Answer
Zaccharias Janssen and his father Hans started experimenting with lenses in about 1590. They put several lenses in a tube and discovered that the object near the end of the tube tends to be enlarged and even larger than the result of any magnifying glass. With their discovery, they invented the compound microscope, which uses two or more lenses.
Work Step by Step
Zaccharias Janssen and his father Hans started experimenting with lenses in about 1590. They put several lenses in a tube and discovered that the object near the end of the tube tends to be enlarged and even larger than the result of any magnifying glass. With their discovery, they invented the compound microscope, which uses two or more lenses.
