I believe the correct answer is: material that the lens is
made from.
Lenses are engineered to have
specific focal lengths, besides the curvature of the two sides of a lens. The
focal range, the distance between your optic nerve and the retins in lens, of
the lenses is determined by the material that lenses are made from.
Oceanic art is work/art made by the Native people of the Pacific island and Australia it compromises the work of the two groups who settled in the area. These things had an influence on European art..
Blocking<span> is the precise staging of the </span>actors<span> in order to facilitate the </span>performance.