Sometimes, these projectors are used to display the tiny and miniscule observation under the microscope on the big screen and for a huge audience. Thus, these types of optical instruments help in that way. Also, they are handy when you are explaining your current research to someone and if you want to tell the intricate details, you can do that using different kinds of its varieties. Always ensure you have a projector ready in your lab. Also, tag along with good quality ones because you would not want any disruptions while you are working.