Name: Galileo's telescope
Inventor and maker: Galileo Galilei
Place: Italian
Data: Late 1609 - early 1610
Materiali: Wood, leather

Dimensions

Total length: 980 mm
Length of the tube: 835 mm
Eyepiece
diameter: 22 mm; aperture: 15 mm; thickness at the center: 1,8 mm; focal length: -47.5 mm

Objective lens
diameter: 37 mm; aperture: 15 mm; thickness at the center: 2 mm; focal length: 980 mm