In this video tutorial you will learn how to make a pair of high tech
night vision sunglasses. You will first need a pair of 100% clear
sunglasses with nothing but UV protection. Then two sheets of
theatrical photo gels, one congo blue and one primary red. Using the
gasses as a template, outline the lens shape and gently cut out one
pair of each gel. Secure the red gels first using glue, and then apply
the blue gels over the red ones. Now you're going to need 8 high
intensity infrared LEDs. Solder two pairs of three LEDs each in a
series. Glue the LEDs on both sides of the frame. Cut the wire around
5cm from the LEDs and secure with electrical tape. Using one 3-volt
button cell battery on each side, complete the circuit leaving the plus
wire on both sides not connected to the battery. You can later just
slip it under the electrical tape to start the LEDs. Now, you can see
in the dark, without others seeing you see them. As the gel allows you
to view the infrared light generated by the LEDs invisible to others.
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