are eliminated and the ecology is contributed.
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