The projection distance starts from your room size and where the projector will be placed also its distance to the screen or which wall to project the image.
To select the ideal projector for your home, you will need to measure the length and width of the room and use the maximum distance the projector can be placed from the screen to filter for the specific projector model that will meet your ideal screen size from that distance. If the space has an irregular shape, such as an L shape or a polygon, first confirm furniture placement, then measure the distance between the two walls as the reference for purchasing a projector. Keep in mind the best setup position is where two walls are furthest apart in the space.
There are many choices in terms of machine size and projector lens design. Among all existing projectors, a throw ratio around 1.13:1 is the most common design that has the lens in the front of the projector. These designs can require distances as short as 8.2ft to project a 100-inch screen, which is the most common throw distance setup in limited space or small apartments.
Besides, some projectors with the short-throw lens can save more space from the projector to the wall, offering a shorter projection distance for the same 100-inches screen (100"@6.6ft). There are also models with the lens placed inside the projector body to project images upward onto a screen above and behind the projector body, and these ultra-short throw models only require a distance of less than 3.3ft to project a 100-inch screen. So it’s easy to enjoy large screens even if the room is smaller than 6.5ft2.
For spaces where the projectors cannot be aligned to the center of the screen, simply select a model equipped with vertical/horizontal keystone correction or lens shift to experience the immersive thrill of a huge screen that’s only available at theatres.
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