![]() For the example above, it should look like this: 10ft (screen width) x 1.2 (first number in the throw ratio) = 12ftĪccording to this equation, if you place your projector 12ft away, the picture will perfectly fit the proportions of the screen with only minor adjustments to the lens’ zoom needed afterward. So, screen width x throw ratio = throw distance. Take the width of the screen and multiply it by the first number in the throw ratio. Aspect ratio is an attribute of image projection that describes the proportional relationship between the width and height of the image. ![]() How far away should the projector be positioned from the screen? Let’s do the math and find out! Figure out if your projector and screen will fit the intended space as well as lighting and seating considerations with our Projector Calculator Pro tool. Let’s say you’re setting up an XGIMI projector in your living room that has a throw ratio of 1.2:1, and you’re using a screen 10ft in width. The screen width is equal to the aspect ratio width ARw times the screen diagonal divided by the square root of the aspect ratio width ARw squared plus the. 16 / 9 1.78 (rounded) If you know your projector screens diagonal size: Projector. The throw ratio tells us what image size we can project from a certain distance away. Simply put, a 16:9 projection screen is 1.78 times as wide as it is high. Throw ratio is the relation between the throw distance (the distance between the projector's lens and the projected image) and the width of the projected image: Throw Ratio = Throw Distance / Image Width For any given projector, the width of the image (W) relative to the throw distance (D) is known as the throw ratio D/W. That generally means using a projection screen with an aspect ratio of between 2.35:1 and 2.40:1, which matches the widescreen aspect ratio used my the movie industry for movies presented CinemaScope (TM) (i.e., 1.35 1 for older films and 2.39:1 for newer films) or Panavision (TM) (i.e., 2.39:1) formats (sometimes referred to as ‘scope format. ![]() The below-detailed information will give you the right aspect ratio of the projector. The first step in optimal screen size calculation is. This distance determines where the projector will sit in your classroom relative to the projection screen. Two aspect ratios are 16:9 and 2.35:1, widely used for a projection screen. Unlike the screens width (W), its height remains the same regardless of the aspect ratio chosen.
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