The use of a two lens telescope is credited to three people of Netherlands , Hans Lippershey and Zacharias Janssen, and Jacob Metius . Galileo improved on their designs and is generally given the credit of inventing the telescope.
Robert Hooke was the first to use a two lens microscope.
After passing through the specimen, the light enters the objective lens system in a microscope. This lens system is responsible for magnifying the image of the specimen.
The achromatic lens was invented by English scientist John Dollond in the 18th century. He developed this lens design to address issues of chromatic aberration in optical instruments like telescopes and microscopes, resulting in improved image quality.
The first telescope was invented by Hans Lipperhey , a Dutch lens grinder, in 1609 when he combined two lenses.
Zacharis Janssen was a spectacle maker, and he invented the first microscope. His two tube system allowed for up to nine times magnification. Later in 1609, Galileo used a lens system with a twenty times magnification when he invented the telescope.
The two lenses on a refracting telescope are typically called the objective lens (at the front of the telescope) and the eyepiece lens (at the back of the telescope). The objective lens gathers and focuses light from distant objects, while the eyepiece lens magnifies the focused image for the viewer.
In 1822 Augustin Jean Fresnel invented the basis of the technology that went into making the Canon 70-300mm lens. The specific Canon EF 300mm lens was not invented, only modified from the original lens technology invented in 1822.
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The ability of a lens system to distinguish two points is referred to as its resolution. This is determined by factors such as the wavelength of light used and the numerical aperture of the lens. Higher resolution allows for clearer images with finer details, enabling the lens system to differentiate between closely spaced points. In optical systems, resolution is often quantified using the Rayleigh criterion, which defines the minimum distance at which two point sources can be resolved.
After passing through the specimen, the light enters the objective lens system in a microscope. This lens system is responsible for magnifying the image of the specimen.
Roger Bacon invented the magnifying glass. The magnifying glass is also called the hand lens. It was invented in 1250.
Carl Linnaeus
Zaccharias Janssen
Isaac Newton
The achromatic lens was invented by English scientist John Dollond in the 18th century. He developed this lens design to address issues of chromatic aberration in optical instruments like telescopes and microscopes, resulting in improved image quality.