Color filter fixed to the theater spotlight

A practical application reached us today: Color filter attached to a theater spotlight:

Color filter fixed to the theater spotlight

Hello,
At the theater, we sometimes have the problem that common color filters are made of polyester. Using them on large spotlights or lighting devices that emit a lot of heat causes the color to fade or the filters to char in the center, making them unusable. Therefore, the filters are attached with some space between them. This is often done with adhesive tape or wooden clothespins, neither of which is very attractive. We therefore use the neodymium pot magnet Ø 16.0 x 5.0 mm with countersink - 150°C to attach the color filters to the housing. This works great and is very quick.