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Jan 1, 1000
first vision aid
This was called a reading stone and is a glass sphere that magnifiesd when laid on on top of reading material. -
Jan 1, 1284
eye glasses
Salvino D'Armate is credited for creating the first wearing glasses -
dutch eye glass maker
Zaccharias Janssen and his son Hans Janssen experimented with multiple lenses placed in a tube. The Janssens observed that viewed objects in front of the tube appeared greatly enlarged, creating both the forerunner of the compound microscope and the telescope. -
microscpe lens
Robert Hooke looked at a sliver of cork through a microscope lens and seen some pores or cells in it. -
simple microscope
simple microscope was a good thing to people because it helped see small things that you would not be able to see when you stand a distan away it shows you more details -
18th century
Technical support to stop certain amount of light to come in and to improve mycroscopic and to reduce the cromatic and also better lenses -
chromatic effect
shows that his lens are weak and that they have to use diffrent lenses to make them weaker -
Ernst Abbe,
wrotee a matheical formula called the Abbe's since condition A formula that calculate the microscopes -
ultramicroscope
studys object of the wavelenghth of light -
electron microscope
This object shows all the electrons in the elements rather in the light. -
phase-contrast microscope
This object allows diffrent colors to get in the lens and also allows people to view diffrent things in the camera -
scanning tunneling microscope
This object gives a three dimensional images of objects down to the atomic level
