A total lunar eclipse can be observed with the naked eye completely safely without the need for any optical aid. Unlike total solar eclipses, lunar eclipses last hours and are a very gradual affair. read more
No, lunar eclipses are perfectly safe to watch with the unaided eye, or for that matter, with binoculars, or even a telescope, but there’s no advantage over binoculars in my experience. read more
A Solar eclipse occurs when the moon goes between the sun and the Earth, very dangerous to watch with the naked eye. A Lunar eclipse occurs when the Earth passes between the Sun and the moon. It is safe to watch and causes the moon not to turn red that is called a harvest moon, but the moon will totally disappear in a full lunar eclipse, but it is safe to watch. read more
Looking at the sun can damage the eyes. A lunar eclipse is not dangerous - you can look at the full moon as much as you want (a lunar eclipse is simply the full moon entering Earth's shadow). read more