e/Scioptric ball

Information
has gloss	eng: The scioptic ball is a universal joint allowing an optical instrument mounted on a ball to be swiveled to point anywhere in a wide arc. It was inspired by studies of the human eye. It has a number of applications. The scioptic ball may provide a firm anchor for a microscope, camera or telescope allowing it to be swiveled in all directions, for example to follow the course of an eclipse or for drawing panoramic views. Scioptric balls have been used as camera obscuras, projecting images from the outside on walls in darkened rooms. Scioptric balls have been used simply as light sources. It was an early example of a type of wide-angle lens.
lexicalization	eng: Scioptric ball
instance of	(noun) magnifier of the image of small objects; "the invention of the microscope led to the discovery of the cell" microscope