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Fixing Projection Borders

October 11, 2012 | Posted in How-to


When you’re projecting one of our effects in Spotlight mode, Strobe mode, or any other mode that requires the edges to fade to black, you may find it difficult to get rid of the faint rectangular border created by the boundaries of the projection. As strange as it may sound, this border shows up because most projectors can’t actually project the color black as pure black.

To help you get around this issue, I’ll show you how to fix it with a simple, easy-to-make “matte box”. Read on to see how it’s done!

When you’re projecting one of our effects in Spotlight mode, Strobe mode, or any other mode that requires the edges to fade to black, you may find it difficult to get rid of the faint rectangular border created by the boundaries of the projection. As strange as it may sound, this border shows up because most projectors can’t actually project the color black as pure black.

To help you get around this issue, I’ll show you how to fix it with a simple, easy-to-make “matte box”.

Our simple matte box is simply a piece of aluminum foil that’s placed in front of your projector’s lens. By cutting your desired shape into it (we generally recommend a circle or an oval), you’ll be able to get rid of that annoying border.

Here’s how you do it:

Step One: Fold your piece of aluminum foil in half

Step Two: Cut a small half circle into the foil

 

 

When unfolded, you’ll have a full circle. The size of the hole you’ll want to cut depends on the lens of your particular projector, so it will probably require some guessing and testing. We’ve found that in most cases, the hole should be about the size of a dime.

Step Three: Place the piece of foil over your projector’s lens

You want the hole to mask the edges of the projection.

Step Four: Tape the foil to the projector

So the foil doesn’t fall off, tape it down.

Voila! No more unwanted rectangular border.

To get your results just right, you may need to experiment with a few pieces of foil, but the end result will be well worth it!

 

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