The Rubylith Redmask Film is layered on a 3 mil. clear polyester base which is the heaviest you will find for keeping out light that will affect your night vision. The Rubylith film filters out light with a 5.0 opacity. A must at Star Parties. Great for laptop displays, interior & exterior lights, flashlights, etc...Cut it, shape it anyway you like!
Rubylith sheets come 4 sheets 12" X 12" or 3 sheets 12" x 18" (great for wide screen laptops).
Located in Saint Augustine, FL 32095
By faith we understand that the universe was created by God's command, so that what is seen has been made from things that are not visible
Copyright (R) 2019 SmartAstronomy, All rights reserved.