I just need large plates to cover the lights I plan to filter. That's the only reason. I'd love a source for good light filters for sizes ranging from 2ft by 2ft to 4ft by 4 ft
Hey guys, Mech engineer here looking for some basic optical advice. I'm going to be measuring several brands of lights output to certain wavelengths (red and blue) and i plan on purchasing, having made, how ever i need to go about it, a couple filers for the lights so i can test their output in...