Answer:
Option: 16th century.
Step-by-step explanation:
Zacharias Janssen was a famous Dutch inventor and spectacle-make. He is the first investigator to invent the microscope and the telescope in 1590. According to scholars, Janssen's father, Hans Martens, must have played a vital role in the creation of the instrument. Both father and son worked together as spectacle makers in Middleburg, Holland.