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The Magnifying Glass That Was the Forerunner of the Microscope, How Was This Tool Found? page all

KOMPAS.com – Glass magnifier is called one of the most ancient optical devices, in the world of science. This device is also known as wolfconsist of lens convex to produce a clearer view of a small object.

The way it works is by placing the lens close to the object to be seen. However, the distance between glass magnifier with the object must be adjusted appropriately. In this way the light rays are bent towards the center of the lens.

When the light bends, and reaches the eye the lens will make the object appear much larger than it really is. It turns out, the concept of using magnifying glass has been used for a long time.

Thousands of years ago, as reported by EncyclopediaWednesday (11/6/2018) Egyptians have used crystal flakes or obsidian, a type of shiny stone to see small objects so that they can be seen better.

The Roman ruler, Emperor Nero is also known to have used gemstones to see actors on stage in a performance from a distance.

Also read: Why Clear Glass? This is the explanation according to science

Magnifying glass in that era of course different from what we know today. So, how about history? inventions that changed the world the?

According to records, the invention of the magnifying glass first created for scientific purposes. A British philosopher named Roger Bacon, is believed to be the one who invented the device.

He suspected that a piece of glass could actually be used to see small objects.

After conducting a series of experiments, he succeeded in proving that convex glass could be used to see small objects.

Guiness World Records mentions, the magnifying glass that Bacon invented was used in 1268.

Before the invention of the magnifying glass, Bacon was initially more involved in the scientific field. His most significant research and experimental contributions are regarding lenses, and their unique qualities such as reflection and refraction.

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Initially, he designed the lens to help his elderly and remote-vision colleagues continue to read and teach at Oxford.

The reason, many of his colleagues, who were forced out of work because of their poor eyesight.

Later, Bacon adapted the use of magnifying glasses as primitive glasses, allowing teachers with poor eyesight to do their job.

The forerunner of magnifying glass microscope

The invention of the magnifying glass was the forerunner of the compound microscope, in which a series of lenses were used to focus, magnify, and refocus an image, one of the basic tools used in medicine.

Also read: Before there were glasses, monks used glass stones

Reported from The New Times, Wednesday (17/3/2021), one of the first conceptions of a multi-lens magnification system was mentioned by Francastoro of Verona in his book Homocentrica year 1535.

He details the use of multiple lenses to further enhance the magnification properties.

Then, in 1590 it was possible that compound microscopes had been developed. The discovery is credited to Zacharias Janssen.

Antony van Leeuwenhoek, then developed a single-lens microscope in the late 1600s which has better power than compound microscopes.

While the sheet magnifier, consists of many lenses in the form of very narrow concentric rings. The combination is useful as a single lens, which is much thinner.

The arrangement of this magnifying glass is known as a Fresnel lens, which was developed by a French physicist, Augustin-Jean Fresnel to be applied to lighthouses.

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