Throw (projector)
Encyclopedia
In film terminology, throw is the distance of a movie projector
from the screen. It is the distance the image is thrown onto the screen, and it has a large effect on screen size.
Often in home theatre
individuals lack the correct throw distance in the room, but can buy a short throw lens, there are also "long throw" lenses available.
A related term, throw ratio, refers to the ratio of the distance to the screen (throw) to the screen width. A larger throw ratio corresponds to a more tightly focused optical system.
Throw Ratio = D / W
Movie projector
A movie projector is an opto-mechanical device for displaying moving pictures by projecting them on a projection screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.-Physiology:...
from the screen. It is the distance the image is thrown onto the screen, and it has a large effect on screen size.
Often in home theatre
Home cinema
Home cinema, also commonly called home theater, are home entertainment set-ups that seek to reproduce a movie theater experience and mood with the help of video and audio equipment in a private home....
individuals lack the correct throw distance in the room, but can buy a short throw lens, there are also "long throw" lenses available.
A related term, throw ratio, refers to the ratio of the distance to the screen (throw) to the screen width. A larger throw ratio corresponds to a more tightly focused optical system.
Throw Ratio = D / W