vladimir aleksandrovich golubev is the pride of our faculty, because he is a man of broad erudition, a man who is rich in his students, as i already said, his student named a minor planet after vladimir aleksandrovich, that is, he is a man who lights, so to speak, stars inside the guys who later go to study astronomy with him in circles, in olympiads, take part in competitions and projects. astronomical visual refractor, its objective is 5 inches, 13 cm, focal length is 2 m, you see the tube, about 2 me, so it has a focus at a distance of about 2 me. oh , electric, so the electric motor, it makes 10 you, the clock mechanism started working, here are revolutions per minute, and through this transmission it transmits movement to the telescope, and the telescope makes one revolution per day, that is, if, for example, it pointed at a star, pointed at the planets, went out, came in. 15 minutes, it is there, that is, she doesn't go away, doesn't go away, just like the sun here, you can't look at the sun, of course, look, i see a cross, here, here, here, here, here, here, which, yeah , yeah