This section provides an overview for magnifying glasses as well as their applications and principles. Also, please take a look at the list of 10 magnifying glass manufacturers and their company rankings.
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A magnifying glass is an optical instrument that magnifies an object and is also called a loupe. It is widely distributed as a familiar tool, although the magnifying power is usually in the low single digits.
It is called a magnifying glass because it is used for observing insects and other small items, and along with microscopes and binoculars. It is one of the optical instruments that have been familiar to us since childhood.
Recently, magnifying glass with plastic lenses have been introduced, and their use continues to expand.
Magnifying glasses are widely used for a wide variety of purposes, from familiar everyday use to inspection equipment at production sites, magnification of treatment sites in the medical field, and appraisal of jewelry, etc.
Even magnifying glasses used in daily life have become larger and lighter with the use of plastic lenses, and new products such as illuminated or eyeglass-type glasses are being developed one after another, making them even more familiar to people.
Furthermore, magnifying glasses are now used as a function of smartphones, although the mechanism is different, and the name "magnifying glasses" has become a well-known tool for people of all ages and both sexes.
Unlike magnifying glasses, which are adjusted for each person's eyesight and other factors, the commonly available magnifying glass requires the user to adjust the focus when using them.
The introduction of eyeglass-type magnifying glasses has made magnifying glass more accessible to the public.
However, with the improvement of resin manufacturing technology, many magnifying glasses are now available with resin lenses that are lightweight, unbreakable, and easy to use, even when dropped.
As magnifying glasses become more compact in the medical and production fields, the parts used in them are becoming smaller and smaller. The number of situations in which even people with standard vision need to use magnifying glasses to work is increasing.
In addition, plastic lenses have encouraged the fashionable use of magnifying glasses, and more colorful products are being produced, making magnifying glasses an increasingly accessible tool for young people.
*Including some distributors, etc.
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Shinwa Rules Co. was founded in Niigata, Japan, in 1971. Shinwa Rules Co. develops a variety of measuring products including calipers, thermometers, hygrometers, laser optical apparatuses, and sheet heating elements. Above these, Shinwa develops metallic rulers and squares. Additionally, Shinwa operates as an OEM supplier for special calibrations and machine tools, special surface fabrication, and etching on metallic parts.
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