Telescope calculator is a program to monitor and calculate the parameters of various types of telescopes. With the help of convenient settings: language selection, scale, type, fonts, focal length, lens diameter, etc. you can compare the function of telescopes from the list with the eyepiece and visualization.

• calculations of the magnitude
• zoom
• Use of multiple sizes of lunar craters
• the study of the planets, their moons and the solar system
• Astronomical map