Find your screen size and throw distance with the projection calculator classic by following these 2 easy steps.
Ceiling mounted projector distance from screen.
Or try the projection calculator pro and get recommended screen sizes throw distances room lighting screen brightness seating and projector placement based on your application.
These projectors are ideal for rear screen applications where the area behind the screen is limited or for a wall mounted application where the projector will be mounted within 1 or 2 feet from the screen.
It could be mounted on the ceiling wall or on a stand or table.
A short throw projector is a projector with a lens that has a throw ratio of 0 4 distance width or less.
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The lens of a projector is designed to project the image above the level of projector itself.
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A few common throw distances are.
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Now for our purpose we need to calculate the distance from the projector s lens to the screen.
Let s take a random number and say the screen is 6 feet wide.
Mount projector to ceiling.
In this article i am using an omnimount pjt40 projector mount.
Placement of the projector.
For the former it s easy enough.
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All we need is the width of the screen and the projector s throw ratio.
At this point you should know exactly where the projector lens needs to be.
A projector s throw distance is the distance between the projector and the image on the screen i e the distance that the image is thrown.
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But how do we find out what the ratio of our projector is.
There are a wide variety of mounts on the market and they all work similarly.