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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.

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10y ago
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5mo ago

Galileo improved upon Janssen's simple microscope by adding a focusing device that allowed for better magnification and clearer images. He also made adjustments to the lens placement and experimented with different lenses to enhance the instrument's performance. Through his modifications, Galileo significantly enhanced the functionality and effectiveness of the early microscope.

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12y ago

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Q: How did Galileo change the simple apparatus that Zacharias Janssen invented?
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Related questions

What did Zacharias Janssen do?

In 1590 Zacharias Janssen (Netherlands) invented the compound microscope.


What Hans and zacharias janssen discovered?

Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.


What did Zacharias Janssen invent?

Zacharias Janssen (Netherlands) invented the telescope and perhaps the compound micoscope in 1590.


Where were microscopes invented?

The microscope was invented in the Netherlands in the late 16th century by eyeglass makers Hans Janssen and his son Zacharias Janssen. They created the first compound microscope by experimenting with multiple lenses in a tube.


What year did Hans and Zacharias Janssen's contribution to the cell theory occur?

Hans and Zacharias Janssen invented the compound microscope in 1595.


Who invented the lens grinding machine?

Hans and Zacharias Janssen


What happened in 1590?

zacharias and Hans janssen invented the microscope


Who invented the form of microscope most similar to the ones used today?

The compound microscope, most similar to the ones used today, was developed in the late 16th century by Zacharias Janssen and his father Hans. They were spectacle makers from the Netherlands.


Was Zacharias Janssen Greek?

Zacharias Janssen was from the Netherlands


What are facts about the invention of the microscope?

it was invented by zacharias janssen in around 1595


What are the contributions of Hans and Zacharias Janssen?

Hans and Zacharias Janssen are credited with inventing the first compound microscope in the late 16th century. Their creation revolutionized the field of optics and laid the foundation for modern microscopy.


When did zacharias janssen die?

zacharias janssen died in 1638