Who is often credited with the first patent application for the basic optical telescope concept?

Answer

Hans Lippershey

Hans Lippershey, an eyeglass maker from Middelburg, is often credited with the first patent application for the device whose underlying principle was already known in the Netherlands around 1608.

Who is often credited with the first patent application for the basic optical telescope concept?
nameGalileo Galileiastronomytelescopeinstrument