![]() ![]() The manual one, involves parts physically moving, so that the lens move ☓0 and ±50 for some projectors.Ī scroll wheel on the front of the projector moves the lens which users scroll accordingly, to fit the image projector on the screen.ĭigital keystone correction, involves digitally altering the image using methods of compression andĪ ship adds water to the opposite side to balance the load and avoid leaning to one side.ĭigital keystone correction happens automatically and requires no effort on the users. Keystone has two types, manual keystone correction and digital keystone correction. The keystone effect happens when the projector not placed perpendicular to the screen, resulting in a trapezoid kind of image or misalignment of the image. Obviously, this cannot be done, as it is why, this article is being read in the first place. This set up, is only possible if the set up is on a table in front of the screen with the audience behind the set up. It is best having it placed in the right position, without having to alter the projection.Īs said from above that, it is not ways possible and so another method will be needed, since the audiences and objects, will be blocking the whole set up. Simple yet hard to do, to adjust a projector simply move the projector forward, backward and side-ways so that it squares off properly. There are three ways to do go about with this, below are some ways to do that. Adjusting projector to fit screen using lens shifting. ![]()
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