To create the effect, you need a white material the the light can pass through-like lightweight white shower curtain liners, cheap white plastic table cloths (thin PVC plastic, not the heavier opaque vinyl kind), or a white sheet ironed well and stretch over the window.
#PROJECT HALLOWEEN WINDOW WINDOWS#
Several of the AtmosfearFX loops rely on using a semi-opaque white surface in your windows to create a shadow puppet-like illusion with rear projection. There are a variety of loops well suited for this task, and depending on what material and lighting scheme you use you can create all sorts of effects. Our second favorite technique, after the novelty of the animated pumpkins, is definitely using rear projection on windows and doorways. If you want to hide the projector down in your bushes and project a spooky loop of ghosts dancing onto a sheer sheet hung in your front yard, for example, you’ll need to use the keystone adjustment to compensate for the angle between the projector lens and the sheet.
Keystone adjustment allows you to mechanically (ideal) or digitally (serviceable, but less ideal) adjust the projected image to compensate for the projector not sitting at a perfectly level 90 degree angle in front of the projection material. You want 2,000+ lumens of illumination (2,500+ is even better), you want the ability to scale your image up to a pretty substantial size (at least 300″ if you want to create a spooky display that can be seen at a distance), and you want to be able to easily adjust the keystone/angle of the image, because you’re definitely not going to be projecting under ideal ceiling-mounted-to-flat-wall conditions in most Halloween setup scenarios. In fact, we can apply the basic ideas behind selecting a backyard projector used for summertime movies to selecting a projector for Halloween decorations.
#PROJECT HALLOWEEN WINDOW HOW TO#
RELATED: How to Throw the Ultimate Backyard Movie Night Realistically, however, the noise of the event (party goers, trick or treaters, etc.) will typically cancel out any fan noise. Some of the factors that are important for a home cinema (like quiet fans) aren’t particularly important for Halloween unless you intend to use the projector in a very quiet room as part of a haunted house effect or whatnot. When selecting a projector for a Halloween project, your primary consideration should be brightness and adjustability.
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